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

PHMSA Enforcement

Overview

PHMSA's primary mission under the Federal laws governing the transportation of hazardous materials is to protect people and the environment from the risks inherent in the transportation of hazardous materials by pipelines and other modes. The Offices of Pipeline Safety and Hazardous...

PHMSA Approvals and Permits

Overview

The Pipeline and Hazardous Materials Safety Administration has the primary responsibility for the issuance of DOT special permits and approvals for hazardous materials and for natural gas and hazardous liquid pipelines. Special permits authorize a person to perform a function outside...

Notices and Advisory Bulletins

As an agency committed to ensuring the safe transport of hazardous materials within the nation’s 2.3 million pipeline system, PHMSA utilizes and presents public notices and advisory bulletins as sources of information collection, public meetings, safety advisories and general notices....

Pipeline Safety Training

Transportation is a dynamic system based not only on physical infrastructure, but also on human capital. Education and training programs are vital for fulfilling the mission of the U.S. Department of Transportation, especially for fostering an educated, innovative, and highly skilled...

PHMSA Research and Development

PHMSA sponsors Research & Development (R&D) projects focused on providing near-term solutions that will increase the safety and reliability of the nation's pipelines and hazardous materials transportation. The descriptions below links on this page provide more details about PHMSA's ...

Historical Pipeline Incidents

About 2.6 million miles of transportation pipelines deliver the energy products the American public needs to keep its homes and businesses running. While rare, some pipeline incidents can be fatal and cost millions in property damage. PHMSA's Office of Pipeline Safety (OPS) holds all...