APA (7th ed.) Citation

United States. Federal Highway Administration & United States. Federal Highway Administration. Office of Highway Policy Information. Traffic volume trends. U.S. Dept. of Transportation, Federal Highway Administration.

Chicago Style (17th ed.) Citation

United States. Federal Highway Administration and United States. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends. Washington, D.C.: U.S. Dept. of Transportation, Federal Highway Administration.

MLA (9th ed.) Citation

United States. Federal Highway Administration and United States. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends. U.S. Dept. of Transportation, Federal Highway Administration.