CONSENT OF INDEPENDENT ACCOUNTANTS
We hereby consent to the incorporation by reference in the T. Rowe Price U.S.
Bond Index Fund, Inc.'s Registration Statement on Form N-1A of our reports dated
November 17, 1999, relating to the financial statements and financial highlights
which appear in the October 31, 1999 Annual Reports to Shareholders of T. Rowe
Price Summit Cash Reserves Fund and T. Rowe Price Summit GNMA Fund (comprising
T. Rowe Price Summit Funds, Inc.) and T. Rowe Price Summit Municipal Money
Market Fund, T. Rowe Price Summit Municipal Intermediate-Term Fund and T. Rowe
Price Summit Municipal Income Fund (comprising T. Rowe Price Summit Municipal
Funds, Inc.), which are also incorporated by reference into the Registration
Statement. We also consent to the reference to us under the heading
"Independent Accountants" in such Registration Statement.
/s/PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Baltimore, Maryland
August 31, 2000
