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.

News Archive

General Content

Investigations Tracking System (ITS)

The Office of Security and Hazardous Materials Safety (ASH) processes background investigations under the authority of 5 Code of Federal Regulations (C.F.R.) 731.104(a), which requires that...

General Content

PHMSA Portal System

The Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA), an Operating Administration within the Department of Transportation (DOT), is...