United States. Federal Highway Administration. & United States. Federal Highway Administration. Office of Highway Policy Information. Our nation's highways: Selected facts and figures. U.S. Dept. of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration., and United States. Federal Highway Administration. Office of Highway Policy Information. Our Nation's Highways: Selected Facts and Figures. Washington, D.C.: U.S. Dept. of Transportation, Federal Highway Administration.
MLA (8th ed.) CitationUnited States. Federal Highway Administration., and United States. Federal Highway Administration. Office of Highway Policy Information. Our Nation's Highways: Selected Facts and Figures. U.S. Dept. of Transportation, Federal Highway Administration.