IN THE SUPREME COURT OF BRITISH COLUMBIA  
Citation:  
Ding v. Prévost, A Division of Volvo Group  
Canada Inc.,  
2022 BCSC 215  
Date: 20220210  
Docket: M166513  
Registry: Vancouver  
Between:  
And  
Jie Ding  
Plaintiff  
Brian Spittal, Western Bus Lines Ltd., Canam Super Vacation Inc. d.b.a. Super  
Vacation, Prévost, A Division of Volvo Group Canada Inc., Mark Yu, Universal  
Coach Line Ltd., Laurels Tak Lau and Paul Tao Way Chan  
Defendants  
- and -  
Docket: M166164  
Registry: Vancouver  
Between:  
Hua Li Pan  
Plaintiff  
And  
Brian Spittal, Western Bus Lines Ltd., Canam Super Vacation Inc. d.b.a. Super  
Vacation, Prevost, A Division of Volvo Group Canada Inc., Laurels Lau, Paul  
Tao Way Chan, Universal Coach Line Ltd. And Tat Chi Yu a.k.a. Mark Ewan and  
Mark Yu  
Defendants  
Corrected Judgment: The text of the judgment was corrected at paragraphs 23, 37,  
42, 45, 87, 88, 165, 213(a), 214 and 374 on February 28, 2022.  
Before: The Honourable Justice E.M. Myers  
Reasons for Judgment  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 2  
Counsel for the Plaintiff, Jie Ding:  
Michael Slater, Q.C.  
James Buckley  
Vivian Cheung  
Counsel for the Plaintiff, Hua Li Pan:  
Sean Pihl, Q.C.  
Whitney Derber  
Robert Marcoux  
Counsel for the Defendant, Prévost, A  
Division of Volvo Group Canada Inc.:  
Guy Brown, Q.C.  
Nigel Trevethan  
Siobhan Sams  
Counsel for the Defendants, Brian Spittal  
and Western Bus Lines Ltd.:  
Danine Griffin  
Elizabeth Clarke  
Counsel for the Defendant, Universal Coach  
Line Ltd.  
Harley Harris  
Tom Dusevic  
Kinda Garcha  
Heather Maconachie  
Brian Cheng  
Laura Buitendyk  
Counsel for the Defendants, Canam Super  
Vacation Inc., d.b.a. Super Vacation,  
Laurels Tak Lau a.k.a. Laurels Lau and Paul  
Tao Way Chan:  
Todd Davies  
Justin McGregor  
Counsel for the Defendant, Mark Yu a.k.a.  
Tat Chi Yu, Mark Ewan and Mark You:  
Stephen Berezowskyj  
Daniel Babcock  
Place and Date of Trial:  
Vancouver, B.C.  
March 22-26, 29-31,  
April 1, 6-9, 12-16, 19-20, 22-23,  
26, 28-30,  
May 3-7, 10-14, 17-21, 25-28, 31,  
June 1-4, 7-11, 14-18, 21-25,  
November 22-26, 29-30,  
December 1-3, 2021  
Place and Date of Judgment:  
Vancouver, B.C.  
February 10, 2022  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 3  
Table of Contents  
Paragraph  
I. INTRODUCTION  
[1]  
II. LIABILITY OF PRÉVOST  
A. Background Facts  
[22]  
[24]  
[24]  
[31]  
[34]  
[49]  
1. Regulation of motor vehicle safety standards  
2. Prévost and the motor coach industry  
3. The H3-45 Bus Model  
B. Was Prévost negligent in manufacturing the H3-45 coach  
without seatbelts in 1998?  
1. Industry and government consideration of seatbelts in  
motor coaches  
[54]  
2. Why Prevost did not install seatbelts until 2009 and the  
decision to change to seatbelts  
[114]  
3. Plaintiffs’ expert evidence regarding seatbelts  
a) Gregory Sypher  
[132]  
[134]  
[146]  
[155]  
[161]  
[169]  
[179]  
[182]  
[188]  
[188]  
[192]  
[199]  
[205]  
[229]  
b) William Vigilante  
c) Andrew Rentschler  
d) Gary Whitman  
e) James Hall  
f) Amrit Toor  
g) Gregory Cole  
4. Prévost’s experts dealing with seatbelts  
a) Gray Beauchamp  
b) Darrin Richards  
c) William Gardner  
5. Analysis: seat belt issue  
C. Was Prévost negligent in not recalling the coach when the  
retrofit was available?  
D. Was Prévost negligent in using tempered glass instead of  
laminate glass in the passenger windows?  
[247]  
1. Background facts  
2. The plaintiffs’ expert witnesses  
a) Gregory Sypher  
b) Dr. Toor  
[247]  
[247]  
[247]  
[251]  
[254]  
[259]  
[264]  
c) Dr. Rentschler  
d) Mr. Whitman  
e) Donald Phillips  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 4  
3. Prévost’s experts  
a) Jack Ridenour  
[278]  
[278]  
[296]  
[300]  
[304]  
b) Mr. Richards  
4. Analysis: glass issue  
III. LIABILITY OF UNIVERSAL AND CANAM FOR  
NEGLIGENT SUB-CONTRACTING  
A. Lack of seatbelts  
[307]  
[311]  
B. Failure of Universal and CanAm to investigate training and  
safety planning at Western  
1. Did Universal’s duty of care to the plaintiffs require it to  
investigate Western’s training and safety procedures?  
[314]  
2. Was the accident caused by fatigue?  
a) Mr. Spittal  
[332]  
[333]  
[340]  
[346]  
[362]  
[375]  
b) The tour before the accident  
c) The accident  
d) Analysis: cause of the accident  
3. Assuming the accident was caused by fatigue, would a  
training programme at Western or a fuller inquiry by  
Universal of Western have avoided the accident?  
IV. FAILURE TO WARN  
V. LIABILITY OF MR. YU  
VI. CONCLUSION  
[385]  
[405]  
[406]  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 5  
I.  
INTRODUCTION  
This action involves the crash of a tour bus on the Coquihalla Highway on  
[1]  
August 28, 2014. Fifty-five passengers were on board. The driver and the company  
operating the bus have admitted liability. This trial concerns the liability of other  
defendants: the bus manufacturer, the tour operator, another bus company who sub-  
contracted the bus charter, and the tour guide.  
[2]  
The bus was travelling south, returning to Vancouver from a four-day Rocky  
Mountain tour. South of Merritt, it rolled onto its left side, slid across the road and  
was forced back into the upright position after the left wheels furrowed into the  
ground on the opposite side of the road. No other vehicle was involved. The road  
was clear and the sky was bright. I describe the accident more fully below at para.  
346.  
[3]  
The bus was not equipped with seatbelts and some passengers were ejected  
through the side windows. Fortunately, no one was killed, but all occupants say they  
were injured to varying extents.  
[4]  
Each passenger commenced their own action. Separate trials of 55 actions  
would have been unmanageable and duplicative. Similarly, a trial of all 55 claims at  
the same time would have been equally unmanageable. Therefore, during the case  
management process it was agreedand I orderedthat two claims proceed to trial  
to act as “bellwether” cases. Ms. Ding and Ms. Pan’s cases were selected, one  
being representative of passengers who had been ejected from the bus (Ms. Ding)  
and the other (Ms. Pan) being representative of passengers who remained in the  
bus. Only liability is to be determined.  
[5]  
I will briefly describe the roles of the defendants and the basis of the claims  
made against them.  
[6]  
Western Bus Lines Ltd. owned the bus. Mr. Spittal was the driver and an  
employee of Western.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 6  
[7]  
Canam Super Vacation Inc. organised the tour. The passengers either  
booked the tour directly with Canam or indirectly through a travel agent.  
[8]  
Laurels Lau and Paul Chan are the directors of CanAm. The plaintiffs  
discontinued the claim against them during the final argument.  
[9]  
Mark Yu was the tour guide and worked for Canam.1  
[10] CanAm contracted with Universal Coach Line Ltd. for the provision of a bus  
and driver for the tour. However, Universal did not have an available bus so it sub-  
contracted the job to Western. The industry term for that is a “farm-out”.  
[11] The basis of the claim against Mr. Spittal is negligent operation of the bus. In  
particular, it is alleged that he fell asleep. He has admitted liability on the basis that  
the accident was caused by a momentary lapse in attention. He denies that he fell  
asleep. Western also admits liability on the basis that it was vicariously responsible  
for the negligence of Mr. Spittal. It does so on the basis that the accident was  
caused by inattention and not by fatigue. The fatigue allegation is important to the  
plaintiffs because it is the “hook” to establish liability of the defendants other than  
Western and Prévost.  
[12]  
With respect to Universal and Canam, the plaintiffs say they were negligent  
because they did not exercise proper care in selecting Western. This is so, they say,  
because the bus did not have seatbelts and also because Western had no training  
programme in place which would allow driver fatigue to be identified. Initially, the  
plaintiffs also claimed that Universal and CanAm were responsible for the  
negligence of Western on the basis of vicarious liability, agency, and non-delegable  
duty. However, that aspect of the claim was dropped during argument.  
1 During the course of the final argument, the plaintiffs and Mr. Yu entered into a BC Ferries type settlement agreement and CanAm accepted liability for  
any negligence of Mr. Yu. A BC Ferries agreement gives one or more defendants an opportunity to settle a multi-party proceeding on the plaintiff’s  
agreement to forego recovery of any portion of the loss ultimately attributable to the settling parties from the non-settling defendants: British Columbia Ferry  
Corp. v. T & N, (1995), 16 B.C.L.R. (3d) 115 (C.A.). Because of the BC Ferries order, I must still determine the liability of Mr. Yu and his apportionment of  
responsibility, if any.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 7  
[13] The plaintiffs allege that Mr. Yu was negligent because he should have  
recognised signs of fatigue in Mr. Spittal.  
[14]  
This brings me to Prévost. The bus was manufactured in 1998 by Prévost  
Car Inc. in Québec. In 1995, Volvo Group Canada Inc. purchased Prévost and later  
turned it into a division. The plaintiffs claim that the bus was negligently designed  
because it did not have seatbelts and used tempered glass for the passenger  
windows instead of laminated glass. The plaintiffs do not claim that the accident was  
caused by a defect in the bus, whether one of manufacture or design; rather, the  
plaintiffs’ case is that their injuries were made worse by the lack of seatbelts and the  
use of tempered glass.  
[15] The liability of Prévost does not depend on a determination as to what caused  
the accident. That is not the case for Universal, CanAm, or Mr. Yu; the case against  
them depends on the accident having been caused by fatigue. However, the issue of  
whether the bus should have had seatbelts is common to both the claims against  
Prévost and the other defendants. I will therefore deal with the claim against Prévost  
first.  
[16] I will then deal with the liability of the other defendants, considering the  
seatbelt and fatigue issues separately. That said, because this is a long judgment  
with overlapping issues, there will be some repetition for the sake of clarity.  
[17] Because it may be counter-intuitive, I mention at the outset that the  
advisability of seatbelts in motor coaches was not a simple issue. It was not a matter  
of “seatbelts good; no seatbelts bad”. The technology for seatbelts in cars is not  
directly transposable to coaches. Coaches perform differently from cars and have  
different safety considerations. There was a concern as to whether coach  
passengers would use seatbelts; if they did not, they could be more severely injured  
by the hardened seats that seatbelt installations would require.  
[18] The advisability of seatbelts in motor coaches was one of ongoing  
investigation within the industry and the regulators in Canada and the United States.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 8  
In this regard, this case is unique: counsel have found no other product liability case  
where there has been this level of interplay between the industry and the regulators  
with respect to developing safety standards.  
[19] A requirement for seatbelts for newly manufactured motor coaches did not  
come into force in Canada until September 2020.  
[20] Ms. Pan and Ms. Ding were represented by separate counsel. Ms. Ding’s  
counsel primarily argued the case against Prévost, while Ms. Pan’s counsel primarily  
argued the case against the other defendants. However, they adopted each other’s  
arguments, and I will largely refer to the plaintiffs collectively.  
[21] Finally, three points of terminology:  
The type of accident here is known as a rollover accident. To be more  
precise, it was a one-quarter rollover.  
Three-point belts, three-point restraints, and lap-shoulder belts are  
synonymous.  
The terms inter-city coach and motor coach areat least in this judgment—  
synonymous. Although there is no standard definition of a motor coach, they  
are larger buses suitable for long trips on the highway. A report prepared for  
the B.C. Ministry of Transport on motor coach safety in 2016 defined a motor  
coach for the purposes of the study as including larger buses commonly  
identified as Over-The-Road-Buses with an elevated seating area over the  
luggage storage which typically seat over 30 passengers.Coaches are not  
mini-buses, nor are they city transit buses. The bus involved in this case is  
shown in the photo below.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 9  
II.  
LIABILITY OF PRÉVOST  
[22] As I stated in the introduction, the allegation against Prévost is that it was  
negligent in not installing seatbelts and in using tempered glass instead of laminated  
glass for the passenger windows. The claim is for negligent design and not for a  
manufacturing defect.  
[23] The regulatory and industry context was a major factor in the evidence and  
arguments, especially for the seatbelt issue. To put the matter in some perspective,  
Canada did not require seatbelts in newly manufactured buses until September 1  
2020 (having promulgated the regulation in 2018). The United States made seatbelts  
for motor coaches mandatory effective 2016, with no retro-fit requirement. When  
Prévost manufactured the bus 1998, no other jurisdiction required seatbelts except  
for Australia. The European Community had passed legislation requiring seatbelts,  
but only to take effect in 1999.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
A. Background Facts  
1. Regulation of motor vehicle safety standards  
Page 10  
[24] The motor transport industry is a heavily regulated one. I will describe here  
the regulatory environment concerning the safety of vehicles. Later (at para. 315), I  
deal with the regulation of the operation of coaches.  
[25] Motor vehicle safety and design requirements are regulated under the Motor  
Vehicle Safety Act, S.C. 1993, c. 16 and the Motor Vehicle Safety Regulations,  
C.R.C., c. 1038, referred to in the industry as the Canada Motor Vehicle Safety  
Standards. They set out the standards against which a vehicle manufacturer is  
required to test its product. The Act and Regulations are administered by Transport  
Canada.  
[26] Canada is responsible for the safe movement of interprovincial buses, but it  
has largely delegated this to the provinces in view of their enforcement and licensing  
responsibilities. For example, the Act and Regulations govern the requirements for  
the installation of seatbelts in a vehicle. Responsibility for legislating and enforcing a  
requirement that seat belts be worn falls to the provinces and territories. Section  
220(4) of the Motor Vehicle Act, R.S.B.C. 1996, c. 318 requires a passenger in a  
vehicle to wear a belt if the vehicle has them.  
[27] Serious motor coach crashes are documented by Transport Canada  
investigators.  
[28] In its 1998 report Review of Bus Safety Issues Abstract & Index, Transport  
Canada summarized its approach to bus safety:  
(a)  
Transport Canada develops and enforces Canada Motor Vehicle  
Safety Standards for new buses under the Motor Vehicle Safety Act;  
(b) through the Canadian Council of Motor Transport Administrators,  
Transport Canada supports development and enforcement of the national  
safety code for motor carriers;  
(c)  
Transport Canada reports on motor carrier safety under the federal  
Motor Vehicle Transport Act;  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 11  
(d) Transport Canada defect investigators identify safety defects and take  
steps with manufacturers to correct defects through the Motor Vehicle Safety  
Act notice of defect provisions; and  
(e)  
bus operator associations participate in regular national public safety  
organisations consultation meetings with Transport Canada.  
[29] As will be seen, there is frequent consultation and communication between  
the United States authorities and industry players. There are two U.S. entities of  
import here. The National Transportation Safety Board (NTSB) was established in  
1967 as an independent US federal agency dedicated to promoting aviation,  
railroad, highway, marine, pipeline, and hazardous materials safety. It is mandated  
to investigate transportation accidents, study transportation safety issues, and  
evaluate the safety effectiveness of government agencies involved in transportation  
accidents. Amongst other things, the NTSB investigates significant highway  
accidents and advocates safety improvements. It issues accident reports, special  
investigation reports, and safety recommendations.  
[30] The NTSB does not have power to mandate standards or regulations. That is  
done by the National Highway Transportation Agency (NHTSA), an agency within  
the US Department of Transportation. It develops and implements safety  
performance standards and regulations for motor vehicles. The performance criteria  
for motor vehicles and motor vehicle components are compiled into the Federal  
Motor Vehicle Safety Standards (FMVSS). Vehicle and component manufacturers  
must certify that all new vehicles and covered components comply with the minimum  
provisions of the FMVSS at the date of manufacture. The 1998 Transport Canada  
report alluded to that and the consultation between the regulators and the industry:  
Transport Canada is one among many players involved in the question of bus  
safety. Any action towards a change in safety regulation policy begins with  
consultation at least with governments: provincial/territorial, the U.S. NHTSA  
and FHWA; and with industry: bus manufacturers, bus operators and tour  
operators (purchasers of bus charters). The cooperation of all those interests,  
as well as the public, is necessary for successful safety regulation.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
2. Prévost and the motor coach industry  
Page 12  
[31] Prévost was founded in 1924 and is based in a Sainte-Claire, Québec, a town  
of approximately 3,300 people. It manufactures approximately 400 coaches per year  
and employs 1,400 people.  
[32] Prévost’s principal competitor is Motor Coach Industries (MCI), which is also  
based in Québec. The two manufacturers dominate the motor coach industry in  
North America. MCI is the larger company. For a point in time, it was owned by  
Greyhound. Other players are Van Hool and Setra. The latter is owned by Daimler.  
Mr. Bolduc, the former president of Prévost, described Van Hool and Prévost as  
competing for the number two position (after MCI) in North America. In 1982, he  
estimated that Prévost had ten percent of the North American market. In 2015 it  
reached and peaked at thirty percent market share.  
[33] In 1995, Volvo Group purchased one hundred percent of Prévost Car Inc. and  
in the same year sold 49% to a British company, Henlys PLC. In 2004, Volvo re-  
acquired the Prévost shares from Henlys. Prévost is now a division of Volvo Group  
Canada Inc., which is part of the international Volvo Group.  
3.  
The H3-45 Bus Model  
[34] The bus was a model H3-45. The design for the model began in 1992 and the  
model was introduced in 1993 as a model year 1994 product. Design changes were  
introduced between 1995 and 1998, primarily with respect to the driver’s  
environment and side windows. As I detail below, the side windows were changed  
from laminate glass in framed windows to frameless tempered glass.  
[35] When the bus was initially designed, Volvo did not own Prévost.  
[36] The specific bus involved in the accident was manufactured in April 1998. It  
was configured with 56 passenger seats. The driver’s seat had a lap belt; the  
passenger seats had none.  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 13  
[37] The bus was a monocoque design also known as “unibody” or “integral”, as  
opposed to a body-on-chassis design. At the risk of oversimplifying, the latter  
involves a ladder-type frame on top of which a bus body is attached. One of the  
main differences between the two is that the unibody design has crumple zones  
which are meant to absorb energy in a crash. As described by Mr. Bolduc:  
Well, a body-over-chassis behaviour would be a little bit like -- and I will talk  
about image to help. If you take a baseball bat and you drop it to the floor it  
will bounce back. So this means that the structure itself does not absorb a lot  
of energy. All the energy is transferred. On the other hand, a monocoque  
structure is built of a lot of small components. See it a little bit like if you  
would take any shape you want to create in a monocoque, and you would  
take a web, a spider web, and you wrap it around. So you're talking about a  
larger, more complex structure where all the components will be oriented in  
the direction of the forces you want to address.  
And when you have a collision or when there is an impact, those smaller  
components, compared to the larger beam, will start to bend and they will  
start to absorb the energy. So therefore, it will not bounce back all this energy  
either to the passengers or to the car in front or the other -- so it will absorb  
as it gets bended and gets deformed. So basically in terms of dynamics of  
accidents, this -- the monocoque structure is a more complex but more  
energy absorbing structure.  
[38] Mr. Bolduc said that in North America, the industry moved from chassis to  
unibody construction 30 to 50 years ago.  
[39] Passenger protection was provided by what was termed in the industry as  
“compartmentalisation”. The first element of this was the monocoque design which—  
as I have set outwas designed to absorb impact in a crash. Mr. Bolduc described  
the balance of the concept:  
[Y]ou see that as a bubble around the passenger, a little bit like you would  
have an egg in its crate. So in this area you will try to have smooth  
components. No tubing, no steel pipes. You will try to keep that person in its  
seat. So a coach with the compartmentalization strategy would have -- well,  
the seat in front will be high. So a high back in front of you that will collapse if  
you put pressure to it. It will absorb energy if you're moving there. You will  
have armrests on each side of you. So it keeps you in this area. You would  
have a foot step where you put your foot, but the minute that you put your  
foot there, you're better braced if something happened. The hat rack on top of  
your head will have carpet into it. So the idea is to have a soft shell around  
the person. So that was the approach of compartmentalization, keeping the  
people in this shell surrounded with smooth or energy absorbing material.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 14  
[40] The concept of compartmentalization and the belief in its effectiveness was  
not an invention of Prévost. Rather, as will be seen, it was the industry standard,  
known and approved by the Canadian and US regulators. All thought the safety  
record of the bus industry in terms of overall crashes and serious injury to  
passengers was exceedingly safe. That said, it was recognised that rollover  
accidentsas the one here waswere the most serious type of accident because it  
could lead to passenger ejection. However, rollover accidents were by far the  
minority of bus accidents and were considered rare events.  
[41] Prévost began to manufacture the H3-45 coach with seatbelts in 2009, initially  
as standard equipment but with an opt-out option. It was the first North-American  
coach manufacturer to introduce seatbelts.  
[42] The reason for the opt-out choice was because of customer reluctance to buy  
the bus with seatbelts, in part due to the extra cost. As described by Mr. Bolduc, the  
customers were stuck on their position. Their attitude as described by Mr. Bolduc  
was “It's not required by law and I'm not going to pay for it. I'll buy something else. If  
you're not able to supply me that coach, we'll buy from the competition.In 2011,  
Prévost removed the opt-out choice for the U.S. and removed it for Canada the  
following year.  
[43] A major impetus for the addition of seatbelts was a crash test done by  
NHTSA in December 2007, as I set out below.  
[44] In 2010, Prévost offered a retrofit programme for seats with belts. It was built  
to a 10g (the force of gravity or acceleration on a body) standard because that was  
the maximum that was possible for the retrofit. New buses were produced to the 20g  
standard.  
[45] The retrofit comprised seats with integrated seatbelts. The cost to a customer  
was $30,000 to $50,000 depending on the choice of seat options and fabric, plus  
$2,500 of hardware that was required. Prévost offered the retrofit at its cost because  
it recognised the heavy cost of retro-fitting a fleet of coaches. In addition to the  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 15  
hardware and installation cost, Prévost’s customers would lose revenue while the  
installation was done, which could take up to two weeks.  
[46] Prévost sent its customers an email attaching a brochure for the retrofit. An  
email was sent to Western, but none of its witnesses could remember receiving it.  
Western did not purchase any retrofit kits.  
[47] The fact that the Western witnesses did not recall receiving the retrofit  
brochure does not mean that they did not receive it. The same can be said for the  
fact that it was not in Western’s documents, which were not able to be produced in  
their entirety. The company was packed up and relocated two months prior to the  
accident. It then moved again in the summer of 2015, when the assets of the  
business were sold and the company shut down.  
[48] The email was sent to the correct email address, and I find as a fact that  
Western received it.  
B.  
Was Prévost negligent in manufacturing the H3-45 coach without  
seatbelts in 1998?  
[49] Prévost has admitted the following with respect to causation:  
Prévost concedes that if the court finds that (1) Prévost breached the  
applicable standard of care in failing to install seatbelts in the Bus for  
passengers, and (2) Ms. Ding and/or Ms. Pan would have been properly  
using a seatbelt at the time of the accident had one been available, such  
failure to install seatbelts caused or contributed to the injuries sustained by  
Ms. Ding and/or Ms. Pan.  
This does not go as far as admitting that the plaintiffs would have worn their  
seatbelts if the bus had them.  
[50] There is no dispute that Prévost owed coach users a duty of care not to  
negligently design an unreasonably dangerous bus. The real issue is whether that  
duty was breached.  
[51] At its most general level, the plaintiffs’ position is:  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 16  
Not having seatbelts was dangerous in rollover accidents because of the risk  
of passengers being ejected through the windows;  
Prévost knew of the risk from prior accidents;  
Seat belts could have feasibly been installed; and  
Prévost cannot rely on regulatory and industry compliance as a defence.  
[52] Again at its most general level, Prévost says that when the coach was  
designed and manufactured in 1998, the risk of ejection in a rollover was known, but  
that rollover incidents were exceedingly rare. It was not known until 2002 that they  
were responsible for a disproportionate number of deaths in motor coach crashes.  
Rollovers were, and remain, rare events, and crashes involving death or serious  
injury were rare. In 1998, government regulators were investigating whether  
seatbelts were the most effective way of enhancing safety, given that they could  
have a detrimental effect in other types of crashes. In 1998, the industry standard in  
North Americain collaboration with regulators in Canada and the United States—  
was not to have coaches with seatbelts. Prévost, it argues, therefore acted  
reasonably in manufacturing its coach without seatbelts.  
[53] I point out here that at the time the bus was designed, the regulators and  
industry knew of the existence of bus crashes, that some of those crashes were  
rollover events, and that passengers could be ejected from the bus in a rollover. I  
mention this at the outset because counsel for Ms. Ding approached the matter as if  
these were denied by Prévost, but they were not. Rather, what Prévost puts at issue  
here is the balancing of risks. This will become clearer as this judgment unfolds.  
1.  
Industry and government consideration of seatbelts in motor  
coaches  
[54] In this section I will lay out the history of the regulators’ and industry’s  
consideration of the installation and use of seatbelts in motor coaches. This is  
relevant because it shows both the regulatory environment and industry practice. It  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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also shows the state of knowledge of the industry players, including Prévost.  
Because the chronology is important, I have bolded the dates for ease of reference.  
[55] Both Prévost and Ms. Ding provided detailed chronologies of bus crashes,  
investigations, studies, and papers by North American and some foreign regulators.  
Ms. Ding’s was an interactive graphic and it contained entries for virtually every bus  
rollover and collision. I will not go to the same length here because it would make  
this judgment overly long and complicated. More importantly, it is not necessary to  
do more than set out the more significant events.  
[56] The history here was largely proved by reference to documents introduced  
pursuant to a document agreement acknowledging the authenticity of the documents  
but not the truth of their contents. Therefore, these documents show the state of  
knowledge of the industry but are not proof of the accuracy of that knowledge. That  
said, many the Canadian documents were elucidated by a former Transport Canada  
employee, Mr. Gardner, who had personal knowledge of them.  
[57] The earliest matter referred to by the parties was in 1968. This involved a one  
quarter roll-over near Baker, California, in which some passengers were partially  
ejected. The NTSB recommendation was:  
The NTSB recommends that the Federal Highway  
Administrator: Expedite the proceeding initiated under Part II of  
the Interstate Commerce Act, Docket Ex Parte No. MC-69,  
Dated May 27, 1966, "To Inquire Into the operations of motor  
carriers of passengers in order to determine whether it is  
necessary or desirable to adopt regulations and establish  
standard which would require carries to install, provide, and  
maintain seat belts for the use of passengers and drivers.” The  
experience in this case indicates definitely that restraint of  
drivers and occupants in their seats under rollover conditions is  
necessary to reduce initial injury, disorientation, and thus insure  
more likelihood of timely post-crash escape from the vehicle.  
This report and the Safety Board’s conclusion should be  
seriously considered by the Federal Highway Administrator in  
reaching his decision concerning a requirement that seat belts  
be available in buses. The Safety Board urges that a decision  
be made on this important matter which had been under  
consideration for more than 22 months at the time this accident  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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occurred, and more than 30 months prior to the date of this  
report.  
[58] However, in response, the FHWA stated that it did not support the NTSB’s  
position that belts should be required for bus occupants, but that it intended to  
require the installation and use of lap belts for drivers of buses in interstate  
commerce. The NTSB Recommendation was closed and superseded in 1985.  
[59] Between 1968 and 1973, a number of other recommendations were made by  
the NTSB, but NHTSA made no requirement for seatbelts in motor coaches.  
[60] After 1973, the NTSB ceased to issue recommendations favoring seat belts in  
coaches. The next discussion by the NTSB of seatbelts on coaches is contained in  
their report on motorcoach safety in 1999 (discussed further in para. 73).  
[61] In 1994, the installation of three-point seatbelts in new motor coaches  
became mandatory in Australia.  
[62] In June 1996, the EU enacted legislation regarding the installation of  
seatbelts in buses heavier than 11,023 lbs with more than eight seats. It applied to  
all new vehicle designs manufactured after October 1, 1997, and to all vehicles that  
went into service after October 1, 1999. It required lap/shoulder belts at all exposed  
seats. For seats behind energy absorbing seat-backs, it required either three-point  
or two-point belts. No retrofit was required.  
[63] In 1997, Transport Canada began an internal review of the most serious  
motor coach collisions in its files. The report was initiated by William Gardner, who  
was both a fact and expert witness at the trial. Mr. Gardiner was the head of  
Transport Canada’s Crashworthiness division for the 18 years prior to his retirement  
in 2006. Prior to that, he was the regulatory safety engineer responsible for bus  
safety at Transport Canada. He stated:  
The review concluded that many fatalities resulted from ejection from the bus,  
often during a rollover event. Although it was clear that most coach collisions  
did not produce serious injuries, a multi-phased study was initiated in 1998 to  
determine whether occupant safety in motor coaches could be improved.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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He said he thought this was the first analysis of its type in North America. He used  
both Canadian and U.S. data for the study.  
[64] Mr. Gardner described the difficulty in obtaining and analysing the data:  
The files that I had to review were not accessible in terms of digital data. The  
only way I could do it was to take hardcopy files of collisions that had been  
investigated and combine that with what data we had so that I could -- I could  
pinpoint what was referred to in the data and what was referred to in the files  
and connect the two so that I could read what had actually happened in that  
collision and therefore interpret myself what type of bus was involved and  
what were the injuries and so on that had occurred.  
[65] In 1998, the coach involved in the accident was manufactured.  
[66] In 1998, a study by the German company DEKRA Automobil AG was  
published: Pointers Toward the Improvement of Safety in Buses, Derived from an  
Analysis of 371 Accidents Involving Buses in Germany and From Crash Tests  
Results. The DEKRA report noted the safety of the motor coach industry but the  
enhanced dangers to bus occupants in rollover crashes. It examined the protective  
features of two-point and three-point restraints and noted:  
Given the current status of knowledge, two-point seat belts offer advantages  
over the three-point belt (shoulder/lap belt). The particular dynamics with side  
overturns and rollovers can lead to the torso of the belted passenger  
becoming free from the shoulder strap. This causes the entire belt to become  
loose and there is also the risk of the passenger becoming released by the  
belt around the hips.  
[67] In 1998, Transport Canada initiated a study to determine whether motor  
coach passenger safety could be improved. It was done in three phases. According  
to Mr. Gardner:  
The first phase of the study involved the preparation of a report consolidating  
the collision experience of the European Community, Australia and North  
America. The European community and Australia were selected since they  
had developed regulations concerning seat belts and therefore also regulated  
seat and belt anchorages.  
. . .  
The second phase of the project was funded jointly by Transport Canada and  
the National Highway Traffic Safety Administration in the U.S. It involved  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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conducting testing with current bus seats that utilize three point seat belts on  
an acceleration sled, and conducting quasi-static tests on these seats . . . .to  
establish the floor loading required for seat belt equipped seats.  
. . .  
The third phase of the study involved research to establish whether  
substantial improvements in occupant protection could be realised by the  
introduction of a passive safety compartment utilising improved glazing on  
motor coaches. The research involved computer simulation of coach rollover  
to establish the forces expected to be applied to the glazing by the bus  
occupant during rollovers of various severities.  
[68] In November 1998, Transport Canada published a report titled Review of Bus  
Safety Issues. The abstract stated, in part:  
The data show that travel by bus generally is very safe. Nonetheless, the  
review identifies a number of areas that may warrant further investigation and  
recommends that efforts continue to reduce all road collisions, and that  
consultations with provincial, industry and other stakeholders be undertaken  
as a first step toward any change in bus safety regulatory policy.  
[69] The report referred to accident statistics:  
In the ten years 1987 to 1996 there were 44 bus passengers killed and bus  
passengers injured in buses other than school buses or urban transit buses.  
For buses specifically identified as "intercity" there were 7 fatalities (average  
less than 1 per year) and 1403 injuries. One accident in 1997, however,  
claimed 43 lives.  
. . .  
Of the 4,665 injuries in Canada, the majority are minor. Less than 250  
involved admission to hospital. The relatively small numbers of identified  
serious injuries and fatalities limit statistical information on potential  
passenger impact protection measures.  
There are various possible solutions to passenger injury. Among them are:  
additional body structural integrity; window retention designed to resist  
ejection; school bus style seating compartmentalization; and seat padding. It  
is also possible that some of the injuries could be addressed by careful  
attention to fittings such as seatback tables, overhead luggage racks and  
video screen attachments.  
The latter paragraph is obviously a reference to compartmentalisation, without the  
use of the name.  
[70] The report went on to discuss seat belts:  
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Seat Belts  
Seatbelts would be of potential benefit in only a very few cases. They would  
need management by bus operators and reliable use by passengers to  
achieve effectiveness. The benefit is too uncertain to impose seat belts  
without a clear demand for a standard from the public and the motor carrier  
industry.  
. . .  
Two point seat belts help to prevent ejection or being thrown from a seating  
position and are relatively easy to install and use. Three point seat belts  
provide some performance enhancement but have their own disadvantages,  
including complexity and difficulties with use and comfort. In either case  
portions of the bus interior need to be redesigned to reflect passenger crash  
dynamics with specific kinds of seat belts.  
[Emphasis added.]  
[71] The report referred to the Australian and European seatbelt standards:  
Some major bus collisions have led to seatbelts being required on highway  
coaches in Australia and Europe. There is a new ECE seatbelt standard for  
buses with accompanying seat specifications. The presence of seatbelts on  
highway coaches in other countries raises the issue whether they should also  
be considered for North American intercity buses. There are no obvious or  
easy answers to improving bus safety. A number of areas of current interest  
are identified in the report and most are already being addressed. The  
general recommendations are to continue efforts to reduce overall road  
collisions and to consult extensively with provincial governments, industry  
and bus stakeholders as a first step towards any change in bus safety  
regulation policy.  
[Emphasis added.]  
[72] Mr. Gardner testified that the European and Australian standards were not  
adopted at this time because it was not known how they could be applied to the  
Canadian situation. He said that Transport Canada had a lot of work to do to get to  
that stage.  
[73] In September 1999, the NTSB published a report titled Highway Special  
Investigation Report: Bus Crashworthiness Issues. Its conclusions noted the risk of  
ejection and injury in rollovers and recommended testing of new occupant crash  
protection systems to standards developed by NHTSA based on actual crash testing  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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of motor coaches. The report had two recommendations concerning seatbelts in  
motor coaches:  
In 2 years, develop performance standards for motorcoach occupant  
protection systems that account for frontal impact collisions, side impact  
collisions, rear impact collisions, and rollovers. (H-99-45)  
Once pertinent standards have been developed for motorcoach occupant  
protection systems, require newly manufactured motorcoaches to have an  
occupant crash protection system that meets the newly developed  
performance standards and retains passengers, including those in child  
safety restraint systems, within the seating compartment throughout the  
accident sequence for all accident scenarios.  
[74] Mr. Gardner was a witness at the public hearing that led up to the report. He  
said he did not understand the first paragraph regarding the two year mandate to  
mean that seatbelts should be required as part of the occupant protection system.  
Rather, that was a question to be determined.  
[75] The report referred to the Australia and EU regulations (the latter detailed  
above, para. 62) pointing out shortfalls in their standards and research (or lack of it)  
leading up to the developments of those standards.  
[76] With respect to Europe, the report noted:  
The primary intent of this legislation was to reduce fatalities due to ejection.  
The EU conducted no dynamic crash testing of buses in support of its  
occupant restraint system design. Further, no dynamic crash testing of buses  
is required of manufacturers by the legislation. Although researchers stated  
that the crash pulse was thought to be supported by dynamic crash testing of  
motor coaches, no one was able to refer to actual crash tests. Sled testing  
was performed in support of this regulation at the Cranfield Impact Centre  
using the UNECE R80 crash pulse.2  
The report was critical of the EU allowing the use of two-point belts noting that it  
would cause greater injury than no belt at all.  
[77] With respect to Australia, the report noted:  
2 In a sled test, seats would be placed on a platform on wheels (the sled) which is propelled into a  
barrier: see para. 96 below.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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Like the EU, Australia conducted no dynamic crash testing of motor coaches  
in support of its regulation.  
And:  
The EU and Australian occupant crash protection regulations were based on  
sled testing. Actual dynamic testing of motor coaches was not conducted to  
determine the effectiveness of restraint systems as occupant protection  
systems.  
Occupant protection systems should be tested to performance standards  
before their implementation to ensure that they are beneficial and to guard  
against possible negative effects such as have occurred in the rear seats of  
automobiles in front collisions.  
[Emphasis added.]  
[78] In February 2001, Transport Canada issued its report Bus Safety  
Consultations Final Report. It was prepared in collaboration with provincial and  
territorial representatives. The objective of the consultation was to obtain input from  
stakeholders on bus safety issues, particularly with respect to the installation of seat  
belts in school buses and motor coaches.  
[79] In the introduction, after noting the very good history of school bus and motor  
coach safety, the report noted:  
Canada’s buses are not required to be equipped with seat belts. There are  
very few passenger injuries that would potentially be prevented by seat belts  
and there are potential hazards involved with the use of seat belts by bus  
passengers, especially children. The most successful safety solution for car  
occupants is not necessarily the best for bus passengers.  
[80] The report made reference to the view of stakeholders:  
The issue of seat belts was raised at each of the sessions because of its  
importance to Transport Canada. The reason for this is mainly due to the  
public perception that there should be seatbelts in motor coaches (based in  
part on the fact that most other vehicles require the use of a belt). The call for  
seatbelts is most acute after an accident, such as the one in Quebec at Les  
Éboulements.  
When raised during the sessions, however, the overwhelming majority of  
stakeholders did not feel the installation of seatbelts was an issue. The  
reason for this is twofold: the motor coach industry’s strong safety record and  
inconclusive evidence that seatbelts would prevent injury. Some participants  
did feel further research on three point belts would be useful and that  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 24  
passengers seated in non-compartmentalized areas should be fitted with seat  
belts. However, representatives of bus manufacturers argued the industry  
does a good job investigating crashes and the current lessons do not point to  
the need for seatbelts in motor coaches.  
[81] With respect to “suggested next steps” for seatbelts in motor coaches, the  
report stated:  
Conduct more research to determine the safety impact of seat belts, including  
three point belts. Response: Transport Canada keeps current on all relevant  
research initiatives, including that done recently in Australia and Europe, and  
does not feel further Canadian research is warranted at this time.  
[82] On April 30, 2002, Transport Canada and NHTSA held a joint public meeting  
on motorcoach safety improvements. This was a consultative hearing involving the  
regulators, the NTSB, owner-operators including their professional associations,  
manufacturers of coaches, and manufacturers of coach seats. No report was  
produced but a verbatim transcript was made. Mr. Gardiner was a representative of  
Transport Canada.  
[83] The purpose of the meeting was described by NHTSA’s Associate  
Administrator for Safety Standards when he opened the meeting:  
Our expectation is that we will get information and reactions to the different  
approaches we are considering for improving motorcoach occupant  
protection. We have no preconceived notions that we won't do this or we will  
do something else.  
What we will say is whatever we do is going to be based on solid data and a  
scientific analysis of the occupant protection situation. NHTSA and Transport  
Canada are not going to require changes to the current regulations just for  
the sake of quote "doing something".  
[84] A NTSB representative commented on the safety of motor coach transport  
and remarked that the number of people killed in motor coach crashes was trending  
downward and was remarkable, given the number of passenger miles travelled, and  
referred back to the 1999 report and its recommendations.  
[85] The NTSB’s Director of the Office of Highway Safety, Mr. Osterman,  
discussed compartmentalisation and stated:  
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We report on what we found and if you can stay within the compartment,  
even without a seat belt, and this is one of the reasons why the Board did not  
come out and say put seat belts on motorcoaches under their current  
configuration. As a matter of fact, we think that may not necessarily be the  
right engineering solution. Although seat belts may be the right solution, you  
have to redesign the compartment with seat belts engineered into the  
equation rather than simply applying them to the existing seat that was never  
designed for belts.  
[Emphasis added.]  
[86] Industry representatives included those from Prévost, Van Hool and  
Greyhound. They were all in general agreement with the need for further research  
and the setting of standards. They noted the effectiveness of compartmentalization  
but recognised that ejections resulting in death could take place with rollovers,  
although rollovers were a small percentage of total accidents. The president of  
Greyhound, Mr. Haugsland, noted:  
Greyhound reviewed its accident history for the period January 1, 1999 to  
April 16, 2002. We found that 54.13 percent of the DOT reportable accidents  
were front-rear impact collisions while rollover-overturns represented just 2.3  
percent of the DOT reportable accidents. In other words, Greyhound had over  
23 times as many DOT reportable front-rear impact collisions during that  
period than we had DOT reportable rollover-turnovers.  
. . .  
But NHTSA and Transport Canada must be certain that in trying to increase  
the occupant protections from an infrequent catastrophe, the rollover ejection,  
they do not adopt standards that detract from the excellent protections  
available for the much more common and potentially catastrophic event, the  
front-rear crash.  
[87] Prévost’s director of safety and compliance, Mr. Bertrand, spoke at the  
meeting. With respect to seatbelts he stated:  
Big question. Seatbelts. In the invitation it was mentioned. Adequate strength  
to withstand impact. What kind of impacts? I believe it's not practical to  
consider all kinds of impacts and it would be preferable to consider the most  
probable ones. The two major accidents that Bill described were very, very  
severe and I don't think we will see those kind of impacts very often. If proper  
testing proves their efficiency, we would favour lap belt over shoulder type.  
The driver's seat could be although fitted with a shoulder belt and I believe  
there is already some but that's pretty widely spread because of the seat  
design itself which has an air suspension and not very comfortable for a  
shoulder belt.  
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Also, the first row of seat will be the most important seats to work on because  
they don't have a whole lot of protection in front of them except the modesty  
panels which is quite different than a seat in front of another. And also, some  
rear seats which are facing the aisle in some coach design where you have  
three seats at the back of the rear bulkhead, there is most of the time one  
seat right in the middle of the aisle and this passenger could be better  
protected.  
[88] In his evidence at trial, Mr. Bolduc partially disagreed with this: he said  
Prévost was ahead of where Mr. Bertrand said it was because Prévost was, in fact,  
moving to three-point belts.  
[89] The differences between chassis-on-frame type buses used in Australia and  
Europe, and the monocoque construction, used in Canada and the United States,  
was noted at the meeting.  
[90] In June 2002, Transport Canada published a report titled Evaluation of  
Occupant Protection in Buses, prepared for it by RONA Kinetics and Associates Ltd.  
Mr. Gardiner was the project manager for Transport Canada. The report’s main  
author was Dr. Jocelyn Pedder who had worked in England and had connections in  
Australia as well. Mr. Gardner described her as ideal to conduct the study, the goal  
of which was to set out the state of the art in bus occupant protection, focussed on  
new intercity buses. The report reviewed bus occupant protection research and  
regulatory practices in Canada, the United States, Australia, and Europe. A goal was  
to identify issues for further consideration.  
[91] A conclusion of the RONA report was that rollovers and ejections were the  
major causes of serious and fatal injuries. Mr. Gardner said he considered that to be  
a major conclusion of the study.  
[92] With respect to seatbelts, the conclusion of the RONA report was:  
12.5 Seat Belts  
Full scale and sled tests using instrumented dummies as well as modelling  
have shown that lap/torso seat belts are highly effective in reducing the likely  
injuries to bus occupants.  
Feasible seat systems are now available which allow the fitting of lap/torso  
seat belts for bus occupants without weight penalty. Through the installation  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 27  
of seat belts in buses, there is also an opportunity for a consistent approach  
to safety systems for motor vehicle occupants.  
The fitting of lap belts is less beneficial and requires significant improvement  
in the energy absorption capability of bus interiors. Research indicates that  
lap belts may increase the risk of head injuries.  
Seat belt retrofit experience in Australia and Britain was hampered by poor  
control and the overall problems suggest it is inadvisable. If retrofit seat belts  
are used, available floor structure must be strong enough or capable of taking  
loading.  
There are concerns regarding the difficulties of enforcing the use and proper  
use of seat belts. There are no known seat belt use data.  
[93] With respect to the enforcement of seatbelt use on coaches, in his evidence  
Mr. Gardner noted that passengers could not be seen by passing police vehicles  
because they were too high up and that the only effective way to enforce use was for  
an officer to board the bus.  
[94] In the spring and summer of 2003, Transport Canada carried out sled tests on  
coach seat systems, as well as quasi-static tests using loading methods similar to  
those used in the European and Australian standards.  
95]  
The analysis and results of the 2003 sled tests were set out in a March 2005  
report of Biokinetics and Associates (the Biokinetics Report). The report compared  
the test results with seat belt performance standards from Australia and Europe.  
[96] The report describes the dynamic testing methodology using a sled:  
The overall approach to the dynamic testing is similar in both test standards.  
That is, two rows of seats are mounted to a test bed, crash test dummies are  
installed, and the test bed is either crashed into a barrier or accelerated  
rearward with a sled. The complete seats must be mounted as they would be  
in a vehicle and must also be equipped with all the standard options like  
storable tables. The ADR 68 test method has some variation with the addition  
of a third row of seats.  
However, the report noted that the testing scenarios used in Australia and Europe  
were different, that the required crash pulses for the standards differed greatly  
between the two, and that the seat performance criteria were also different.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[97] The report also described static testing and alternative anchorage testing and  
noted the there were, again, differences between Australia and Europe.  
[98] The Biokinetics Report also reported on the testing that was done on  
Australian and European seats done by Transport Canada. It noted, once again,  
differences between their performance. It noted the future work that would have to  
be done by seat manufacturers in designing a set once performance standards were  
established:  
The data provided by both the belt force transducers and the load plate which  
was mounted between the seats and the floor should provide useful input for  
seat, seatbelt and anchorage designers in the event that a standard is  
introduced in Canada in future. Knowledge of the types of loads produced  
during the specified testing should be of assistance in initial design work to  
help ensure a design which will be likely to pass the tests. Given the moment  
data about the Centre of Gravity of the load plate, and knowing the geometry  
of a proposed seat, a manufacturer would be able to calculate expected loads  
on the various anchorages using the Transport Canada test data.  
Unfortunately, in some cases, seats failed in various ways before full  
specified test loads were reached, and none of the dynamic tests reached the  
more severe ADR 68 crash pulse levels. Nevertheless, the static tests were  
accomplished with both seats passing at ADR and ECE required applied  
force levels, so should provide useful data.  
[99] The report concluded:  
If Transport Canada wishes to implement a standard for seat belts in  
motorcoaches in the future, it is recommended that ADR 68 (in its most  
current form at the time) be used as a template. Specific test input conditions  
and performance criteria should follow the methodologies and values as  
noted in detail earlier in this report. These values, of course, may be varied if  
additional data is available at the time to suggest this is a reasonable  
approach.  
[100] Mr. Gardner explained that this was not a recommendation to adopt the ADR  
standard’s criteria. Rather, Mr. Gardner explained that:  
I think what they’re suggesting is that if a regulation is adopted in Canada that  
could be stylized around the ADR 68. I don't think they or ourselves were in a  
position to say that we should just adopt 68. We didn't even know exactly  
how to test ADR 68 in that form. I don't think they or ourselves were in a  
position to say that we should just adopt 68. We didn't even know exactly  
how to test ADR 68 in that form.  
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He added:  
It encouraged us to continue with the plan to gather more data on how buses  
would react to proper rollover to do modelling work and to -- and eventually to  
do more work on the sled to try and establish better methods of injury criteria  
and appropriateness of a pulse for the Canadian sled. But primarily the next  
step was to model a bus and determine how it performed both from a view of  
glazing and from a view of seatbelts.  
[101] To digress momentarily to Prévost, in 2003, it began to plan the engineering  
and developing of seatbelts for its buses.  
[102] In August 2007, NHTSA published NHTSA’s Approach to Motorcoach Safety.  
Its goal was to provide a comprehensive review of motorcoach safety and what  
NHTSA was proposing to do to address them. With respect to seatbelts, the report  
compared the Australian and European standards and concluded:  
PLANNED APPROACH: While both Europe and Australia currently have  
such requirements for seat belts on motorcoaches, they differ. The  
fundamental information that would be necessary to establish adequate  
performance requirement for seat belts on motorcoaches does not exist. For  
example, the crash forces transmitted to the occupant compartment that seat  
and/or belt anchors would need to sustain are unknown. An approach for  
applying seat belts to motorcoaches will require the following tasks:  
1. Procure a recent vintage motorcoach and conduct a frontal barrier  
crash test with instrumented dummies aboard. [2007]  
2. Using the crash pulse information obtained from the crash test,  
conduct sled testing under various conditions to determine the level of  
occupant protection afforded by each and the forces transmitted to the  
belt and seat anchors. The sled test conditions would include  
unbelted, lap belted, and lap/shoulder belted occupants using current  
North American motorcoach seats as well as European and/or  
Australian designs. [2007]  
3. With this information, develop FMVSS No. 210 type performance  
requirements for the seat belt assembly and seat anchorages. [2008]  
[Emphasis added.]  
[103] In December 2007, after input from the industry, NHTSA conducted a crash  
test of a 2000 MCI coach with crash dummies. The bus was fitted with seats from  
different manufacturers in different configurations: two-point belts, three-point belts  
and no belts. NHTSA reported the results to the industry in January 2008.  
   
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[104] In May 2008, Transport Canada met with the industry’s Motorcoach Crash  
Test Industry Group to plan crash tests, which would include a rollover. The test was  
planned for July 2008.  
[105] In 2009, Prévost started delivering coaches with seatbelts, with an opt-out  
option. I will return to this later.  
[106] In November 2009, the U.S. Department of Transportation released its Motor  
Coach Safety Action Plan. It stated:  
FARS data indicates that ejection due to a rollover crash causes the highest  
percentage of motorcoach passenger fatalities. NHTSA determined that  
installing seat belts would be the most direct method of retaining passengers  
within the seating compartment and preventing ejection. Seat belts could also  
potentially provide protection in multiple crash modes, including frontal  
crashes, side crashes, and rollovers. NHTSA tentatively determined that  
installing seat belts on motorcoaches has potential to enhance motorcoach  
occupant protection.  
It specified requiring seatbelts as an action item with a goal of publishing a Notice of  
Proposed Rule Making (NPRM) in the first quarter of 2010 and the development of a  
final rule in 2010 to 2011.  
[107] Prévost offered its customers a three-point retrofit in August 2010. I will also  
return to this later.  
[108] In August 2010, NHTSA published a notice of proposed rule making with  
respect to seatbelts in motorcoaches.  
[109] On August 28, 2014 the crash that gives rise to this litigation occurred.  
[110] In November 2013 NHTSA published its final rule requiring three-point  
seatbelts for coaches manufactured after November 2016.  
[111] In March 2016 NHTSA issued a Report to Congress Retrofit Assessment for  
Existing Motorcoach. It confirmed an earlier position against requiring the retrofitting  
of seatbelts because belt usage rates would not be high enough to offset the cost of  
retrofitting. NHTSA used a seat belt usage rate of between ten and fifty percent in  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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coming to this conclusion but stated that the more realistic usage rate was ten to  
twenty percent.  
[112] As previously noted, in November 2016 the requirement for three-point belts  
on coach passenger seats in the US came into force.  
[113] I now move back to Canada and conclude this chronological review. In June  
2018 Canada promulgated regulations requiring three-point seat belts on motor  
coaches, with no retrofit requirement. The regulations come into force on September  
1, 2020.  
2.  
Why Prevost did not install seatbelts until 2009 and the decision  
to change to seatbelts  
[114] As noted, the engineering planning for seatbelts was started in 2004. Prévost  
began to deliver the H3-45 with three-point belts in 2009. I will now canvass why the  
decision to add seatbelts was made and why it was made when it was. This is  
obviously relevant to the central allegation of the plaintiffs that seatbelts ought to  
have been installed in the subject coach when it was manufactured in 1998.  
[115] The evidence for this decision-making comes almost exclusively from Mr.  
Bolduc’s testimony and Prévost documents. As I mentioned above, Mr. Bolduc was  
the former president of Prévost. He became involved with safety issues in 1994  
when he became vice president of manufacturing and part of the product committee.  
In 2004 he was promoted to president and CEO.  
[116] Mr. Bolduc explained how Prévost along with the whole industrywas  
initially focussed on compartmentalization as the main occupant safety feature. I  
have set out his description of compartmentalisation earlier (para. 39). It is worth  
noting again that on a motor coach this includes the monocoque design with its  
collapse zones, as opposed to European and Australian buses which are body-on-  
ladder-frame construction without the energy-absorbing zones. Mr. Bolduc explained  
that while the term compartmentalisation was also used in relation to school buses,  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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the implementation was different, including that school buses had body-on-frame  
designs, again without collapse zones.  
[117] Mr. Bolduc said that prior to the decision to install seatbelts,  
compartmentalisation had a good track record, as did the whole industry. The  
majority of accidents were front and rear-end collisions in which  
compartmentalisation worked very well. While there were rollovers, the numbers  
were low. Therefore, seatbelts were not designed into the H3-45.  
[118] There were a number of things that cumulatively led to the decision to make  
the change.  
[119] Mr. Bolduc said that in 1998 and 1999 there was a spike in serious  
motorcoach accidents. This is shown in the following graph from US Department of  
Transportation Motorcoach Safety Action Plan (above para. 106).  
[120] After this, Mr. Bolduc said the industry began discuss seatbelts. As he put it:  
Because the industry at that time, we were all questioning ourselves. Is  
compartmentalization the only element. Could it be better. Could we do  
something extra. And I would say this has boiled into my mind up to the point  
where we have started to put into our plan steps, and some of them are  
directly coming from recommendation that we -- that we have being part of  
those discussions in 2002, 2003.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[121] This prompted Prévost to have its prototype department start testing the seat  
tracks to which the seats were hooked and to determine whether it could be  
reinforced.  
[122] In 2006 or 2007, after Prévost had done the first testing on its seat anchorage  
system, it started contacting its seat suppliers and learned they did not have seats  
with seatbelts. The plaintiff challenges that by pointing to advertising from another  
manufacturer. However, no one from that company was called. In any event, there  
was no evidence of seats with belts being available when the coach was built in  
1998.  
[123] A final impetus was the 2007 NHTSA crash test that I referred to above (para.  
103). Mr. Bolduc testified:  
Finally, I would say in December 2007 NHTSA finally made what I believe the  
most important testing of the industry where they have done a full crash test,  
a sled test, and after that a static test in the right order. They defined the  
parameter of the -- of their crash test. They picked up the information,  
reproduced it to the sled test, looked at the situation carefully and what was  
the dynamics, and then made the static tests based on everything they were -  
- they had find out. And this -- I would say there, I was personally starting to  
be convinced that we could do something, having this new data available and  
having those tests being done. And I would say starting there, for me the  
machine was started, and we would on a short period of time have seatbelts  
into Prévost coaches.  
[124] After reviewing the data, and discussing the matter with Greyhound and a  
seat manufacturer, IMMI, Prévost decided to design for a 20g rating for seat and belt  
anchorage.  
[125] The plaintiffs allege that seatbelts were not installed in the H3-45 model  
because Prévost wanted to stay competitive with MCI and wanted to save costs. I do  
not accept that, and accept Mr. Bolduc’s evidence which is largely backed up by the  
industry narrative in the prior section and Prévost’s documents. Moreover, a desire  
to save costs is belied by the decision to move to seatbelts ahead of the rest of the  
industry.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 34  
[126] Mr. Bolduc was asked why Prévost did not do its own testing. He explained  
that the only entities he was aware of that could undertake and understand crash  
testing with fully instrumented dummies was NHTSA and Transport Canada:  
It's too complex. The complexity is not to have a dummy. The complexity is to  
have all the string gauge and the data coming out of it and to analyze all that.  
Because we're not biomechanics engineers or doctors or anything like that.  
We don't have that knowledge and we don't have the capacity to keep people  
like that.  
There is nothing in the documents or other evidence that indicates either NHTSA or  
Transport Canada expected bus manufacturers to do testing with dummies. The  
evidence is that they were both content to do the testing with the collaboration of the  
industry.  
[127] Mr. Bolduc was questioned on the role of Volvo with respect to seatbelts in its  
buses in an attempt to establish that Prévost could have simply adopted their  
design. A Volvo pamphlet found by the plaintiff on Volvo’s website was put to Mr.  
Boulduc. It said:  
Volvo Buses has introduced the three-point seat belt on all seats in the early  
1990’s.  
However, Mr. Bolduc testified that at that time, Volvo was not manufacturing buses;  
rather it was just supplying chassis to bus manufacturers.  
[128] With respect to access to Volvo engineering, Mr. Bolduc explained that when  
Prévost was owned by both Henley and Volvo (1995 to 2004), there was little access  
to technical information. This was because Henley and Volvo were, indirectly,  
competitors. This was one reason Prévost did not buy engines from Volvo until  
2007.  
[129] Moreover, the buses in North America are bigger and wider than those in  
Europe and are not chassis-on-frame. They have different anchorage points.  
Therefore, the seats from Europe would not work for North American buses.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 35  
[130] In essence, therefore, seats with belts were not available to Prévost until after  
2006.  
[131] With respect to not having adopted the European or Australian standards  
while waiting for the NHTSA testing, Mr. Bolduc said:  
Well, again I have the same comments. The Australian -- even NHTSA and  
Transport Canada, when they made their test, they did not even look or try to  
replicate the Australian standard the way it's been done or tested. They  
focused a little bit more on the European standard which was a little bit more  
understandable, but again the European standard was not complete and was  
not done in the right sequence to develop the right standard. So the  
Australian -- they responded to a political and public demand rush rapidly and  
never completed their test. We would not -- we were not in a position to follow  
something that was not properly done. That's not our way of doing things.  
The view of the U.S. and Canadian regulators was in line with that approach.  
3.  
Plaintiffs’ expert evidence regarding seatbelts  
[132] I deal here with the expert evidence tendered by the plaintiff in relation to the  
question of whether seatbelts ought to have been installed. Several of the plaintiffs’  
experts deal with both the seatbelt and the glass issues; I deal with the latter  
separately.  
[133] In order not to interrupt the trial and to allow it to finish on schedule, the  
experts gave their evidence on the basis that challenges to their qualifications and  
admissibility of their opinions would be determined as part of my final decision. (The  
one exception to that was the report of Mr. Cole, with respect to which I made a mid-  
trial ruling that I set out below.) As will be seen, Prévost challenged several of the  
plaintiff’s experts.  
a)  
Gregory Sypher  
[134] Mr. Sypher was tendered to give [O]pinion evidence in the area of  
transportation engineering, accident investigation and reconstruction, transportation  
safety including occupant restraint systems in motor vehicles, injury data analysis,  
and the forces and mechanics associated with injuries to the human body.”  
     
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 36  
[135] The questions posed to Mr. Sypher were:  
1. Does the design of the seat system in the subject Bus pose a safety  
risk to any or all passengers? If “yes”, please explain the risk and the  
potential severity of harm that could arise from the risk.  
2. Were design alternatives or countermeasures available to bus  
manufacturers in the model year 1998 to reduce the risk of injury in a  
rollover? If “yes”, please provide estimated costs for any solutions you  
identify.  
3. Does the fact that the windows on the Bus were tempered glass, and  
not laminated, pose a safety risk to passengers in a rollover? If “yes”,  
please explain the risk and the potential severity of harm that could  
arise from the risk.  
4. What is the likely mechanism of the injuries sustained by the  
plaintiffs?  
5. Would a seatbelt restraint system installed on the Bus at the time of  
the Collision have reduced the likelihood of injuries to the plaintiffs?  
6. Would laminated windows installed on the Bus at the time of the  
Collision have reduced the likelihood of injuries to the plaintiffs?  
[136] Prévost objects to his qualifications to address these questions. Prévost says  
that, in any event, his opinions amount to speculation and do not assist the court. As  
I will explain, I agree.  
[137] Dealing with Mr. Sypher’s qualifications, his formal education was in civil  
engineering dealing with highway design. His work experience was at Transport  
Canada dealing mainly with accident investigation. He has no experience in the  
areas he was tendered for, namely “occupant restraint systems in motor vehicles,  
injury data analysis, and the forces and mechanics associated with injuries to the  
human body”. On that basis, his report would be inadmissible.  
[138] Even if that were not the case, I do not find his opinions to be helpful. To be  
fair to Mr. Sypher, this is in due in part to the nature of the questions put to him.  
[139] His answer to the first question, whether the design of the seat system posed  
a safety risk to any or all passengers, was, in part:  
Yes. The design of the seat system used in the subject Bus poses a risk to  
the safety of all passengers because none of the passenger seating is  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 37  
equipped with seatbelts. Therefore, passengers would not be adequately  
restrained during collisions, especially those involving significant ‘lateral’  
(sideways) and ‘vertical (up and down) accelerations, such as rollovers and  
high severity side-impacts. This would have passengers at high risk of  
serious injury and death from forceful impacts during such events.  
[140] As I indicated above, the issue here is not whether there was an absolute  
risk: the matter of is one of relative risk and a balancing of multiple factors. It is an  
issue that needs to be seen in its broader context.  
[141] His answer to the second question concerning availability of alternatives or  
countermeasures, was:  
Yes. Design alternatives and countermeasures were available to bus  
manufacturers, including Prévost, to reduce the risk of injury to passengers  
being transported within motorcoaches. The most effective countermeasure  
would have been the proper design, manufacture and installation of a ‘three-  
point seatbelt’ system for the passenger seats of the Bus.  
[142] Mr. Sypher went on to describe three-point belts in general:  
Other manufacturers were equipping some similar motorcoaches with ‘three-  
point’ seatbelts for passenger seats years before the Bus was manufactured in  
1998. Admittedly, seatbelt installation for passenger seating was not typical  
practice at the time and often did not involve all passenger seats when  
passenger seatbelts were installed. For example, the 2000 Van Hool 2145  
motorcoach that was involved in the ‘Sussex Bus Crash’ that occurred in New  
Brunswick in 2001 was equipped with seatbelts at seven passenger seats (at the  
‘tour guide’ jump seat in the bus entryway, the four seats in the front rows, and  
the rear row ‘aisle’ seat). However, properly designed seatbelt systems could  
have been factory installed in the Bus, or properly retrofitted to the Bus prior to  
the Collision, to provide protection for passengers during a rollover. Had this  
been done, the Bus passengers most probably would have remained within the  
protective structure of the Bus and, more importantly, in their respective seats  
during the entire Collision - including all post-impact travel.  
[143] The answer is problematic. First, once again, it does not consider the wider  
context as it was known in 1998. Second, the response says three-point belts were  
available and illustrates that by describing the Van Hool bus, which only had two-  
point belts. In turn, Mr. Sypher uses that example to propose the hypothetical that  
three-point belts “could have been factory installed” into the Van Hool bus. The  
illogic of that is apparent.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 38  
[144] What the opinion does not canvass is the matter posed in the second  
question; namely, it does not point to any available seats with three-point restraints.  
As I concluded earlier (para. 130), there were no available seats for North American  
buses with three-point restraints until approximately 2006. There is no dispute that  
two-point belts were not a suitable alternative.  
[145] Questions four and five call for a biomechanical opinion, something Mr.  
Sypher was not qualified to give. Questions three and five, regarding tempered  
glass, will be addressed below.  
b)  
William Vigilante  
[146] Dr. Vigilante is a psychologist with experience in psychological and human  
factors research with a focus on human-machine interaction, product design, hazard  
identification, and mitigation, risk perception, and the design and testing of warning  
systems. The plaintiffs tendered him as an expert in in the field of human factors and  
ergonomics relating to the relationship between product design, hazard identification  
and mitigation, risk perception, and the design and testing of warnings.  
[147] The questions Dr. Vigilante was asked were:  
1. Was the increased risk of injury and death associated with rollover  
accidents known to coach manufacturers?  
2. Were the safety benefits of seat belts in rollover collisions known to  
coach manufacturers?  
3. Were the safety benefits of passenger seat belts known to coach  
manufacturers?  
4. Was the need to retro-fit existing coaches with passenger belts known  
to coach manufacturers?  
5. Was it reasonable for coach manufacturers to have provided  
passenger seat belts in their coaches?  
6. Was it reasonable for coach manufacturers to provide seatbelt  
warnings in their coaches?  
[148] There is no connection between these questions and what he was tendered  
for, apart from perhaps the last question. Nor are the questions within his  
background or expertise: Dr. Vigilante has no specific knowledge of the bus industry.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 39  
[149] Dr. Vigilante’s answers to the questions came from a review of some of the  
documents entered as exhibits, many of which I set out above. There may be cases  
where special expertise is needed to interpret documents, such as an historian  
interpreting historic records in an Aboriginal title case, but this is not one of those  
cases.  
[150] Dr. Vigilante’s opinions therefore go beyond his qualifications and they seek  
to draw inferences from the documents that are not needed by the court.  
[151] Moreover, his analysis of the documents was selective. His focus was on  
NTSB recommendations to NHTSA, but he did not touch on the response of NHTSA  
to those recommendations.  
[152] The one area that Dr. Vigilante addressed in his report that was within his  
expertise concerned warnings. His conclusions with respect to the question were:  
9. On-product warnings can be permanently and conspicuously placed  
directly in vehicles, and this practice effectively alerts and informs owners,  
operators, and passengers of the safety benefits of seat belt use and the risk  
associated with not using them particularly in a rollover collision.  
10. Using a warning system in conjunction with passenger seat belts on the  
subject Prévost coach would have been consistent with the design safety  
hierarchy, ensured passengers were aware of the presence and benefits of  
using the seat belt, and ensured critical safety information was available to all  
passengers.  
11. Had the warning system been in place on the subject Prévost coach,  
passengers would have been provided with critical information related to the  
use of the seat belt and encouraged them to wear it.  
12. Should a manufacturer cho[o]se not to install seat belts into its coach,  
they could have alternatively placed a warning in the vehicle alerting  
passengers to the absence of the critical safety feature; the increase[d] risk of  
severe injury and death they were subjected to should the vehicle be involved  
in a collision, particularly a rollover collision; and that other coaches include  
seat belts.  
13. Had an alternative warning been in place on the subject Prévost coach,  
passengers would have at least been informed of the increased risk  
associated with the lack of seat belts and their option of choosing a coach  
that offered seat belts.  
14. As of 1998 model motorcoach manufacturers had the ability to provide an  
effective warning in their vehicles to alert passengers to the increased risk  
associated with the vehicle’s lack of seat belts.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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15. It was reasonable for coach manufacturers to provide seat belt warnings  
in their coaches as of the 1998 model year.  
[153] Conclusions 9 to 11 address the issue of whether passengers would have  
used seatbelts had they been installed. The remaining conclusions address the  
warning that the plaintiffs argue ought to have been given to alert passengers to the  
dangers of not having seatbelts available.  
[154] Although the question asked of Dr. Vigilante is problematic in that it asks him  
to conclude on the ultimate issuei.e., one of reasonablenessI find the above  
conclusions admissible because they speak to the effectiveness of potential  
warnings.  
c)  
Andrew Rentschler  
[155] Dr. Rentschler is a biomechanical engineer. He participated in the  
development and testing of seating and restraint systems and was familiar with the  
theory and application of restraint systems and their ability to protect occupants from  
inertial and impact loading, as well as the techniques and processes for evaluating  
their performance characteristics.  
[156] The plaintiffs sought to qualify Dr. Rentschler as an expert in the field of  
accident reconstruction, mechanical and biomechanical engineering, human kinetics  
analysis including injury mechanisms, and associated tolerances of the human body.  
There is no issue with respect to that qualification.  
[157] Some of the questions put to him go beyond his qualifications, but he did not  
answer them, so I will not belabour that point here.  
[158] With respect to seatbelts, by the time of argument, much of Dr. Rentschler’s  
opinion became unnecessary because of the admission made by Prévost that I set  
out above (para. 49). It conceded that the plaintiffs’ injuries would have been  
lessened or eliminated by the use of seatbelts.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 41  
[159] Dr. Rentschler prepared a rebuttal report with respect to two of Prévost’s  
experts. He emphasized the limits of compartmentalization and said that three-point  
belts provided better protection. He commented on Mr. Gardner’s reference to the  
issue of possible low seatbelt usage rates in coaches pointing to the high usage  
rates in the front seats of automobiles:  
In 1998, approximately 69 per cent of front-scat occupants in passenger  
vehicles in the United States used seat belts." This percentage had increased  
from a level of 45 percent ten years earlier in 1988 and from a level of 14  
percent in 1983. The efficacy of seat belts and the ability to educate motorists  
and increased seat belt usage was clearly evident in 1998.  
[160] Dr. Rentschler’s comments regarding seatbelts and compartmentalisation did  
not address the balancing between different types of crashes. That probably would  
have been beyond his expertise in any event.  
d)  
Gary Whitman  
[161] Mr. Whitman is the director of crashworthiness for the engineering firm  
ARCCA. He has a Bachelor of Science in Mechanical Engineering from Drexel  
University and has done postgraduate work there as well.  
[162] The plaintiffs sought to have Mr. Whitman qualified as an expert in occupant  
crash protection systems, occupant crash restraint systems, crash safety and  
survival, and emergency escape systems as it relates to restraint systems. The  
questions posed to him were:  
1. Does the design of the seat system in the subject bus pose a safety  
risk to any or all passengers? If “yes”, please explain the risk and the  
potential severity of harm that could arise from the risk.  
2. Were design alternatives or countermeasures available to bus  
manufacturers in the model year 1998 to reduce the risk of injury in a  
rollover? If “yes”, please provide estimated costs for any solutions you  
identify.  
3. Does the fact that the windows on the bus were non-laminated or non-  
acrylic glass, pose a safety risk to passengers in a rollover? If “yes”,  
please explain the risk and the potential severity of harm that could  
arise from the risk.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 42  
[163] Mr. Whitman also prepared a rebuttal report. Although different questions  
were put to him, they essentially covered the same ground as did his opinions in the  
rebuttal report. My comments here apply to both reports as well as to his oral  
evidence.  
[164] Prévost submitted that Mr. Whitman went beyond his expertise in his  
responses and submitted that he was an advocate or purported to proffer legal  
opinions.  
[165] To the extent that Mr. Whitman spoke of the ability of three-point belts to  
restrain passengers, his opinion is non-controversial. However, when he went further  
and said that the bus ought to have had seatbelts in it, his opinion became more  
problematic for the following reasons:  
a) As with some of the other plaintiffs’ experts, he did not consider the relative  
risk of different crash types.  
b) Mr. Whitman stated that there were “off-the-shelf systems” from Australia that  
could have been adopted. But that is not the case. As stated previously,  
Australia uses a body-on-frame system, and the seatbelt engineering is not  
directly transferrable. Mr. Whitman was only aware of the differences between  
the bus types “in very general terms”. It was, he stated, not his area of  
expertise. He did not know if the Australian seats were compliant with the  
North American standards that were developed later. He said: “All I know is  
that Australia had a 20g standard and bus manufacturers were able to comply  
with that.”  
c) Mr. Whitman’s conclusions were—as with Mr. Vigilantelargely based on a  
review of the documents which was selective and did not refer to concerns  
expressed by the regulatory authorities with respect to the use of seatbelts.  
He acknowledged it was an oversight not to have referred to the 2007 NHTSA  
report Approach to Motor Coach Safety, although it was in his file.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[166] With respect to Mr. Whitman’s conclusion that Prévost, the industry, and the  
regulators were or ought to have been aware of the risk of rollovers, the Court is in  
as good a position to interpret the documents as Mr. Whitman.  
[167] I do not rule the report inadmissible, but the preceding goes to the weight of  
Mr. Whitman’s opinion.  
[168] Mr. Whitman did recognise the importance of testing, development of  
standards, and NHTSA’s role in testing.  
e)  
James Hall  
[169] Mr. Hall is a lawyer who was appointed a member of the NTSB in 1993 and  
then as its chairman from 1994 to 2001. He was tendered to opine on transportation  
safety, motor vehicle accident investigation, occupant crash protection restraint  
systems, and crash safety and survival.  
[170] With respect to seatbelts, Mr. Hall was asked to address the following  
questions:  
1. Does the design of the seat system in the subject bus pose a safety  
risk to any or all passengers? If “yes” please explain the risk and the  
potential severity of harm that could arise from the risk.  
2. Were design alternatives or countermeasures available to bus  
manufacturers in the model year 1998 to reduce the risk of injury in a  
rollover?  
[171] He summarised his opinions:  
1. The design of the seat system in the 1998 Prévost commercial bus  
(the "Bus") involved in the subject accident was deficient because it  
did not provide occupant restraints or any other mechanism to prevent  
the passengers on the Bus from being ejected or from being forcefully  
thrown against rigid structures in the interior of the Bus.  
2. Occupant restraint systems (e.g., seat belts) have been available to  
the motor coach industry at least since the 1970s and the National  
Transportation Safety Board had advocated their use since at least  
1969.  
[172] Mr. Hall also prepared a rebuttal report to Mr. Gardner’s opinion.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[173] Prévost says that Mr. Hall is not qualified to give his opinions because he is a  
lawyer with no engineering experience, and that his opinion is in effect argument.  
[174] For the following reasons, I find Mr. Hall’s opinions to be of little assistance  
and it is therefore unnecessary for me to make a formal determination on  
admissibility.  
[175] In answering question 1, Mr. Hall relied solely on NTSB recommendations, as  
opposed to any expertise of his own. He did not refer to NHTSA responses or its  
reports at all.  
[176] His response to the second question was again based on NTSB accident  
reports and reference to European and Australian standards. He did not address the  
translatability of those standards to US buses. He did not refer to NHTSA’s work, or  
to that of Transport Canada. Mr. Hall did not proffer any technical opinions to aid in  
interpreting the documents, nor would he have been qualified to do so.  
[177] Mr. Hall acknowledged that his opinion was based on some  
recommendations made in individual NTSB accident investigation reports and that  
between 1973 and 1988, the NTSB did not make any formal recommendations with  
respect to putting seatbelts in buses.  
[178] A factual point that is admissible, is that Mr. Hall said that while the NTSB had  
the ability to issue urgent communications on safety issues if immediate attention  
was required, during his tenure, it did not do so.  
f)  
Amrit Toor  
[179] Dr. Toor is an engineer who was tendered as an expert in accident  
reconstruction and vehicle occupant kinematics.  
[180] With respect to seatbelts, he was asked whether seatbelts would have been  
effective in preventing or reducing contact-related injuries. Prévost did not take any  
issue with respect to his report and his findings were non-controversial.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 45  
[181] His conclusion with respect to seatbelts was:  
The availability and use of seat belts by the bus occupants would have limited  
the occupant motion and provided benefit in reducing occupant contacts and  
movement. Thus, occupant contact related injuries would have also likely  
been reduced and/or eliminated with the use of seat belts. Seat belt usage  
would have likely also prevented full occupant ejection from the bus.  
Once again, given the admission by Prévost (a well as the balance of the evidence),  
this conclusion is not controversial.  
g)  
Gregory Cole  
[182] Mr. Cole authored a report titled Passenger Bus and Crash Safety in  
Australia.  
[183] Mr. Cole said he managed bus and transportation companies in Australia for  
35 years, although it became apparent that this was closer to 10-12 years. He has a  
Certificate of Transport Management from Sydney University Institute of Transport  
Management and a Certificate of Bus Safety and Risk Management from Monash  
University.  
[184] Mr. Cole was asked to opine on the following:  
1. Does the design of the seat system in the Bus pose a safety risk to any or  
all passengers? If “yes”, please explain the risk and the potential severity  
of harm that could arise from the risk.  
2. Were design alternatives or countermeasures available to bus  
manufacturers in the model year 1998 to reduce the risk of injury in a  
rollover? If “yes”, please provide estimated costs for any solutions you  
identify.  
3. Were design alternatives or countermeasures available to bus  
manufacturers in the model year 1998 to reduce the risk of driver  
inattentiveness or fatigue? If “yes”, please provide estimated costs for  
any solutions you identify.  
4. What policies or protocols might a typical bus tour operator have in place  
to ensure the safety of customers?  
5. What schedule of inspections and enforcement might a typical bus tour  
operator have in order to ensure that policies and protocols in place are  
followed and adhered to?  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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6. What training and re-training might a typical bus tour operator have in  
place to ensure the quality of drivers and tour operators?  
7. What sorts of warnings about the dangers of inter-city bus travel might a  
typical bus tour operator provide to customers before allowing them to  
embark on an inter-city bus?  
8. Are there additional risk factors to consider and additional policies or  
protocols if a typical bus tour operator is subcontracting out parts of the  
bus tour, such as the bus and bus driver?  
Questions one and two deal with the liability of Prévost. The remainder of the  
questions deal with the liability of the other defendants.  
[185] All of the defendants objected to the admissibility of Mr. Cole’s report. A  
revised report was submitted. The defendants maintained their objections. I ruled the  
report inadmissible with reasons to follow, which I set out below.  
[186] The plaintiffs then sought to call Mr. Cole as a fact witness, which prompted  
another series of objections. Before hearing those objections, and in place of calling  
Mr. Cole as a fact witness, the following facts were agreed to by the parties:  
1. Since July 1, 1994 lap and shoulder seat belts have been mandatory  
on all new intercity motor coaches in Australia.  
2. Lap and shoulder seat belted passenger coach seats have been  
commercially available for purchase in Australia since July 1, 1994.  
3. In Australia, based on Mr. Cole's experience, pre-departure warnings  
are routinely given to passengers in intercity motor coaches by the  
coach operator at which time passengers are advised to wear their  
seatbelts and warned that the law requires that they wear their  
seatbelts.  
[187] My reasons for ruling Mr. Cole’s report inadmissible can be succinctly stated:  
a) Mr. Cole agreed in cross-examination that the majority of his work experience  
since 1995 was in retail travel or ventures other than management of  
passenger transportation companies.  
b) Questions one and two are engineering questions which Mr. Cole has no  
expertise to address.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 47  
c) His opinions are based on the regulatory regimes in the Australian states of  
New South Wales and Victoria. Mr. Coles’ only experience is in Australia. He  
has no expertise with which to provide opinions that are of assistance to  
Canada.  
d) Beyond what was distilled into the agreed facts, Mr. Cole had nothing  
admissible or relevant to offer.  
4.  
Prévost’s experts dealing with seatbelts  
a) Gray Beauchamp  
[188] Mr. Beauchamp is an engineer in the United States with experience in traffic  
accident reconstruction and vehicle dynamics. He was tendered as an expert in  
vehicle accident reconstruction, vehicle dynamics, vehicle handling and driver  
response.  
[189] Mr. Beauchamp described the dynamics of the accident. He said Mr. Spittal’s  
aggressive steering to the right caused the bus to roll over. There was no challenge  
to this part of his evidence.  
[190] Mr. Beauchamp was asked to provide opinions on whether the accident  
would have been prevented by electronic stability control or a lane departure  
warning system, but those issues were not advanced by the plaintiffs.  
[191] He also opined on the forces exerted on the glass. I will deal that later when I  
come to the glass issue.  
b)  
Darrin Richards  
[192] Mr. Richards is an engineer who has worked in the field of biomechanical  
engineering since 1998. He has undergraduate degrees in mathematics and  
mechanical engineering, and a masters degree in biomechanical engineering. He  
was qualified to provide opinion evidence on accident reconstruction, vehicle  
dynamics, occupant kinematics, injury biomechanics, occupant protection, occupant  
     
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 48  
glazing interaction, and seatbelt effectiveness. His analysis was based in part on Mr.  
Beauchamp’s vehicle dynamics calculations.  
[193] Mr. Richards inspected the bus three times. On one of those occasions a  
three-dimensional laser scan was done of the bus by another engineering firm under  
Mr. Richard’s watch.  
[194] Mr. Richards was asked to provide his opinion “with respect to injury  
biomechanics including analysis of the vehicle dynamics and occupant kinematics  
during the sequence of the accident, as well as the potential effects of seat belts and  
laminated glazing, had either been present.”  
[195] Mr. Richards referred to the literature on compartmentalization and noted that  
the spacing and height of the seat-backs in the bus was consistent with that  
principle. He also noted that the seat-backs were deformed after the accident, but  
did not break off. This was indicative of them having absorbed energy from the  
impact with the passengers, again consistent with compartmentalisation. He did note  
that the seat-backs had firm plastic grip handles and this detracted from the  
protection of the deformable seat-backs. He noted these would have been aids for  
more elderly passengers to get in and out of their seats  
[196] Mr. Richards acknowledged the limited effectiveness of compartmentalization  
in a roll-over compared to three-point belts:  
While compartmentalization is highly effective at protecting occupants in  
frontal and rear collisions, it is far less effective for rollover type collisions.  
The 2002 Transport Canada Study indicated that the majority of severe and  
fatal injuries were the result of rollover events and ejections. Lap belts have  
been shown to have undesirable effects by increasing neck loads in frontal  
collisions (Transport Canada, 2017). Three-point restraints are generally an  
effective countermeasure to ejection and also effective at mitigating injuries  
during frontal collisions. However, installation of 3-point belts requires stiffer  
seatbacks to support belt loads, which runs counter to the principles of  
compartmentalization. In other words, if the belts are not used, there is  
greater risk to unbelted occupants. Improper belt use can also have a  
negative impact on overall safety. Thus 3-point seat belts are effective when  
worn properly, but can have negative effects when not worn or when worn  
improperly.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 49  
[197] With specific reference to the plaintiffs, Ms. Ding and Ms. Pan, he said that it  
is likely that three-point belts would have prevented their most significant injuries,  
which occurred as a result of contact with the ground.  
[198] Mr. Richards reviewed the literature with respect to seat-belt usage rates in  
various countries. By way of example, the Australian studies he noted showed  
usage rates from a low of 20 percent to as high as 90 percent. One study was of  
delegates to several crash conferences on crash safety, and noted a usage rate of  
under 50 percent. A German study reported a usage rate of 25 percent.  
c)  
William Gardner  
[199] I referred to Mr. Gardner in the chronological narrative regarding government  
and industry consideration of the use of seatbelts. As I noted, he was the head of  
Crashworthiness at Transport Canada for 18 years prior to his retirement in 2006  
and was responsible for bus safety. Prior to that he was the regulatory safety  
engineer responsible for bus safety.  
[200] Mr. Gardner provided two expert reports and I recognised him as qualified to  
provide opinion evidence in the fields of motor vehicle safety design, testing, safety  
regulation crashworthiness, and collision investigation and analysis. That said, as  
may be apparent from the narrative, he was more often a fact witness. I included  
much of that factual evidence in the chronological narrative and will not repeat it  
here.  
[201] Mr. Gardner was asked why Transport Canada had not recommended the  
installation of seatbelts by 1998. He stated that significantly more information was  
required and could only be obtained from dynamic crash testing which had not been  
done.  
[202] Mr. Gardner testified that he was well aware of the seatbelt regulations in  
Australia and Europe. However, it was not transposable to Canada without further  
testing. He stated:  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 50  
I think the most general conclusion would be that neither ECE 80 nor ADR 68  
could be just accepted into the Canadian regulations. They were -- neither  
one of them were suitable for our type of sled testing, and neither one of them  
-- and we weren't really able to determine from our testing whether either one  
of them was completely appropriate or not.  
We would have had to do some more of our own testing. Ignoring the  
requirements of ADR 68 and ECE 80, we would have had establish our own  
criteria based on a sled test pulse that we felt was correct and that was  
achievable on our sled.  
So a lot of work would have to be done before we could actually reapply any  
of these standards.  
[203] In cross-examination, Mr. Gardiner was taken to several individual crashes  
and it was put to him that these crashes should have led to the conclusion that  
seatbelts ought to have been required in motorcoaches. Mr. Gardner responded that  
conclusions could not be drawn from individual accidents and comments made after  
their investigations could not necessarily be accepted. The proper methodology is to  
draw conclusions only by looking at multiple accidents, which is what Transport  
Canada did. Referring to the accident at Les Éboulements in October 1997 (a  
rollover crash of a Prévost bus involving multiple fatalities), he said:  
So from the point of view of regulating what goes on the bus, I would never  
accept just the comments from one collision. I would want the comments from  
a lot of collisions, which is what I did do.  
And it's the same situation with school bus. Every time when there's a school  
bus collision, there were numerous people saying there should be seatbelts  
on the school bus, but that did not sway me from looking at the bigger picture  
where in a collision where there was intrusion in the side of the school bus  
and then three children died, that doesn't mean that a seatbelt would have  
been any use to them at all.  
So it depends on a lot more than any one collision. This was an enormous  
collision, the largest in Canadian history, and so I couldn't -- I couldn't  
suggest that it would be wise to make all buses so that everyone would live  
on that bus.  
[204] Mr. Gardner denied that there was any lobbying or effort by Prévost to delay  
regulation.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
5. Analysis: seat belt issue  
Page 51  
[205] Product liability is negligence-based and is not a tort of strict liability. To  
succeed, a plaintiff must show:  
a) the defendant owed a legal duty of care to the plaintiff in respect of the  
product;  
b) the product was defective or dangerous;  
c) the defendant was negligent in failing to meet the requisite standard of care;  
d) the breach of the standard of care caused the plaintiff's injuries; and  
e) the plaintiff suffered damage because of the defendant's negligence.  
Harrington v. Dow Corning Corp., 2000 BCCA 605 at para. 122.  
[206] As in any case of negligence, the analysis hinges on reasonableness. I think  
it fair to sayas Prévost has arguedthat the question here is not whether Prévost  
was right or wrong in not installing seatbelts in 1998. Rather, the issue is whether it  
acted reasonably. As stated in Phillips v. Ford Motor Motor Co. of Canada, [1971] 2  
O.R. 637, 1971 CanLII 389 (O.N.C.A.) at para. 49:  
While the scope of M'Alister (or Donoghue) v. Stevenson,  
[1932] A.C. 562, has been greatly extended and is no longer  
limited to articles of food and drink, but has been applied to  
underwear, tombstones, motor-cars, elevators and hair dye,  
and more recently to house property and articles installed  
therein, our Courts do not, in product liability cases, impose  
upon manufacturers, distributors or repairers, as is done in  
some of the States of the American union, what is virtually  
strict liability. The standard of care exacted of them under our  
law is the duty to use reasonable care in the circumstances  
and nothing more.  
[207] A useful statement of the centrality of reasonableness is the following from  
Daishowa-Marubeni International Ltd. v. Toshiba International Corporation, 2010  
ABQB 627:  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[38] The onus is on the plaintiff to show that the item as designed was not  
reasonably safe as there was a substantial likelihood of harm and it was  
feasible to design the product in a safer manner. The duty of reasonable care  
in design rests on the principle that the manufacturer should use reasonable  
care to eliminate any unreasonable risk or foreseeable harm. Tabrizi v.  
Whallon Machine Inc. (1996), 29 C.C.L.T. (2d) 176 (B.C.S.C.) quoting  
Rentway Canada Ltd. v. Laidlaw Transport Ltd. The requirement is not the  
safest design possible, but rather one that is reasonable in the  
circumstances.  
. . .  
[40] The law does not impose strict liability on manufacturers, the onus does  
not require that they produce items that are accident proof or incapable of  
doing harm. The manufacturer is not the insurer of anyone who suffers injury  
while using or misusing a product.  
[Emphasis added.]  
[208] There is no debate that Prévost owed a duty of care to the plaintiffs to  
exercise reasonable care not to manufacture a motor coach with a design defect or  
one that was unreasonably dangerous. The issue is whether that duty has been  
breached.  
[209] The issues of regulatory and industry standards are central to this case.  
Because of the interaction of the industry and the government regulators, they are  
factually almost one and the same.  
[210] Compliance with regulatory standards does not give a manufacturer a “free  
pass” but it is a relevant factor in the reasonableness analysis and sometimes a very  
weighty one. As stated by Major J. in Ryan v. Victoria (City), [1999] 1 S.C.R. 201  
[Ryan]:  
29  
Legislative standards are relevant to the common law standard of  
care, but the two are not necessarily co-extensive. The fact that a statute  
prescribes or prohibits certain activities may constitute evidence of  
reasonable conduct in a given situation, but it does not extinguish the  
underlying obligation of reasonableness. See R. in right of Canada v.  
Saskatchewan Wheat Pool, [1983] 1 S.C.R. 205. Thus, a statutory breach  
does not automatically give rise to civil liability; it is merely some evidence of  
negligence. See, e.g., Stewart v. Pettie, [1995] 1 S.C.R. 131, at para. 36,  
and Saskatchewan Wheat Pool, at p. 225. By the same token, mere  
compliance with a statute does not, in and of itself, preclude a finding of civil  
liability. . . . Statutory standards can, however, be highly relevant to the  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 53  
assessment of reasonable conduct in a particular case, and in fact may  
render reasonable an act or omission which would otherwise appear to be  
negligent. This allows courts to consider the legislative framework in which  
people and companies must operate, while at the same time recognizing that  
one cannot avoid the underlying obligation of reasonable care simply by  
discharging statutory duties.  
[Emphasis added.]  
[211] Similarly, industry standards are relevant, but not determinative. As the  
Ontario Court of Appeal noted in Zsoldos v. Canadian Pacific Railway, 2009 ONCA  
55 at para. 43, conformity with industry practice does not protect a defendant from  
negligence where the practice itself is negligent.  
[212] It goes without saying, but I will say it nonetheless: the assessment of this  
issue must be based on the state of affairs at the time the coach was manufactured.  
[213] To summarise the crucial aspects of the evidence I set out above:  
a.  
Until 2020, there was no requirement in Canada to manufacture motor  
coaches with seatbelts. At the time the coach was built in 1998, the  
advisability of seatbelts in motor coaches was not a simple matter for  
the regulators or the industry. There was a weighing of the risks arising  
from different types of accidents, seatbelt usage rates, and different  
bus designs, among other considerations.  
b.  
It was not a simple matter of installing seatbelts into an existing bus  
design without any further engineering. As stated by Mr. Osterman of  
the NTSB at the April 30, 2002 joint NHTSB-Transport Canada  
meeting:  
Although seat belts may be the right solution, you have to  
redesign the compartment with seat belts engineered into the  
equation rather than simply applying them to the existing seat  
that was never designed for belts.3  
3 Mr. Osterman was not a witness at this trial, but his statement amounts to a succinct summary of  
the evidence from several trial witnesses.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 54  
c.  
Seatbelts had been discussed for many years prior to the manufacture  
of the coach and prior to the accident. It was recognised that ejections  
could take place in the event of a roll-over, but rollovers were  
considered to be, and were, extremely rare. In 1998, rollovers with  
fatalities constituted .017% of coach crashes in the U.S.  
d.  
e.  
As late as 1998 (the year the subject coach was manufactured),  
Transport Canada noted in its Review of Bus Safety Issues (above,  
para. 67) that seat belts would be of potential benefit in only a very  
few cases”.  
Well after the coach was manufactured, seatbelts remained under  
consideration as an open issue. As late as 2007, NHTSA (above, para.  
102) noted that:  
[T]he fundamental information that would be necessary to  
establish adequate performance requirement for seat belts on  
motorcoaches does not exist.  
f.  
No North American bus manufacturer had the capability to do the  
sophisticated crash testing using fully instrumented dummies to  
develop or implement a proper seatbelt standard. NHTSA did not  
conduct its crash test until 2007. Following that, Prévost was able to  
finalise its design for seatbelt implementation and the regulators were  
able to establish the seatbelt requirement with the appropriate  
standard.  
g.  
No North American seat manufacturers offered seatbelts until after  
2006.  
[214] The evidence adduced by Prévost clearly shows that the industry and  
regulatory standard was not to have seatbelts in motor coaches. The plaintiffs have  
mounted no real challenge to that. Rather the plaintiffspositionwithout clearly  
saying as muchis that both the regulations and industry standards were negligent.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 55  
However, the plaintiffs’ expert evidence does not back that up, as is apparent from  
my review of that evidence. I comment further on this at para. 222 below.  
[215] Moreover, the plaintiffs have not adduced evidence as to the requisite  
standard of care. The plaintiffs say that while expert evidence is necessary to prove  
the standard of care in a professional negligence cases (as set out in ter Neuzen v.  
Korn, [1995] 3 S.C.R. 674), no such evidence is necessary in other cases. They  
point to Johansson v. General Motors of Canada Ltd, 2012 NSCA 120 which was  
applied in Hans v. Volvo Trucks North America Inc., 2016 BCSC 1155 (aff’d 2018  
BCCA 410).  
[216] In Johansson, the plaintiff’s car left the road because of a steering defect that  
was the subject of a recall notice required by NHTSA: the lower pinion bearing in the  
power steering gear could separate. The plaintiff did not adduce evidence as to the  
standard of care. The Nova Scotia Court of Appeal held that the trial judge was  
wrong in granting a non-suit on that basis. The court reasoned:  
113  
The leading authority on the need for expert evidence in professional  
negligence cases is ter Neuzen v. Korn, [1995] 3 S.C.R. 674 (S.C.C.), a  
negligence claim against an obstetrician and gynaecologist. The plaintiff  
contracted HIV from the defendant’s procedure for artificial insemination. The  
procedure occurred in the early 1980s, before the first published case of HIV  
transmission from artificial insemination. There was expert evidence that the  
defendant’s approach complied with gynaecological practices in Canada at  
the time. The jury nonetheless found the defendant negligent. There was no  
non-suit. The Court of Appeal overturned the verdict and ordered a new trial.  
The Supreme Court of Canada dismissed the appeal. The case turned on  
what knowledge of HIV risk was available in the profession at the time of the  
procedure. Justice Sopinka said:  
44 As was observed in Lapointe, courts should not involve themselves  
in resolving scientific disputes which require the expertise of the  
profession. Courts and juries do not have the necessary expertise to  
assess technical matters relating to the diagnosis or treatment of  
patients. Where a common and accepted course of conduct is  
adopted based on the specialized and technical expertise of  
professionals, it is unsatisfactory for a finder of fact to conclude that  
such a standard was inherently negligent. On the other hand, matters  
falling within the ordinary common sense of juries can be judged to be  
negligent. For example, where there are obvious existing alternatives  
which any reasonable person would utilize in order to avoid a risk, one  
could conclude that the failure to adopt such measures is negligent  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 56  
notwithstanding that it is the prevailing practice among practitioners in  
the area.  
114  
I disagree with the judge that the principles respecting expert  
evidence in professional negligence cases support a non-suit of Mrs.  
Johansson’s claim.  
115  
The standard of care for each professional is defined with reference to  
his or her profession. Linden and Feldthusen, Canadian Tort Law, (9th ed.  
2011), p 165, under the heading “Professional Negligence”, states:  
In all these cases, the courts are balancing the interests of the clients  
or patients in receiving skilled service as well as the interests of  
professional people in a certain degree of autonomy in their dealings  
with the community. As always, an uneasy compromise has been  
reached.  
Every recognized professional group has its own individual standard  
a standard to which all the members of the profession must  
conform. Chief Justice McLachlin, for example, has asserted that, in  
conducting an investigation, the standard of care required of the  
police is that of a “reasonable police officer in all the circumstances”.  
Surveyors, for an example, must “exercise a reasonable amount of  
care and a reasonably competent degree of skill and knowledge”. A  
chiropractor’s diagnosis, for another example, must be “sufficient by  
chiropractic standards”. A similar obligation, which is said by some to  
be based on contract, rests on engineers, architects, accountants and  
others.  
It follows that evidence related to the standards of the defendant’s particular  
profession is in order. In ter Neuzen v. Korn, for example, the case pivoted on  
the awareness, in the gynaecological profession, of HIV risk in the early  
1980s, a topic tailored for expert evidence.  
116  
The same cannot be said in this case. GMC’s standard is to use  
reasonable care in the circumstances. From Justice Major’s comments in  
Ryan, those circumstances may, but do not necessarily, include industry  
standards. Expert evidence of industry standards would be relevant, but is  
not legally mandatory for a claim such as Mrs. Johansson’s.  
[Emphasis added.]  
[217] Hans is another case where expert evidence as to the standard of care was  
not necessary. In that case, the plaintiff’s truck lost power when he was driving it on  
a highway. Davies J. found that was caused by an improperly tightened nut when  
the truck was manufactured. Davies J. held that expert evidence as to standard of  
care was not required.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 57  
[218] Those cases are considerably different than the one at bar. The holding in  
Hans was that expert evidence was not required to establish that a reasonable  
manufacturer should ensure that the nuts in its trucks are tightened. This case is  
more complex. Moreover, in Hans and Johanssonunlike herethe defendants did  
not adduce evidence of industry standard or practice.  
[219] It will be seen from the authorities referred to in the above quote from  
Johansson that the courts defer to industry standards where the practice is the result  
of a balancing of factors and the matter is technical. The point is also made (in the  
negative) by L.G. Theall et al, in Product Liability: Canadian Law and Practice  
(Toronto: Thompson Reuters, 2021) (loose-leaf updated 2021, release 1), s. 2.18:  
Evidence of custom will receive less weight where assessing the  
manufacturing method or standard does not require technical knowledge, and  
the trier of fact can therefore determine what was reasonable. Moreover,  
evidence that safer methods existed can diminish the probity of industry  
practice.  
[220] Apart from anything else, the multiple studies and considerations of the issue  
of seatbelts by regulators in both Canada and the United States show that the matter  
here is a technical one. I need not to go as far as to say that it is legally necessary  
for the plaintiffs to adduce expert evidence of the required standard of care, nor does  
Prévost so argue. However, the technical nature of this matter is something that  
must be weighed. In the face of the evidence, it is facile to say that the installation of  
seatbelts was an obvious alternative that any reasonable bus manufacturer ought to  
have adopted.  
[221] For me to conclude that Prévost was negligent in not installing seatbelts, I  
would have to conclude that NHTSA, Transport Canada, and other bus  
manufacturers in North America were equally negligent. That is not something to be  
done in the absence of cogent evidence: Piché v. Lecours Lumber Co. (1993), 41  
A.C.W.S. (3d) 653 at para. 466 (Ont. Ct. (Gen. Div.)).  
[222] In order to conclude that Prévost, the industry and the regulators were  
negligent, I would have to balance at least the following factors:  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 58  
The likelihood of rollover crashes;  
The likelihood of users wearing seatbelts; and  
The likelihood of non-seatbelt users being more severely injured because of  
the stiffening of the seats requited by seatbelt installations.  
The plaintiffs’ expert evidence—to the extent it is admissibledoes not assist in this  
regard. The totality of that evidence amounts to saying that seatbelts could have  
provided better protection in a roll-over. But that point is not in dispute. As I said  
several times, the plaintiffs’ experts did not consider the matter in the larger context.  
[223] I will add that the relationship between the industry and the regulators was not  
a “nudge-nudge-wink-wink” situation where industry and regulators ignore or defer  
consideration of known risks. Nor is it a case such as those against the tobacco  
industry, where the manufacturers were found to have lied and obfuscated to the  
regulators and the public in a concerted manner: Létourneau c. JTI-MacDonald  
Corp., 2015 QCCS 2382, aff’d 2019 QCCA 358 and United States v. Philip Morris  
USA Inc., 9F. Supp. 2d 1 (D.D.C. 2006).  
[224] The plaintiffs point to the European and Australian standards and argue that  
Prévost could have simply adopted them. However, the regulators did not consider  
the testing to have been adequate. Moreover, the tests were for a different bus  
construction using a chassis-on-frame construction. In fact, the European standard  
was found to be too low, being 6.6g compared to the 20g that was eventually  
adopted.  
[225] The plaintiffs provided a timeline of bus accidents involving rollovers to  
establish that Prévost knew of the risk of rollovers and ejection. But once again, in  
the circumstances of this case, it is not for the court to analyse a long list of  
accidentsadduced only through public reports without further analysisand reach  
a contrary determination than the regulators and the industry. Mr. Ridenour (an  
expert called by Prévost) provided telling evidence in cross-examination on this  
point. He stated that the risk of an event happening is a key to the safety design  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 59  
process. Regarding assessing risk, he noted that it was insufficient to look at a  
database and count the number of accidents; rather, the number of accidents has to  
be compared to the number of total passenger miles driven.  
[226] The plaintiffs also point to a 2001 rollover test done by Volvo, presumably in  
Europe. However, that was some three years after the subject coach was  
manufactured. At the time of design and manufacture of the H3-45, Mr. Bolduc said  
there was no engineering collaboration between Volvo and Prévost.  
[227] I conclude that Prévost acted reasonably in its design and manufacture of the  
coach without seatbelts. It followed industry and regulatory standards. The plaintiffs  
have not shown that those standards were negligent or unreasonable or that another  
industry standard existed in North America.  
[228] Therefore, Prévost was not negligent in manufacturing the coach in 1998  
without seatbelts. Nor did the lack of seatbelts make the bus unreasonably safe or  
defective.  
C.  
Was Prévost negligent in not recalling the coach when the retrofit was  
available?  
[229] Ms. Ding summarised her position regarding the retrofit:  
After the Bus was designed and manufactured but before the collision,  
Prevost had an ongoing duty to repair the design defect by developing a  
suitable three-point seatbelt system and taking steps to ensure that seatbelts  
were retrofit onto the Bus to protect passengers from harm of ejection or  
partial ejection in a rollover collision. Prevost breached the standard of care  
by failing to ensure that the Bus was retrofit[ted] with seatbelts prior to the  
collision.  
[230] There are several answers to this allegation. First, I have found that the bus  
was not negligently designed or defective.  
[231] Second, in terms of standard of care, the vast majority of the current bus fleet  
in Canada ran without seat belts. No other coach manufacturer, operator or  
regulator has concluded that retrofits were required. In other words, the bus without  
belts was not and even now is not considered to be a defective or dangerous  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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product. Nor did the regulators consider it to be dangerous: even when the  
mandatory seat belt regulations came into place there was no requirement for  
retrofitting. In fact, as I stated above (para. 111), in March 2016, NHTSA confirmed  
an earlier position against requiring the retrofitting of seatbelts.  
[232] The retrofit was akin to a safety enhancement that is common in the car  
industry. The fact that safety improvements are made does not mean that the  
vehicle was defective to begin with or that the enhancements need be retrofitted at a  
manufacturer’s cost.  
[233] I conclude that Prévost was not under a duty to recall the bus for the  
retrofitting of seatbelts.  
D.  
Was Prévost negligent in using tempered glass instead of laminate  
glass in the passenger windows?  
[234] At the start of the trial, the issue of glass shared centre stage with seatbelts.  
The plaintiffs alleged that the use of tempered glass in the passenger windowsas  
opposed to laminate glassenhanced the risk of ejection in a rollover, especially  
given the lack of seatbelts.  
[235] By the time of the argument, the glass issue exited the stage for the wings:  
counsel for Ms. Ding acknowledged that the case was about seatbeltsbecause it  
could not be shown that any type of glass would have retained the passengers who  
were ejected. I think that acknowledgement was correctly made, as I will detail  
below. But because of that acknowledgement, my reasons will be brief.  
1.  
Background facts  
[236] First, a very basic description of the relevant glass (or glazing) types. Non-  
treated glass is known as annealed glass. Tempered glass is strengthened  
annealed glass. Laminate glass has at least two layers of glass bonded to a middle  
sheet of plastic material. Different types of glass can be used in the laminated  
product. Laminate and tempered glass break differently. Tempered glass breaks into  
little pieces or kernels. Laminate breaks into shards but the shards are held together  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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by the inner plastic layer. I set this out in more detail below when I deal with the  
evidence of Mr. Ridenour, a glazing expert called by the defendant.  
[237] Provided the glass meets the required standard, both laminate and tempered  
glass are allowed for passenger windows in Canada and the United States.  
Windshields are required to have laminated glass.  
[238] Prior to 1997, Prevost had used laminate glass in aluminium frames. In 1998,  
after a research and design project, Prévost switched to tempered glass in frameless  
windows. The frameless windows gave passengers a better view, a considerable  
advantage for a tour bus.  
[239] The proposed change was not without initial debate within the company. At a  
March 1996 meeting, one of the former owners was against the move and  
expressed concern that one serious accident could be detrimental to the company  
and that the transition could be used against it in litigation. At the meeting, Mr.  
Bolduc expressed his view that Prévost’s decision should be guided by the main  
goals of Volvo: quality, environment, and safety. The meeting ended with a decision  
to do further research.  
[240] After further study, including discussions with glass suppliers, it was  
determined that laminate glass did not meet the mechanical strength requirements  
of the frameless design: it broke too easily under the stress transmitted to it by the  
coach structure. It was decided that tempered glass should be used.  
[241] The decision was influenced, in part, by a peer-reviewed paper by a  
preeminent glazing expert, Professor Lawrence Patrick, who was a professor at  
Wayne State University, a leading university for vehicle design in Detroit. One of the  
other experts who testified at the trial, Mr. Richards, referred to Professor Patrick as  
“one of the grandfathers of biomechanics” whose papers are frequently referred to  
by other engineers and in graduate courses. Another expert, Mr. Ridenour, said that  
Professor Patrick was a leading pioneer in human impact tolerance and safety  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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research and that his work formed the basis for many current automotive safety  
standards and features.  
[242] In his paper, Professor Patrick analysed the comparative benefits of  
laminated and tempered glass in several different combinations and concluded that  
tempered glass was the preferred choice. He found that the greater strength of  
tempered glass prevented some ejections and avoided the laceration injuries that  
could take place with laminate glass. He also noted the savings in weight, which  
resulted in the benefit of a lower centre of gravity and therefore more stable vehicle.  
The decreased weight also yields better gas mileage.4  
[243] Although the person at Prévost who consulted Professor Patrick was not a  
witness at the trial, records from a June 1997 project committee meeting notes that  
the glass project and proposed glass type were presented to him “and accepted”.  
2.  
The plaintiffs’ expert witnesses  
[244] Several of the plaintiffsexperts gave opinions on both the seatbelt and glass  
issues. Here I deal only with the latter issue.  
a)  
Gregory Sypher  
[245] Mr. Sypher’s qualifications were set out above.  
[246] With respect to glazing, he was asked the following two questions:  
a) Does the fact that the windows on the Bus were tempered glass, and  
not laminated, pose a safety risk to passengers in a rollover? If “yes”,  
please explain the risk and the potential severity of harm that could  
arise from the risk.  
b) Would laminated windows installed on the Bus at the time of the  
Collision have reduced the likelihood of injuries to the plaintiffs?  
[247] Mr. Sypher’s answer to both questions was that tempered glass increased the  
risk of injury.  
4 L.M. Patrick, “Glazing for Motor Vehicles”, presented at the 39th Stapp Car Crash Conference, Nov.  
1995.  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[248] I concluded above that Mr. Sypher did not have the qualifications to opine on  
the questions put to him with respect to seatbelts. What I said there applies equally  
to glazing and his opinions are inadmissible.  
[249] In any event, little weight could be given to his conclusions. He did no  
analysis of the force on the windows or comparison to what would have occurred  
with the use of laminate glass. His opinion was, in essence, generic.  
[250] Further, he acknowledged in cross-examination that he was asked to assume  
that tempered glass was not a proper form of glazing.  
b)  
Dr. Toor  
[251] I set out Dr. Toor’s qualifications above. Prévost did not challenge them.  
[252] With respect to glazing, he was asked “if the side windows had remained  
intact, whether or not the intact windows would have benefitted the occupants by  
preventing or reducing injuries.”  
[253] Dr. Toor’s response was that if the windows had remained intact, they would  
have operated as a barrier preventing ejection or contact with between the  
passengers and the ground, thereby affording injury reduction benefits. That  
conclusion is not controversial. The issue is the comparison between laminate and  
tempered glass, a question which Dr. Toor does not entertain, nor would that have  
been within his expertise.  
c)  
Dr. Rentschler  
[254] I referred to Dr. Rentschler above with respect to seatbelts.  
[255] With respect to glazing, he was asked:  
Does the fact that the windows on the Bus were tempered glass and not  
laminated, pose a safety risk to passengers in a rollover? If “yes”, please  
explain the risk and the potential severity of harm that could arise from the  
risk.  
[256] His answers were:  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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(a)  
(b)  
The combination of lap-shoulder seat belts and the use of laminated  
glass in the side windows of the subject bus would have mitigated  
and/or prevented significant injuries to the passengers.  
The presence of laminated glass that would not shatter or fail during  
the rollover would prevent occupant impact and interaction with the  
roadway surface and glass fragments, and would eliminate partial or  
full ejection from the bus by the side windows.  
[257] Prévost objects to these questions and answers because it says Dr.  
Rentschler was not qualified to opine on them. I agree: Dr. Rentschler is not a  
glazing expert.  
[258] Moreover, in cross-examination, he contradicted this opinion and said he was  
not offering an opinion on what kind of glass would or would not have survived the  
accident and he was not making any comparison between laminate and tempered  
glass.  
d)  
Mr. Whitman  
[259] I referred to Mr. Whitman earlier in the section dealing with seatbelts.  
[260] With respect to glazing, he was asked:  
Does the fact that the windows on the bus were non-laminated or non-acrylic  
glass, pose a safety risk to passengers in a rollover? If “yes”, please explain  
the risk and the potential severity of harm that could arise from the risk.  
[261] The essence of his response is captured in the following paragraph of his  
report:  
Had the subject bus incorporated well secured advanced glazing, such as  
laminated glass rather than the tempered glass in its side windows, the glass  
probably would have remained in place and provided a protective barrier  
between the ground and the occupants. As a result, no occupants would  
have been fully or partially ejected or contacted the ground.  
[262] Once again, I agree with Prévost that this goes beyond Mr. Whitman’s  
expertise. Moreover, the opinion is provided with no analysis whatsoever; it is a  
“throw-away” paragraph in a report that otherwise deals with seatbelts.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 65  
[263] The opinion regarding glazing is therefore inadmissible or alternatively is to  
be given no weight.  
e)  
Donald Phillips  
[264] Mr. Philips was tendered as an expert to provide opinion evidence:  
[I]n the area of vehicle accident reconstruction, vehicle dynamics and crash  
sensing and occupant restraint systems, engineering specifications and  
designing for safety, and motor vehicle glazing materials including laminated  
and tempered glass.  
[265] He was asked to answer the following:  
a) Would laminated glass installed in the side window positions of the  
Prevost Bus have lessened the risk of full or partial ejection in this ¼  
roll and slide to a stop? If yes, explain why the risk of full or partial  
ejection would have been lessened.  
b) If laminated glass was installed in the side window positions as  
opposed to tempered glass in the Prevost Bus, would laminated glass  
have posed an increased risk for laceration? If “no”, explain the  
reasoning why there wasn’t an increased risk of laceration potential of  
laminated glazing over tempered glass.  
c) Was laminated glass available to be installed at the time of  
manufacture or the Prevost Bus? If “yes”, explain the reasoning why  
and what would be the difference in cost?  
[266] The nub of his opinion is the response to the first question, which is the key  
question with respect to the glass issue. His reply to that question was:  
Yes, laminated glass in window openings prevents ejections.  
[267] Mr. Phillips has a B.Sc. from Lehigh University in mechanical engineering. He  
also has an MBA in computer data management, but that has nothing to do with his  
mandate in this case. He took three five-day courses related to glazing over several  
years.  
[268] After his B.Sc., Mr. Phillips worked at Colgate Palmolive as a production  
foreman. He then joined Breed Automotive Group in 1986, where he worked on air  
bags and sensors for GM and Ford vehicles. He left Breed in 1990 and since then  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 66  
worked as a consultant for litigation and insurance matters. Mr. Phillips  
acknowledged in cross-examination that courts have refused to admit his reports  
with respect to glazing issues on three prior occasions and four times for other  
issues.  
[269] Prévost argues that Mr. Phillips does not have the expertise to answer the  
questions posed to him. It further argues that his evidence is inadmissible on the  
basis of irrelevance given that it is unrelated to the subject bus and based on  
experiments he has carried out on other vehicles. Alternatively, no weight should be  
given to his opinion.  
[270] Apart from his qualifications, there are several matters that lead me conclude  
little or no weight should be given to his opinion, even if admissible.  
[271] In cross-examination, Mr. Phillips agreed that his opinion that “laminated  
glass in windows prevents ejections” was generic. In other words, he did no specific  
testing or analysis to try to replicate what happened in the crash. Mr. Phillips did not  
provide any load calculations or other detailed analysis of the load factors on the  
glass in the current crash.  
[272] It will be noted Mr. Phillipsanswer to the first question, which I set out above,  
is not tied to the subject crash. Mr. Phillips acknowledged that his opinion was not  
that laminate glass will contain the occupants in every crash, but only that it provides  
better protection. Here the central issue is whether the occupants in this accident  
would have been ejected if laminate glass had been used. An opinion that laminate  
glass generally provides better protection is of little, if any, assistance.  
[273] The point is also illustrated by the experiments Mr. Phillips relied on in  
reaching his conclusion, all of which he did for prior projects. Prime among these  
was a test in which he removed a car door with a laminate side window, laid it on its  
side, loaded a 25-kg dog food bag on top of the window, and dragged the door on  
the ground using a rope attached to another vehicle. At the end of the test, the  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 67  
laminate glass was fractured but remained in place. He said this demonstrated that  
laminate glass would have survived the bus crash.  
[274] This test comes nowhere near to simulating the complexity of the accident  
here which involved: the force of the bus on the windows when the left side hit the  
pavement; the force of the occupants on the glass when they hit it while the side was  
still on the ground; and the pressure of the passengers on the window as the bus  
righted itself. As noted below at para 292, the expert called by Prévost, Mr.  
Ridenour, estimated that Mr. Phillipsdog food test was not even one percent of the  
load of the first impact when the bus hit the ground.  
[275] Another example of Mr. Phillips’ testing was the hitting of a window with a  
baseball bat to demonstrate the strength of laminate glass. Not only does that have  
no semblance to the dynamics of the crash in this case, but as pointed out by Mr.  
Ridenour, the glass used in the test was security glass not suitable for vehicles  
because it would cause paraplegia, quadriplegia, or death if a head hit it on a side-  
impact.  
[276] Mr. Phillipsreport refers to a long list of articles and documents that he does  
not have the expertise to evaluate, nor did he put them in perspective. For example,  
he referred to a number of documents from Ford regarding glazing, saying they  
support the use of laminate glass. However, Mr. Ridenour says:  
Mr. Phillips report contains a three page list of a portion of Ford Motor  
Company’s four decades of research attempting to reduce occupant ejections  
though use of stronger window glazing. I worked in Ford Safety Engineering  
during most of that time period and participated in some of that that research.  
Mr. Phillips fails to mention that despite this extensive effort Ford never found  
a safer window material suitable for automotive side windows than tempered  
glass.  
[277] Assuming the report to be admissible, I give it little weight and prefer the  
opinions of the experts called by Prévost to which I now turn.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
3. Prévost’s experts  
a) Jack Ridenour  
[278] Mr. Ridenour was tendered as an expert in:  
Page 68  
mechanical and biomedical engineering qualified to provide opinion evidence  
in the fields of motor vehicle safety design, motor vehicle safety testing, motor  
vehicle safety regulations, and motor vehicle safety glazing systems.  
[279] Mr. Ridenour has an undergraduate degree in mechanical engineering and an  
M.Sc. in biomedical engineering. He is an adjunct faculty member in the biomedical  
engineering department of Wayne State University.  
[280] Mr. Ridenour spent 37 years working with Ford Motor Company, his final  
position being chief engineer, vehicle safety. The department had approximately 125  
engineers and included an accident investigation group.  
[281] At an earlier point in time, Mr. Ridenour said he was asked to become the  
company expert in glazing when its glass manufacturing division was sold: Ford did  
not want to lose its glazing expertise with the sale. Mr. Ridenour said he became the  
“go-to guy” for glazing issues and participated in setting Ford’s glazing policies,  
including specifications for glazing to be used in Ford’s automobiles and trucks.  
[282] Mr. Ridenour said he worked on bus safety at Ford because it manufactured  
chassis for school buses. He was familiar with how buses roll over.  
[283] Mr. Ridenour summarised his opinion at the outset of his report:  
Briefly stated it is my opinion that the decision by Prevost to install tempered  
glass in its 1998 H3-45 was entirely reasonable and in keeping with  
standards in the motor vehicle industry. The use of laminated glass in motor  
vehicles is fraught with perils that did not make it suitable for installation as  
side windows in 1998. I am also of the opinion that if laminated glass was  
installed in the 1998 H3-45 that glass would also have likely failed and led to  
ejection of passengers. The laminated glass may well have also caused more  
severe laceration injuries.  
[284] Mr. Ridenour’s report began by noting that the U.S. and Canadian standards  
(which are closely coordinated) in place since 1967 identified tempered glass as  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 69  
appropriate for use in side windows of vehicles. There was never a requirement for  
use of laminate glass.  
[285] He noted that the use of laminated glass was primarily for windshields, to  
prevent flying debris or stones from piercing the glass and to maintain driver visibility  
in the event of a fracture. However, for side-windows, the use of tempered glass is  
the preferred option and the one which is invariably used in the industry. This is  
because laminated glass has two serious disadvantages: it is weaker than tempered  
glass and creates an increased risk of laceration to passengers if the glass fractures.  
[286] Mr. Ridenour described the three types of laceration risk associated with  
laminated glass:  
An event gruesomely referred to as “horse-collaring”, where an occupant’s head  
goes through the glass but is stopped by the shoulders, exposing the neck to  
severe laceration from the jagged edge of the hole in the glass.  
Small fragments of the laminated glass that, when fractured, enter the human  
eye. During the time required to reach medical care and remove the fragment,  
movement of the patient’s eye continues to increase damage to the eye. These  
types of fragments are particularly difficult to remove and cause permanent  
serious eye injury including blindness.  
The vinyl interlayer of laminated glass tends to hold fractured surfaces of glass  
together. When displaced, the vinyl hinges along the glass fracture lines,  
exposing the fractured edges of the glass in a ridge that has sufficient rigidity to  
pose a severe laceration hazard not present with tempered glass.  
[287] Mr. Ridenour said that virtually all motor vehicles made in 1998 to the present  
use tempered glass for the side windows. The one exception was a few high-end car  
manufacturers such as Rolls Royce, where laminate glass was used to provide  
better soundproofing. However, the risk of laminate in those vehicles was mitigated  
by the use of side air bags.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 70  
[288] He added:  
Ford and Volvo first introduced heat strengthened laminated glass for sound  
mitigation in their 2003 premium SUVs. Rollover crash tests of a large Ford  
SUV and a Volvo XC90 equipped with these laminated windows demonstrate  
the inability of even heat strengthened laminated side glazing to restrain a  
single unbelted occupant per window in typical highway-speed rollovers.  
These tests were reported in a peer reviewed paper published by the SAE in  
2007, SAE 2007-01-0367, “An Evaluation of Laminated Side Window Glass  
Performance During Rollover” (Attachment G) which concluded that even this  
high tech laminated glass is not suitable for occupant retention. In my  
opinion, this research data clearly demonstrates that these advanced glazing  
laminates would be even less effective for occupant retention in the large  
windows of motor coaches where multiple occupants can load a single  
window.  
[289] Mr. Ridenour said that in the face of the research by Professor Patrick  
(referred to above), it would have been irresponsible for Prévost to have used  
laminate glass in the side windows.  
[290] With respect to the question of whether laminate glass would have survived  
the collision, Mr. Ridenour referred to the multiple forces that the windows were  
subjected to in the crash:  
a) the left side of the bus fell more than 3.7 m (12 feet) onto the pavement and  
was subsequently loaded with the impacts of multiple occupants falling onto  
the window surface;  
b) sustained contact of the windows with the road surface when the bus slid on  
its side; and  
c) the impact with the ground on the opposite side of the road and the lifting of  
the bus into an upright position with the additional loading of the passengers  
onto the glass as the bus was lifted.  
[291] In cross-examination, Mr. Ridenour said that the severest impact to the  
windows was when the side of the bus slammed into the ground. The windows likely  
fractured on that impact.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 71  
[292] As mentioned, Mr. Ridenour said that Mr. Phillips’ dog food bag test simulated  
not even one percent of the load on the glass when the bus first hit the ground:  
Mr. Phillips describes demonstrations he conducted of a car door with 40  
pounds of dog food, later increased up to 190 pounds, being dragged on  
pavement as evidence that laminated glass would survive this accident.  
These static loadings are insignificant compared to the impact and sliding  
loading produced by this 45,000 pound bus. The small recessed glass  
window used in these demonstrations is approximately one eighth the size of  
the bus side windows, and produced nowhere near the stresses that would  
be produced in a bus size window. None of these demonstrations included  
even a single impact or inertial loading to the glass. Without the similar  
window size, similar static loading, any inertial loading, or impacts, these  
demonstrations have no relevance to the performance of a laminated window  
in this accident sequence.  
[293] Further, Mr. Ridenour noted that the laminate windshield of the bus  
completely vacated, whereas the tempered glass on the right side on the bus  
remained intact.  
[294] He concluded that no glass would have survived the crash:  
Of course, in a motor coach with large panoramic windows the occupant  
weight would be thrown into a much larger window thus creating even higher  
stresses than the NHTSA loading tests. For example, in this accident multiple  
occupants impacted the left side large windows. These occupants were  
thrown from up to eight feet onto the glass windows. The window in which  
Ms. Hua Li Pan was ejected was also impacted by multiple other passengers  
during the rollover and was loaded by multiple passengers when the bus  
suddenly rotated back on its wheels. This level of window loading far exceeds  
the 40-pound fractional occupant weight researchers were unsuccessful in  
safely retaining in the decades of NHTSA and auto industry research. Clearly  
no alternative glazing material or window design could have safely retained  
the impacts and weight of multiple occupants on a single large bus window.  
Indeed, it is my opinion that even if laminated glass was used in the subject  
bus it almost certainly would have failed and led to ejection of the occupants  
because of its lower strength. Moreover, when it failed it may well have  
caused more catastrophic injuries because of its increased laceration risks.  
[295] Mr. Ridenour was far more qualified than Mr. Phillips and his evidence was  
not undermined in any major way.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
b) Mr. Richards  
Page 72  
[296] I introduced Mr. Richards in the prior section dealing with seatbelts. He was  
also asked to give his opinion on whether laminated glass would have been effective  
in mitigating injuries.  
[297] Mr. Richards noted the expected movement of the passengers in the  
accident:  
In rollover accidents with high roll rates, occupants tend to move away from  
the vehicle’s center of gravity, moving upwards and outwards, but given the  
low roll rates in the subject incident this motion would not dominate the  
occupant kinematics. As the motorcoach tipped towards the driver’s side  
eventually slamming down onto the road, gravity would have pulled the  
occupants towards the left side of the motorcoach. It is expected that all the  
occupants would have been thrown predominately leftwards, but also  
somewhat forwards as a result of the motorcoach decelerating in the  
longitudinal direction. The leftward occupant motion relative to the vehicle  
interior would continue until arrested by contacts with interior vehicle  
structures, perimeter contacts, occupant contacts, or exterior contacts.  
[298] He calculated the force at which the plaintiffs would have hit the glass. In  
cross examination it was put to him that this was done in a general way, not  
calculated precisely to the movements of Ms. Ding. He acknowledged this was the  
case but responded that the matter could not be done with precision:  
Q
Right. And I took because you did that in a sort of -- I don't mean this  
in a pejorative way, but you did that in a general way. My question  
was you didn't do that in a specific, calculated way towards the  
kinematics of Ms. Ding; right?  
A
Yeah, I mean, when I talk about her injuries, I talk about possible  
interactions with other occupants and the windows, but yeah, I mean,  
specifically identifying, like, every contact and every movement, you  
know, of all the occupants coming from the far side of the bus with  
potential contacts to Ms. Ding, no, I mean, I don't think that level of  
detail is even possible, to be quite honest.  
Q
A
But I'm trying to move away from the word "potential," which I think  
means speculation, and I'm trying to just confirm that you didn't do it in  
a specific sense; right? You didn't do that calculation. You didn't try to  
-- and maybe you weren't asked to. I don't know.  
Well, I mean, it's rather chaotic when this happens and you get  
everyone piling over to the left side of the bus. The exact interactions  
 
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of an elbow from one occupant to the torso of another occupant, no, I  
mean, I didn't -- I wasn't able to figure that out.  
[299] Mr. Richards concluded that it was highly unlikely that laminate glass would  
have acted as an effective countermeasure for ejection. He also said that the large  
shards of glass associated with fractured laminated glass would have resulted in an  
increased risk of serious laceration.  
4.  
Analysis: glass issue  
[300] I place little weight on the plaintiff’s experts because of the deficiencies I  
pointed out above. Mr. Ridenour had vast experience in the field of motor vehicle  
glazing and was a credible expert. While Mr. Richards was not a glazing expert, his  
background allowed him to assess the likelihood of laminate glass surviving the  
crash.  
[301] The industry standard was to use tempered glass in the side windows. Mr.  
Ridenour explained why that was the preferable choice.  
[302] I conclude that the coach was not negligently designed because it used  
tempered glass, whether in and of itself, or in combination with the lack of seatbelts.  
[303] I further concludeas the plaintiffs concededthat laminate glass would not  
have survived the crash intact and prevented ejection. It might even have caused  
further injury.  
III.  
LIABILITY OF UNIVERSAL AND CANAM FOR NEGLIGENT SUB-  
CONTRACTING  
[304] The case against Universal and CanAm is, in essence, for negligent sub-  
contracting. This breaks down into two broad allegations:  
a) Universal and CanAm ought to have ensured that any bus operator they  
contracted or sub-contracted with operated a bus with seatbelts; and  
b) In selecting a subcontractor, Universal and CanAm had a duty to inquire as to  
its hiring, training, and safety practices. As Ms. Pan argued, had they  
     
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Page 74  
exercised their due diligence, they would have forced Western to put in place  
the training that might have avoided the accident, or they would have found  
another operator.” This argument largely hinges on the allegation that the  
accident was caused by fatigue.  
[305] CanAm and Universal were in different positions. To recap, CanAm  
contracted with Universal for the provision of a bus and driver. Universal did not  
have a bus available, so they sub-contracted Western for the bus and driver for the  
tour. Universal made the decision to farm the tour out to Western and had a direct  
relationship with it. CanAm’s relationship was with Universal. However, it is a  
difference without a distinction and one not raised by the parties. This is so because  
Universal’s engaging of Western was done with the knowledge and consent of  
CanAm. I will therefore treat their duties as the same for the purposes of this  
judgment.  
[306] There is no contest that Universal and CanAm owed a duty to exercise  
reasonable care in selecting a sub-contractor or sub-sub-contractor. The issue is  
what that duty entailed.  
A.  
Lack of seatbelts  
[307] I concluded in the previous section with respect to Prévost’s liability that  
buses manufactured without seatbelts were not hazardous or defective and that  
there was no duty to warn potential passengers that the bus did not have seatbelts. I  
also concluded that the fact that Prévost began to manufacture its buses with  
seatbelts in 2009 and offered a retrofit kit in 2010 did not make the previously non-  
hazardous bus into one that was hazardous. Rather, the seatbelts were an  
evolutionary and incremental safety feature.  
[308] In light of that, CanAm or Universal cannot have been negligent in engaging a  
bus that did not have seatbelts.  
[309] Although my decision does not hinge on this, I note that to conclude  
otherwise would be to impose a duty on the tour industry to only hire buses with  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 75  
seatbelts and an obligation on the bus industry to only operate with seatbelts. But  
that would have been an impossibility because there were simply not enough  
busesnor are there nowto meet that requirement. Once again, this is a tightly  
regulated industry and to “reform” it in that sweeping a manner should be the role of  
a regulator.  
[310] In conclusion, Canam or Universal were not negligent in engaging a bus  
operatorWesternthat did not employ seatbelts.  
B.  
Failure of Universal and CanAm to investigate training and safety  
planning at Western  
[311] I set out the essence of the plaintiffsposition on this point above at para.  
304(b). Ms. Pan argued that Mr. Spittal was not provided with the minimum training  
required by the relevant legislation. In particular, he was not trained on how to detect  
if he was sleeping sufficiently. She says that if Universal had undertaken proper due  
diligence, the woeful lack of occupational health and safety at Western would have  
been exposed long before Mr. Spittal was ever dispatched to operate the Tour Bus.”  
[312] Ms. Pan’s argument hinges on showing all of the following:  
a) Universal should have investigated the training procedures at Western, but  
did not do so;  
b) The accident was caused by fatigue;  
c) Proper training would have allowed Mr. Spittal to recognise that he was  
fatigued or would become fatigued; and  
d) If Universal had done a proper investigation, it would have realised Western’s  
training was deficient and not have engaged Western or at least not allowed  
Mr. Spittal to be assigned as a driver.  
The first of the above items concerns the standard of care and its breach; the  
remaining items concern causation.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
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[313] For the reasons that follow, I conclude the plaintiffs fail on all of the above.  
1.  
Did Universal’s duty of care to the plaintiffs require it to  
investigate Western’s training and safety procedures?  
[314] Once again, there is no real dispute that Universal and CanAm owed a duty  
to exercise reasonable care in selecting a carrier. The issue is what that standard  
entailed. The duty of care propounded by the plaintiffs posits an audit by Universal of  
Western’s training programmes. For their part, CanAm and Western say it was  
sufficient to have relied on the licensing of Western.  
[315] The regulatory regime concerning the bus transport of passengers is relevant  
to this issue. It is, again, highly regulated.5  
[316] The regulatory regime applicable to this case includes the following:  
a) The BC Passenger Transportation Act, S.B.C. 2009, ch. 39, and the  
Passenger Transportation Regulation, B.C. Reg. 266/2004;  
b) Parts of the Motor Vehicle Act that apply to passenger transportation  
licensees;  
c) Parts of the Motor Vehicle Act Regulation, B.C. Reg. 26/58, that apply to  
passenger transportation licensees, and in particular, Division 10:  
Commercial Passenger Vehicles, Division 25: Vehicle Inspection and  
Maintenance, and Division 37: Safety Code;  
d) The Motor Vehicle Transport Act, R.S.C 1985, c. 29; and  
e) The Commercial Vehicle Drivers Hours of Service Regulations, SOR/2005-  
313.  
[317] All operators of commercial transport vehicles are required to have a  
passenger transport licence (PT License).  
5 The description of the regulatory regime is largely taken from Universal’s argument.  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 77  
[318] As set out in an agreed statement of facts:  
a)  
Since 1989, to obtain a PT Licence in BC, the applicant must first acquire an  
NSC [National Safety Code] Certificate by applying through the NSC office of  
the Commercial Vehicle Safety and Enforcement (“CVSE”), a department of  
the Ministry of Transportation and Infrastructure (“MOTI”) in the Province of  
B.C.  
b)  
c)  
An NSC Certificate is required when operating commercial vehicles weighing  
in excess of 5000 kg, including passenger transportation vehicles.  
Applicants are required, among other things, to provide the following:  
i.  
ii.  
a business name/number as registered in the Province of B.C.;  
a BCeID;  
iii.  
a safety plan demonstrating the establishment of and the ability to  
maintain practices and procedures necessary to ensure that the  
company complies with the Passenger Transportation Legislation;  
and  
iv.  
descriptions of the types and sizes of vehicles to be operated under  
the NSC Certificate.  
d)  
Once the NSC Certificate is awarded, the applicant can then apply for a PT  
Licence, under either a General Authorization (“GA”) or a Special Authorization  
(“SA”) or a combination of both types of authorizations.  
e)  
f)  
A GA is awarded for PT Licensees not providing SA services under the  
Passenger Transportation Legislation.  
Examples of SA services include Intercity Bus Services (“ICB”), which involve  
scheduled bus services operated over set routes and time between  
municipalities, or Passenger Directed Vehicles (“PDV”) which include  
limousine and taxi services, operating vehicles with a capacity of 11 or fewer  
passengers.  
g)  
When applying for a PT Licence, the applicant provides:  
i.  
ii.  
its NSC Certificate number;  
a non-refundable application fee of $200;  
the nature of its business;  
iii.  
iv.  
what the vehicles will be used for;  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 78  
v.  
vi.  
size and type of the vehicle, make, model, year;  
where the vehicles will be operated;  
vii.  
viii.  
its service fee structure and how it is paid; and  
a signed Vehicle Safety Compliance Declaration.  
h)  
i)  
If a GA is being applied for, the Registrar of Passenger Transportation at the  
Passenger Transportation Branch will award the licence if all criteria are met.  
If a SA is being applied for, the Registrar of Passenger Transportation refers  
the application to the Passenger Transportation Board in Victoria who then  
assumes the responsibility of approving or denying the SA.  
j)  
Upon approval of the PT Licence, the applicant must submit to the Registrar of  
Passenger Transportation:  
i.  
a copy of the current insurance/registration documents for all  
vehicles indicating the insurance rate class (area of operation), the  
applicant's NSC number and the Commercial Vehicle Inspection  
Type (semi-annual or annual); and  
ii.  
a copy of the current Commercial Vehicle Inspection.  
[319] In order to obtain an NSC Certificate, the applicant must develop a safety  
plan approved by the NSC office. The plan must:  
include all the principles of management, compliance, monitoring, drivers’  
hours, and driversfiles;  
set out the fleet, hours of service, record keeping requirements, maintenance  
files, maintenance plans, logbooks, driver files and driversabstracts; and  
name the individuals responsible for the various components of the NSC, and  
those individuals are required to take a knowledge test. Once the NSC  
Certificate is awarded, the applicant can then apply for its PT License.  
[320] In order to obtain and maintain a PT Licence, licensees are required to  
ensure its drivers are licensed, compliant with proper training, and operating under  
the guidelines of the PT Licence.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 79  
[321] Moving to the facts of this case, the sub-contracting of bus services from one  
bus operator to anotheras was done hereis known in the industry as “farming-  
out”. A farm-out is done by one PT licensee to another and the ultimate provider of  
the services operates under its own PT license. Universal and Western both held PT  
licenses.  
[322] Farming-out is a common practice in the industry and one used frequently in  
the past between Universal and Western, including for CanAm tours. Universal  
worked with Canam and provided passenger transportation services for Canam’s  
tours since 2002. Between 2011 and 2014, Universal farmed-out passenger  
transportation services to Western over 260 times. A witness from a company  
unrelated to the parties said it would be impossible for the bus industry to work  
without the ability to farm-out. He testified that in 2005, the company he worked for  
farmed-out 992 out of its 3,711 bus orders.  
[323] The evidence shows that Western was well known as a reputable PT  
Licensee. It had extensive experience with the type of four-day Rocky Mountain  
tours that was underway when the crash occurred. Western:  
held a valid inter-provincial operating licence in Alberta;  
was part of the Unified Carrier Registration;  
was a member in the International Fuel and Taxation Authority program;  
had all of its vehicles inspected and approved as school buses; and  
held a valid US Department of Transport (USDOT) Certificate to operate in  
the US.  
[324] Mr. Tong of Universal testified that Universal’s usual farm-out practice each  
season included:  
a) confirming that the operator’s PT Licence was current;  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 80  
b) reviewing the binders in the vehicles of the other PT Licensees to check the  
PT, up to date vehicle insurance registration and other documents;  
c) an annual review or confirmation of the safety ratings of contractors from the  
USDOT (which is available online); and  
d) visual inspections of the vehicles of the other PT Licensees to ensure proper  
affixation of vehicle safety inspection and insurance decals, license plates,  
and copies of certificates of insurance registration and Passenger  
Transportation Legislation licensing in the vehicles.  
[325] Mr. Tong testified that he checked the binders in the Western buses at the  
start of the 2014 tourist season.  
[326] Universal and CanAm point out that an NSC (National Safety Code)  
compliance review of Western was completed three months before the accident,  
with a satisfactory result. During a typical compliance review, an NSC officer  
examines the company’s records at its place of business including the bus records,  
driver files, driver logs, and the company’s safety profile. Western’s 2014 compliance  
review noted that Western was following its safety plan. The comment in the  
“General Remarks” section was:  
Overall the records are in good order, however, it was noted that there were  
areas which the carrier needs to pay more attention to in order to keep NSC  
points down. Notably, drivers are not handing in Violation tickets, and some  
CVSA Inspection reports. Some have been OOS inspections. This inspector  
did not see any meaningful discipline on the drivers' files for NSC infractions.  
Maintenance Records are well kept. Safety Plan and company policy are on  
drivers' files.  
There were some deficiencies noted, but they were minor. None of them were  
relevant to any of the issues here and Western was not told to cease operations.  
[327] Western’s satisfactory compliance review not only goes to causation (if the  
review did not disclose relevant deficiencies, neither would a similar review by  
Universal) but is also illustrative of the standard of care proposed by Ms. Pan. Ms.  
Pan dismisses the significance of the compliance review on the basis that it is limited  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 81  
to a small sample of records examined over a half day. In effect, her argument is  
that Universal ought to have done more than the regulator and reviewed more  
records and spent more time doing an investigation. There is no support for that in  
the evidence, in the law, or in common sense.  
[328] Ms. Pan emphasized that a safety plan is a central element of the workers  
compensation regulatory regime. But that reinforces the conclusion that Universal  
was entitled to rely on the enforcement regime and cannot be expected to conduct  
its own audit.  
[329] The plaintiffs rely on references to the high standard of care owed by a public  
carrier made in several cases, for example Zhang v 328633 B.C. Ltd., 2020 BCSC  
1521. However, those cases concern the manner of driving and not the issue of  
selection of a bus operator.  
[330] I conclude that in the absence of any specific knowledge sufficient to raise  
concernswhich did not exist here—Universal was entitled to rely on Western’s  
licensing and regulatory compliance. It was not required to do an audit of Western’s  
safety practices any more than a tour company engaging Air Canada for a charter  
flight would be expected to examine the records of its pilot training and safety  
operations.  
[331] That is sufficient to dispose of the action against Universal, but I will  
nevertheless address causation.  
2.  
Was the accident caused by fatigue?  
[332] The arguments on the liability of CanAm and Universal for negligent  
subcontracting hinge on the accident having been caused by Mr. Spittal falling  
asleep at the wheel and drifting onto the rumble strip. The defendants (other than  
Prévost, which is not concerned with this issue) say that has not been proved. They  
submit that Mr. Spittal had a lapse of attention. They point to the fact that the  
accident could also have been caused by a medical event, although neither side  
brought forward any evidence bearing on that point.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
a) Mr. Spittal  
Page 82  
[333] When the accident happened Mr. Spittal was 63. He started work with  
Western the month of the accident, but had 20 years of prior driving experience.  
[334] Mr. Spittal started his driving career driving working for Metro Transit for four  
years, driving city buses in Vancouver. After his training with Metro Transit, he  
obtained his class two licence which entitled him to drive buses. He upgraded to a  
class 1 license which allowed him to drive any vehicle, including semi-trailers.  
[335] Mr. Spittal also had experience driving intercity buses for Jim’s Limo,  
including large 47-passenger buses. Some routes were local day trips, and some  
took Mr. Spittal out of town or involved driving overnight.  
[336] Mr. Spittal’s last job before Western was as a driver for Brinks Canada  
Limited where he worked for approximately 20 years. He drove two-day, three-day  
and five-day runs around British Columbia. He drove the Coquihalla Highway  
regularly, up to four days per week. The Brinks truck was a 43-foot tandem truck and  
had a crew of three, who would spell each other off for the driving.  
[337] In 2013, when he was 63, Mr. Spittal retired from Brinks with an accident-free  
record. He quickly became bored and started looking for part-time work. He applied  
to Western and was hired.  
[338] Mr. Spittal was assigned to driving the Rocky Mountain tours. Although his  
preference was not for multi-day tours, he had no concerns about doing them if they  
stayed within the driving limits imposed by the National Safety Code, which they did.  
He did two previous tours before the crash. On one of them, he had a “fender-  
bender” with a parked car.  
[339] I will return to more of Mr. Spittal’s evidence later but note here that no  
serious challenge was made to his credibility or his evidence. I find him to have been  
a credible and reliable witness.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
b) The tour before the accident  
Page 83  
[340] As I mentioned above, the bus was returning from a four-day Rocky Mountain  
tour when the crash occurred. The tour followed a fairly standard itinerary, both for  
CanAm and for other tour companies. For CanAm, it was same tour that it had been  
doing since 1990 with minor adjustments.  
[341] Day one of the tour started in Richmond, stopped in Kelowna and ended in  
Salmon Arm. Day two went from Salmon Arm to Banff through the Rocky Mountains.  
On Day three, the tour went from Banff to Lake Louise and the Columbia Icefields in  
Jasper National Park. Day three ended in Golden, BC. Each day involved several  
stops at sightseeing destinations when Mr. Spittal was able to rest. On the last day  
of the tourthe day of the accidentthe bus drove from Golden to Kamloops,  
making two stops before stopping again for lunch at the Lotus restaurant in  
Kamloops.  
[342] When Mr. Spittal was exiting the parking lot after lunch on the last day, he  
scraped a luggage door of the bus against a cement curb. The door remained  
secure and the tour proceeded after Mr. Spittal and Mr. Yu called their respective  
companies to report the incident. Mr. Yu said the damage was cosmetic. Mr. Yu said  
he asked Mr. Spittal if he was OK, but he had no concerns about his state of health  
or fatigue.  
[343] There was another incident the day of the accident which the plaintiffs rely on.  
The bus hit and killed a dog on the highway. Mr. Spittal said the dog ran out in front  
of the bus and to swerve to avoid it would have been too dangerous.  
[344] The tour was described by other drivers and the administrative witnesses  
from Western as an easy one for a driver because of its frequent long stops at tourist  
attractions during which the driver had no duties and could rest as he or she wished.  
[345] I provide further details of the tour schedule the day before and day of the  
accident below.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
c) The accident  
Page 84  
[346] The accident occurred on August 28, 2014 on the southbound lanes of the  
Coquihalla highway approximately 22 kms south of Meritt. Although the bus had  
previously gone through a localised squall, at the time and location of the accident,  
the weather was bright and clear. The road was dry.  
[347] The accident was fully captured by a dashcam video in a trailer-tractor rig  
operated by George Eyre.  
[348] Describing what the video shows, the truck was in the right-hand lane of two  
southbound lanes approaching a moderate curve to the right when the bus began to  
pass. The road turned into three lanes and the truck continued in what became the  
far-right lane. The bus passed the truck and shortly after moved into the middle lane.  
Whether there was a steering input to make the lane change versus ending up in the  
middle lane because of the curvature of the road is a matter of debate. No turn  
signal was visible.  
[349] The bus carried on and instead of negotiating the curve to the right, it  
maintained a straight course. Its left wheels contacted the soft shoulder of the  
median and it is common ground that Mr. Spittal attempted to correct course and  
steered to the right sharply. The bus started to lean over onto its left side as it edged  
back into the lane. It then tipped over or “trippedonto its left side when it reached  
the middle lane and slid on its side across the southbound lanes to the far right,  
hitting the earth of the right-hand shoulder. On the video, the bus disappeared into a  
cloud of dirt caused by the crash. The truck pulled up to the bus, which had  
uprighted itself on the right shoulder. Some passengers were on the ground; others  
were standing visibly stunned. Debris was on the roadway.  
[350] Although not visible on the video because of the dirt cloud, it is common  
ground that the bus was forced back up into the upright position when its tires  
furrowed into the earth on the right-hand shoulder. It is also common ground that the  
bus tripped because Mr. Spittal over-corrected when the wheels contacted the left  
shoulder.  
   
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 85  
[351] Mr. Spittal did not recall the accident. He said:  
I recall driving uphill in one of the two lanes on the left-hand side. There was  
three lanes. And in the right lane was a semi, and I passed the semi, and the  
next thing I know I've been in an accident and I have no memory of  
whatsoever happened.  
. . .  
Well, that's the only thing I do remember after the accident that, you know, I  
had been in the accident, and but what caused it, I have no idea. I just have  
no memory of the cause of the accident.  
. . .  
The only thing I can recall is that I was travelling uphill past the semi. The  
next thing I knew I had been in an accident and was, yeah, off the highway. . .  
. And in between that I have no memory.  
[352] Mr. Spittal was airlifted to the hospital with a large bump on his head and  
fractured ribs. When in the hospital he recalled “passing in and out of  
consciousness”.  
[353] Speed is not a factor in the accident, but Mr. Eyre (the truck driver) estimated  
the bus was travelling at no more than 90 to 100 km/h when it passed him. He  
described the bus as driving straight into the left ditch.  
[354] As I said, Prévost has no stake in this issue, but called an expert, Mr.  
Beauchamp, who performed a reconstruction analysis of the accident. He had been  
asked by Prévost to assume that the driver fell asleep and did not offer an opinion  
on whether that was likely the case. His report did say that: [T]he driver was  
inattentive to the driving task for a prolonged period.”  
[355] In cross-examination, Mr. Beauchamp was asked if he could calculate the  
total time of lack of steering input. He stated he had not analysed that and added:  
I do know the path from when the bus comes into view in the camera until  
when it goes off the road is basically like a constant curvature more or less  
through that time, and there doesn't appear to be much, if any, steering going  
on and the bus is basically moving to the right on the road and then back over  
to the left.  
So more over -- over the majority of that period I think that would stand as  
stated. I don't know when -- I've been trying to figure out specifically when  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 86  
this transition is. In other words, you know, when the driver of the bus  
perceived that he needed to steer, for example; I haven't done that work.  
[356] Again in cross, Mr. Beauchamp estimated that there was approximately a two  
second gap between the time the wheels touched the rumble strip and the steering  
correction.  
[357] From the video, the time between when the bus comes into view in the  
dashcam video to the time it reaches the rumble strip is approximately ten seconds.  
[358] Ms. Ding’s reconstruction accident expert, Dr. Toor, said in his report:  
Phase 1: Lane change to the right  
This part of the bus dynamics appears to be “normal” driving. A force known  
as centripetal force would have kept the bus on an arced path while changing  
lanes; it would have been directed inwards toward the center of the arced  
path. The occupants inside the bus would have experienced equal and  
opposite force, called centrifugal force.  
[359] The RCMP reconstruction expert, Sgt. Nightingale, appeared to interpret the  
move into the centre lane after the bus passed the truck as deliberate. In his report,  
Sgt Nightingale annotated the frames of the video and noted:  
Bus enters the middle lane as the highway changes from two to three  
southbound lanes. Bus pulls in front of Commercial vehicle. Within a second  
bus starts to cross into the far right lane.  
And then:  
Bus travels as far as its going to to the right then begins its drifting motion to  
the left. The roadway is curving slightly to the right so this drifting action could  
be consistent with the curvature of the road and not from a steering input.  
[360] Mr. Yu described the moments before the accident:  
I remember going down the highway like the little hill, and then he changed  
lane from slow lane to fast lane. And then on the left -- he was doing normal  
with signal and stuff. After we climbed the little hill taking a right kind of  
normal way like a right curve like slowly the rumbling strips, then I turned  
around and then the flash and it happened.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 87  
[361] Ms. Yao was sitting directly behind Mr. Spittal. She said she was concerned  
about Mr. Spittal because of the dog incident and because he had spilled coffee on  
himself earlier (not when driving) and appeared upset about it. She was keeping a  
close watch and checking the speedometer. She said she saw Mr. Spittal yawn.  
When asked about what she recalled about the accident happening she said:  
Because I had been keeping watch, so I was keeping an eye on him. So then  
I noticed that the driver kind of slid onto the left side of the road. There was a  
point of -- on the road that was sloping down and he was directly going down.  
And then I realized that there was a serious problem and it's not just a simple  
thing as going into another lane. And then the tour guide started running --  
dashing towards the driver and calling his name, and then the driver started  
to very quickly turn the steering wheel and then the car started sort of almost  
like flying over.  
It would, of course, have been impossible for Mr. Yu to have run over to Mr. Spittal  
as Ms. Yao said, and Mr. Yu did not say he did that.  
d)  
Analysis: cause of the accident  
[362] There is no direct evidence as to why Mr. Spittal failed to negotiate the curve.  
As I noted above (para. 351), he said he did not recall anything between passing the  
semi-trailer and ending up off the highway after the accident.  
[363] The plaintiffs argue that the only inference to be drawn from the evidence is  
that Mr. Spittal fell asleep at the wheel. They point to the fact that there is no  
evidence of other distractions or that he was on medications.  
[364] Mr. Spittal denies he was fatigued. He said he had a regular night’s sleep the  
night before the accident and had no recollection of feeling tired on the last day of  
the tour or any point during the two previous Rocky Mountain tours. He was given  
the tour itinerary before the tour, and had no concerns about the amount of driving  
time because he was satisfied it would keep him within his allowable hours of  
service.  
[365] Mr. Spittal’s driving schedule on the day before the crash was:  
. 6:45 am7:00 am (pre-trip inspection)  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 88  
. 7:00 am8:15 am (on duty driving)  
. 8:15 am11:15 am (off duty break, passengers touring around Lake Louise)  
. 11:15 am1:30 pm (on duty driving)  
. 1:30 pm4:30 pm (off duty break, passengers had lunch and went to  
Columbia Icefield tour)  
. 4:30 pm8:00 pm (on duty driving from Columbia Icefield to Golden, BC)  
[366] On the day of the crash his schedule was:  
. 6:45 am8:45 am (on duty driving, 2 hours)  
. 8:45 am9:15 am (off duty break, passengers stop at Golden Spike)  
. 9:15 am11:15 am (on duty driving, 2 hours)  
. 11:15 am12:15 pm (off duty break, passengers stop at Ginseng factory)  
. 12:15 pm12:30 pm (on duty driving, 15 minutes)  
. 12:30 pm1:15 pm (off duty break, lunch)  
Therefore, prior to lunch on the day of the crash, Mr. Spittal had driven a total of four  
hours and fifteen minutes, broken up by two breaks totaling one and a half hours.  
Mr. Spittal had a 45 minute lunch break before resuming the tour at 1:15 pm. The  
bus crashed at 2:30 pm.  
[367] Mr. Spittal said he had plenty of time during each day in which he could take  
a break for “just relaxing, taking it easy”. He said if he had needed a break at any  
point at any other point, he would have taken one.  
[368] Mr. Yu did not observe any signs of fatigue in Mr. Spittal throughout the tour.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 89  
[369] As set out above, Mrs. Yao was sitting behind Mr. Spittal keeping on eye on  
him and the speedometer. She did not say she noticed him fall asleep immediately  
before the accident.  
[370] Some minor errors were noted in Mr. Spittal’s log books, but there is no  
evidence of over-driving in the log books or otherwise. Moreover, the tour schedule  
makes that a virtual impossibility, unless Mr. Spittal was taking the bus for joy rides  
in the night.  
[371] The plaintiffs point to the fact that Mr. Spittal was diagnosed with sleep  
apnea, but that was in 2016, two years after the accident. Without expert evidence, it  
is of little assistance to establishing that he had that condition at the time of the  
accident. And even if he did, he was unaware of it. My judgment does not rest on  
this, but I note that there was no expert evidence regarding the possible effects of  
sleep apnea.  
[372] Although it does not appear that Mr. Spittal used the lane-change signal, the  
evidence of whether the initial lane change to the left after the bus passed the truck  
that I set out above was inconclusive. This includes the evidence of the  
reconstruction experts who were not initially asked to address the point when  
preparing their opinions.  
[373] The fact that Mr. Spittal did not recall anything from the time he passed the  
bus until after the accident cannot be indicative of him having fallen asleep because  
one thing is certain: the over-correction to the right was deliberate. If the vibration of  
the rumble strip had woken Mr. Spittal up, as the plaintiffs allege, he would likely  
have remembered that.  
[374] I conclude that the plaintiffs have not proven that Mr. Spittal fell asleep at the  
wheel or that the accident was due to fatigue. It is just as likely that it could have  
been caused by inattention.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 90  
3.  
Assuming the accident was caused by fatigue, would a training  
programme at Western or a fuller inquiry by Universal of Western  
have avoided the accident?  
[375] For the sake of completeness, I will assume here that I was wrong in my prior  
conclusion and that the accident was caused by fatigue. The question then is  
whether training of Mr. Spittal would have allowed the fatigue to be identified,  
thereby preventing the accident.  
[376] Even assuming he was in fact fatigued, Mr. Spittal did not feel that to be the  
case, as I pointed out above. The diagnosis of his sleep apnea did not take place  
until close to two years after the accident and if he had sleep apnea at the time of  
the accident, he was not aware of it. The plaintiffs have not shown that any training  
programme would have enabled Mr. Spittal to self-diagnose for sleep apnea.  
[377] The plaintiffs rely on some inaccuracies in Mr. Spittal’s log books. But there is  
no evidence that he was driving beyond the regulated time on the tour. In fact, the  
unchallenged evidence of the timing of the tour (and the ones that preceded it)  
shows the opposite. And, as I outlined above, it was recognised that the tour was  
easy for drivers because of its frequent and long rest stops.  
[378] Ms. Pan relies on the evidence of Mr. Richard, Universal’s present Director of  
Marketing, Safety, and Compliance, who spoke about training at Universal and at  
previous company he worked for, Vancouver Trolley. Ms. Pan emphasizes the  
following training to which Mr. Richard referred:  
proper pre-trip procedures;  
completing an incident report;  
being well aware of service regulations for NSC and USDOT; and  
proper logbook completion.  
Nothing noted here by Mr. Richard would have assisted Mr. Spittal in recognising  
fatigue.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 91  
[379] Ms. Pan called an occupational safety consultant, Mohinder Bhatti, as an  
expert. Amongst other things, he was asked to opine on what would be required of  
CanAm, Universal, and Western to meet Canadian Standards Association and  
Workers Compensation Act, R.S.B.C. 2019, ch. 1, requirements for health and  
safety issues.  
[380] The defendants objected to the report’s admissibility. I do not need to address  
that because I conclude that the report must be given no weight. Mr. Bhatti’s report  
was generic and did not touch on fatigue, except as it concerned Mr. Yu. He  
provided no details as to what a training programme for the recognition of fatigue  
would entail.  
[381] With respect to Mr. Yu, Mr. Bhatti was asked to assume that he received no  
training. Mr. Bhatti said that Mr. Yu should have been trained to recognise signs of  
driver fatigue without providing any foundation for that opinion. He then concluded:  
Had the tour guide Mr. Mark Yu been educated on recognising signs of driver  
fatigue and the actions taken, the incident . . . could have been avoided.  
Given that there is no evidence that Mr. Spittal exhibited any signs of fatigue, this  
conclusion is devoid of any factual foundation and a leap into advocacy.  
[382] Based on what I have set out, it follows that any investigation or audit by  
Universal or CanAm of Western’s safety practices would not have yielded anything  
negative regarding fatigue.  
[383] The plaintiffs also raised issues with respect to the extent of Western’s vetting  
of Mr. Spittal during the hiring process. I will not set out the details because the issue  
is a red herring. There was nothing in the hiring process that would have raised any  
concerns of Western with respect to fatigue in Mr. Spittal. Moreover, it was not  
incumbent on Universal or CanAm to audit the hiring practices of Western.  
[384] I conclude that even if the accident was caused by fatigue (which I do not  
accept) and even if Universal or CanAm ought to have investigated Western more  
fully before engaging it (which I do not accept), there is nothing to establish that any  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 92  
issue of fatigue would have been revealed. In other words, causation has not been  
proved.  
IV.  
FAILURE TO WARN  
[385] The plaintiffs argue that Western, Prévost, Universal, and CanAm owed a  
duty to warn them of the dangers of the bus not having seatbelts.6  
[386] The plaintiffs’ position might best be summarised by the following paragraph  
from Ms. Ding’s reply:  
Using the subjective-objective test articulated in in Reibl v. Hughes, 1980  
CanLII 23 (SCC) and affirmed in Arndt v. Smith, 1997 CanLII 360 (SCC), if  
the Plaintiff had been warned that the Bus would be driven by someone with  
little experience and employed by a subcontractor (Western) of a  
subcontractor (Universal) with lower hiring and supervision standards than  
the original subcontractor (Universal) and the original contractor (Canam), the  
specific design of the Bus without seatbelts and tempered glass that would  
break in a rollover increasing the risk of ejection and injury or death, then it is  
likely that she would have selected a different vacation, such as one that did  
supply a bus with seatbelts which she testified she would prefer if given the  
option. If there were two buses to select from, one with seatbelts and one  
without, she would have chosen to ride in the bus with seatbelts. But in the  
circumstances presented to her she had no choice and no knowledge of the  
specific risks to her and her son in the event the bus rolled over.  
[387] The legal principles of failure to warn are not in dispute. A manufacturer has  
a duty to warn users of its product of the dangers that it knows or ought to know are  
inherent in its use. This duty exists even if there are no manufacturing or design  
defects as long as there are dangers to using the product: Hollis v. Dow Corning  
Corp., [1995] 4 S.C.R. 634 at paras. 20-22.  
[388] However there is no duty to warn where an ordinarily prudent person would  
be aware of the risk: Schulz v. Leeside Developments Ltd., 90 D.L.R. (3d) 98  
(B.C.C.A.); (1984) Krysta v. Funland Enterprises Ltd., 57 B.C.L.R. 32 (S.C.).  
6 Given its admission of liability, the only relevance of this issue to Western is for the apportionment of  
liability, if any, between the defendants.  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 93  
[389] In determining whether a warning need be given, the materiality of the subject  
matter is relevant both in terms of the risk of the event occurring and the potential  
severity of the injury: Double Bar L Ranching Ltd. v. Bayvet Corp., [1996] 10 W.W.R.  
673 (Sask. C.A); leave refd [1996] S.C.C.A. No. 623.  
[390] Causation is an element of a claim for failure to warn, as it is with any other  
tort claim. The plaintiffs must show that the warning would have altered their  
behaviour; in other words, that they would not have booked the tour or got on the  
bus if a warning had been provided.  
[391] In their failure to warn claim, the plaintiffs have not differentiated between the  
different defendants. However, the defendants were in different positions with  
respect to the warnings that they could have given, assuming they were under a  
duty to do so:  
Prévost and Western had no relationship with the plaintiffs prior to them  
boarding the bus. The only warning they could have given was a warning  
label or plaque on the bus.  
Universal had no relationship with the plaintiffs at all and could not have  
provided the plaintiffs with a warning on the bus because it was not a  
Universal bus. That is sufficient to dismiss the action for failure to warn  
against it.  
CanAm was the only defendant that could have warned the plaintiffs before  
the tour began, whether in its sales brochures, on its website, or its booking  
form.  
The differences are of potential significance to the causation issue.  
[392] I will deal with causation first because I think it is determinative of the failure  
to warn claim.  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 94  
[393] One issue between the parties was the proper test to be used in determining  
whether the plaintiffs would have heeded a warning. The paragraph from Ms. Ding’s  
reply that I quoted above refers to the modified objective test in Reibl, which asks  
whether a reasonable person in the plaintiff’s particular circumstances would have  
consented to using the product if they had known all the material risks. The test is  
described by the court in Arndt v. Smith, [1997] 2 S.C.R. 539at para. 6:  
The test enunciated relies on a combination of objective and subjective  
factors in order to determine whether the failure to disclose actually caused  
the harm of which the plaintiff complains. It requires that the court consider  
what the reasonable patient in the circumstances of the plaintiff would have  
done if faced with the same situation. The trier of fact must take into  
consideration any "particular concerns" of the patient and any "special  
considerations affecting the particular patient" in determining whether the  
patient would have refused treatment if given all the information about the  
possible risks.  
[Emphasis original.]  
[394] Unlike a modified objective test, the subjective test does not posit what a  
reasonable consumer would have done if she had been provided with a warning.  
While considered to be more favorable to a plaintiff (Hollis at para. 46), it does  
require her to convince the court that a warning would have resulted in a decision  
not to use the product by leading evidence of that, normally through the plaintiff  
herself. Thus, in More v. Bauer Nike Hockey Inc., 2011 BCCA 419a case alleging  
failure to warn against a hockey helmet manufacturerthe court stated:  
[50]  
Nor, as the trial judge found, would a more explicit warning have  
affected Darren's conduct (at paras. 243-244). There was no evidence, either  
direct (from Darren) or indirect (from his parents or any other source) to  
suggest that Darren (or his parents) had read the warnings that came with the  
helmet, or that if the warnings had included more details about rotational-  
force injuries, Darren would not have continued to play hockey. This was fatal  
to the appellants' claims that insufficiency of the warnings had any causative  
relationship to his injuries: see Stiles v. Beckett (1993), 22 C.P.C. (3d) 145  
(B.C. S.C.), at 166-168, aff'd (1996), 17 B.C.L.R. (3d) 144 at 150 (C.A.);  
Baker v. Suzuki Motor Co. (1993), 12 Alta. L.R. (3d) 193, [1993] 8 W.W.R. 1,  
at 29-30 (Alta. Q.B.).  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 95  
[395] This does not mean that a plaintiff’s evidence must be taken at face value. A  
defendant is entitled to cross-examine a plaintiff and the court is to assess the  
evidence as a whole: Hollis at para. 46.  
[396] Contrary to the plaintiff’s argument, it is made clear in Reibl itself and then  
later in Arndt and Hollis, that the modified objective test is limited to cases involving  
medical malpractice cases because of the need to apply a more flexible standard of  
causation to doctors than to product manufacturers. In product liability cases, the  
subjective test is to be used.  
[397] Coming to the evidence with respect to causation, Ms. Ding testified that she  
wanted to do a tour with her son before he started school so she tried to find a tour  
to fit her schedule. She said that if she had an option between buses with or without  
seatbelts, she would have taken the one with belts because of safety, including the  
risk of ejection. She wears seatbelts in cars, but she has taken taxis in China which  
did not have seatbelts because they were not required by the government. She was  
fine with doing that because she assumed the government did not think it was a  
safety issue.  
[398] Turning to Ms. Pan, she testified that she would have preferred a bus with  
seatbelts because they helped reduce injuries. She was aware buses could roll over.  
Once she got on the bus and saw there were no seat belts, she did not feel safe.  
She had been on multi-day coach tours without seatbelts on two prior occasions.  
She always wears her seatbelt when in a car.  
[399] I note that neither plaintiff said they would not have booked the tour if they  
knew the bus did not have seatbelts. They said they would have preferred a bus with  
seatbelts. Neither plaintiff made an advance inquiry as to whether the coach would  
have seatbelts.  
[400] I will now posit a warning sticker or plaque on the bus itself. As I said above,  
this is the only type of warning Western and Prévost could have given. Both plaintiffs  
said they were aware of the risk of lack of seatbelts. The lack of seatbelts was not a  
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 96  
hidden defect: it is something that the plaintiffs would have noticed immediately on  
getting on the bus. They continued with the tour anyway. The inexorable conclusion  
from that is that a warning plaque on the bus would not have made a difference to  
them. Therefore, causation has not been proved with respect to the claim against  
Prévost and Western.  
[401] This leaves the remaining defendant CanAm, which could have provided an  
advance warning. Once again, the plaintiffs testified only that they would have  
preferred a bus with seat belts. There is no evidence that any tours with seat belts  
were on offer, and certainly not by CanAm. To the contrary, what evidence there is  
shows that very few buses with seatbelts were in the British Columbia bus fleet and  
that other tour operators used buses without belts. In 2014, the Universal fleet had  
60 highway coaches, only four of which were equipped with seatbelts. It provided  
buses for 11 other companies who ran the Rocky Mountain tour without seatbelts. A  
U.S. company, Tauk Tours, was given priority for the buses with seatbelts which  
were essentially bought by Universal for the Tauk tours. In 2014, only two percent of  
the highway coaches supplied by Universal for Canam’s tours had seatbelts.  
Western had no buses with belts. Moreover, Ms. Ding said she had to fit the tour into  
her schedule.  
[402] I conclude that if CanAm had given a warning to either plaintiff, it would not  
have made a difference to them and they would have booked the tour anyway.  
[403] Causation has not been proven by either plaintiff against any defendant and  
the failure to warn claim must be dismissed on that basis.  
[404] But beyond that, I do not think it was necessary to provide a warning here.  
The risk of a roll-over was too remote and the lack of seatbelts was obvious to  
anyone getting on the bus.  
V.  
LIABILITY OF MR. YU  
[405] It follows from the above that there is no liability of Mr. Yu. Even if he had a  
duty to keep an eye out for driver fatigue, there is no proof that Mr. Spittal exhibited  
 
Ding v. Prévost, A Division of Volvo Group Canada Inc.  
Page 97  
any visible signs of fatigue nor any evidence to support a finding that Mr. Spittal was,  
in fact, suffering from fatigue.  
VI.  
CONCLUSION  
[406] The action is dismissed.  
[407] There is therefore no need for me to deal with the third party claims or  
apportionment issues.  
[408] Counsel had agreed to a list of common issue questions. I am not setting out  
formal or separate responses to the agreed common issues. Many were rendered  
moot by the concessions made in trial and argument. Further, many of the main  
issues were broken down into too many sub-issues. Nevertheless, the common  
issues were of assistance in coalescing things for trial and argument. My  
conclusions on all the live issues should be clear from these reasons and they  
should obviously stand as answers to the relevant questions.  
[409] If necessary, counsel may make submissions with respect to costs.  
Otherwise, the defendants are to have their costs.  
[410] I thank counsel for the courteous and effective way they conducted this  
lengthy trial, all during the challenging time of COVID. Given the huge volume of  
documents and the remote appearances of the witnesses and some counsel, this  
case could not have been conducted other than with the use of an electronic  
document management system: no hard copies were necessary. Counsel are to be  
commended for their collaboration in setting this up.  
E. M. Myers J.”  
 


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