USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Figure 1-1 Annual Average Daily Traffic on the National Highway System: 2011

Wednesday, March 30, 2016

If you are a user with disability and cannot view these files, please call 800-853-1351 for further assistance.