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.
The Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety Administration
(PHMSA), an Operating Administration within the Department of Transportation (DOT), is...
Remarks Prepared for Delivery by
U.S. Secretary of Transportation Elaine L. Chao
40th Triennial Assembly
International Civil Aviation Organization
...
Remarks Prepared for Delivery by
U.S. Secretary of Transportation Elaine L. Chao
Montreal Council on Foreign Relations
Montreal, Canada
September 25...
Announces $6 Million in Funding for New Visitors’ Center at Eisenhower Lock
MASSENA, N.Y. – Today, U.S. Transportation Secretary Elaine L. Chao...
The Department of Transportation's Departmental Office of Civil Rights wants to provide our site's users assistance by making available links to the following:
This section of the OST Electronic Reading Room includes links to policy decisions ansd interpretations.
List of significant guidance issued by the Office of the Secretary of Transportation's Office of the General Counsel.