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

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
Subscribe to General

Pending Pipeline Interpretations

Pipeline operators and other stakeholders may request a written regulatory interpretation pursuant to 49 CFR 190.11(b). PHMSA makes available online each incoming interpretation request and allows for the submission of public comment. Before issuing a written interpretation, PHMSA will consider comments received on or before the comment closing date. Comments will not be responded to directly. Any comments received after the closing date will be considered if practicable.

Real-Time Train Consist Information

The Real-Time Train Consist Information Rule requires railroads that carry hazardous materials to generate and maintain certain information regarding hazardous materials in rail transportation in electronic form and provide to authorized first responders, emergency response officials, and law...

Hazardous Matters January March-2025

Hazardous Matters

"Hazardous Matters" is the quarterly newsletter for PHMSA's Office of Hazardous Materials Safety (OHMS). As always, it is packed with the latest news, expert tips, and essential insights for the safe handling and shipment of hazardous materials. Stay informed, stay safe!