An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
A locked padlock
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
VIUS is conducted in partnership with the Bureau of Transportation Statistics (BTS), Federal Highway Administration (FHWA), and the U.S. Department of Energy (DOE), to better understand the characteristics and use of trucks on our nation's roads.