A bill to amend title 23 of the United States Code in order to make certain improvements in the Federal-aid highway program.

Makes highway related maintenance projects eligible for funding under the Federal-aid highway program. Makes construction projects on the Interstate System in urban areas for the purpose of reducing noise levels eligible for such assistance. Revises the apportionment system for the expenditure of funds under the Federal-aid highway program. Increases the Federal share of projects on the Federal-aid primary system, the Federal-aid secondary system, and the Federal-aid urban system.