Federal-Aid Highway Act of 1991

[AI summary unavailable — showing source text] Federal-Aid Highway Act of 1991 - Authorizes appropriations out of the Highway Account of the Highway Trust Fund (HTF) for: (1) the National Highway Program; (2) the Urban and Rural Program; (3) the Bridge Program; and (4) the Right-of-Way Revolving Fund. Specifies that unobligated balances of funds apportioned or allocated to a State under Federal highway provisions before October 1, 1991, shall be available for obligation in such State under the law, regulations, policies, and procedures relating to the obligation and expenditure of those funds in effect on September 30, 1991. Provides for the establishment of the National Highway System (NHS) to consist of: (1) the highways of the Interstate System (IS); (2) other urban and rural principal arterials, including toll facilities; (3) highways of the Strategic Highway Network (SHN) (defined as a network of highways that constitutes an important factor in U.S. strategic defense policy); and (4) major Strategic Highway Network Connectors (SHNCs) (which provide access from major military installations to the SHN.) Makes the following activities, subject to specified conditions, eligible for funding: (1) construction; (2) operational an…