To amend title 49, United States Code, to grant the State of New York authority to allow tandem trailers to use Interstate Route 787 between the New York State Thruway and Church Street in Albany, New York.

Amends Federal commercial vehicle safety law to grant the State of New York authority to allow the operation of tandem trailers (not in actual operation on June 1, 1991) on Interstate Route 787 between exit 23 on the New York State Thruway and the Church Street and I-787 interchange in Albany, New York.