An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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.
This page shows Department of Transportation content pertaining to a specific tag. If you cannot find what you’re looking for on this page, please use the search box in the top right of our website.
WASHINGTON – The U.S. Department of Transportation’s (DOT) Federal Motor Carrier Safety Administration (FMCSA) today announced a final rule that establishes a national drug and alcohol clearinghouse for commercial truck and bus drivers. The clearinghouse database will serve as a central...