A revised estimate of the cost of completing the national system of interstate and defense highways : communication from the Secretary of Transportation [to the Committee on Public Works and Transportation] transmitting a revised estimate of the cost of the national system of interstate and defense highways pursuant to the provisions of Section 104(b)5, Title 23, of the United States code, January 1987.
United States.Department of Transportation.
United States.Congress.House.Committee on Public Works and Transportation.
Washington : U.S.G.P.O.,
1987.
Roads