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General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
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Rail Recommendations

The items below are the currently open NTSB recommendations regarding rail and the OHMS responses.

NTSB Classifications:OAA - Open Acceptable ResponseOAAR - Open Acceptable Alternate ResponseOUA - Open Unacceptable ResponseORR - Open Response ReceivedOAR - Open Await ResponseCurrently...

Intermodal Recommendations

The items below are the currently open NTSB recommendations regarding intermodal transit and the OHMS responses. 

NTSB Classifications:OAA - Open Acceptable ResponseOAAR - Open Acceptable Alternate ResponseOUA - Open Unacceptable ResponseORR - Open Response ReceivedOAR - Open...

Aviation Recommendations

The Pipeline and Hazardous Materials Safety Administration is required by law to respond to safety recommendations issued by the National Transportation Safety Board (NTSB), an independent federal agency charged by Congress with investigating significant incidents that involve hazardous...

Hazardous Materials Information Center

1-800-HMR-49221-800-467-4922202-366-4488infocntr@dot.gov

Have a question about transporting hazardous materials? Need clarification on an entry in the Hazardous Materials Regulations? PHMSA's Hazmat Information Center provides live, one-on-one assistance Monday through Friday from 9 a.m...

Trade Facilitation

About Trade Facilitation and Country Partnerships

PHMSA engages in bi-lateral dialogues with many countries as part of harmonizing the U.S. Hazardous Materials Regulations (HMR) with international standards and regulations. Currently, our main country partnerships are with Canada, China, and...

ADR and RID

ADR and RID is the  Agreements Concerning the International Carriage of Dangerous Goods by Rail (RID) and by Road (ADR) and the Joint meeting of RID Safety Committee and the Working Party on the Transport of Dangerous Goods (WP.15).

The RID Safety Committee and WP.15 administer...