An original bill to authorize appropriations for the construction of certain highways in accordance with title 23 of the United States Code.

[AI summary unavailable — showing source text] Title I: Federal-Aid Highway Act - Directs the Secretary of Transportation to apportion for fiscal years 1977 and 1978 the sums authorized to be appropriated for such years for expenditure on the National System of Interstate and Defense Highways. Authorizes the appropriation of funds out of the Highway Trust Fund for specified highway programs, including the Federal-aid primary system, Federal-aid community service system, and forest highways. Establishes the Federal-aid community service system which shall consist of the Federal-aid nonurbanized system and the Federal-aid urbanized system. Provides that the Secretary of Commerce may withdraw his approval of any route on the Interstate System within an urbanized area, if he determines that the route is not essential. States that when the Secretary withdraws his approval, a sum equal to the Federal share of the cost to complete the withdrawn route shall be available to the Secretary to incur obligations for the Federal share of the Federal-aid primary system and the Federal- aid non-urbanized system (presently such funds are made available for nonhighway public mass transit projects). Directs that States receiving a transfer of mil…