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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Latest Actions

June 7, 2023

Emergency Waiver Order #25: Transporting HAZMAT in the Territory of Guam

In accordance with the provisions of 49 U.S.C. § 5103(c), the Associate Administrator for the Office of Hazardous Materials Safety within the Pipeline and Hazardous Materials Safety Administration (PHMSA) hereby declares that an emergency exists that...

May 17, 2023

The Department of Transportation LNG Center of Excellence Webinar - May 17, 2023

The Department of Transportation LNG Center of Excellence Webinar
We invite you to the “LNG Center of Excellence Webinar” on May 17, 2023, from 1 – 2 PM EST hosted by the Pipeline and Hazardous Materials Safety Administration (...

April 25, 2023

DOT-111 Ethanol Phase-Out Frequently Asked Questions (FAQs)

PHMSA is posting these frequently asked questions to provide clarification and guidance on the phase-out of DOT-111 specification tank cars by rail carriers and shippers for ethanol service.  See document for full details.

April 25, 2023

Lithium Battery Air Safety Advisory Committee

Please monitor this website for forthcoming meeting details. You may also review the Federal Register Notice for additional information.
April 20, 2023

Notice of Limited Enforcement Discretion for Certain Onshore Gas Transmission Pipelines Conducting Remedial Actions Under 49 CFR 192.473

In relation to its final rulemaking entitled “Pipeline Safety:  Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic Protection, Management of Change, and Other Related Amendments,” PHMSA is providing...

April 7, 2023

PHMSA Safety Advisory Notice: Transportation of Electric Vehicles Containing Lithium Batteries Damaged by Extreme Weather Events

PHMSA issued this safety advisory notice to inform the public and raise awareness of the risks involved in the transportation of electric vehicles (EVs) powered by installed lithium batteries that may have been damaged due to submersion in waters...

March 22, 2023

PHMSA Safety Advisory Notice: DOT-111 Tank Cars in Flammable Liquid Service

The safety advisory re-emphasizes concerns with the survivability of DOT-111 tank cars and encourages tank car owners and shippers of flammable liquids to voluntarily upgrade their tank car fleets to the DOT-117 specification tank car, the newest and...

March 7, 2023

PHMSA Amended CAO to TC Oil Pipeline Operations

PHMSA's amended Corrective Action Order to TC Oil Pipeline Operations, Inc. following the failure of its 36-inch Keystone pipeline and a release of almost 13,000 barrels of crude oil near Washington, KS.  The amendment, based on PHMSA’s safety...

March 3, 2023

PHMSA Safety Advisory Notice: Railroad Emergency Preparedness

This Safety Advisory alerts those engaged in the rail transportation of hazardous materials of their obligation to appropriately plan for emergencies and share information about available emergency response resources, as well as urges actions to...