United States. Federal Highway Administration. Selected highway statistics and charts. U.S. Dept. of Transportation, Federal Highway Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration. Selected Highway Statistics and Charts. Washington, D.C.: U.S. Dept. of Transportation, Federal Highway Administration.
MLA (9th ed.) CitationUnited States. Federal Highway Administration. Selected Highway Statistics and Charts. U.S. Dept. of Transportation, Federal Highway Administration.
Warning: These citations may not always be 100% accurate.