<PAGE>
EXHIBIT 11.1
LANDSTAR SYSTEM, INC. AND SUBSIDIARY
CALCULATION OF EARNINGS PER COMMON SHARE
(In thousands, except per share amounts)
(Unaudited)
<TABLE>
<CAPTION>
Twenty Six Thirteen
Weeks Ended Weeks Ended
--------------------------- ---------------------------
June 24, June 26, June 24, June 26,
2000 1999 2000 1999
------------ ------------- ------------- -----------
Earnings available for earnings per share:
<S> <C> <C> <C> <C>
Net income $ 17,776 $ 18,230 $ 9,437 $ 10,755
============ ============ ============ ============
Average number of common shares outstanding 9,024 10,246 8,880 10,125
============ ============ ============ ============
Earnings per common share $ 1.97 $ 1.78 $ 1.06 $ 1.06
============ ============ ============ ============
20
</TABLE>