A bill to provide for the allocation of funds from the Mass Transit Account of the Highway Trust Fund, and for other purposes.

Requires the Secretary of Transportation to ensure that, in each fiscal year, each State's percentage of the total apportionments to all States from the Mass Transit Account of the Highway Trust Fund is not less than 80 percent of the State's estimated tax payment attributable to highway users in the State paid into that Account in the most recent year for which data are available. Provides an exception for any State whose contribution to such Account in the applicable fiscal year is greater than or equal to $50 million.