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

Hazardous Materials: Liquefied Natural Gas by Rail; Extension of Comment Period

Proposed rule; Extension of comment period.

On October 24, 2019, PHMSA published a notice of proposed rulemaking (NPRM), entitled "Hazardous Materials: Liquefied Natural Gas by Rail (HM-264)" proposing changes to the Hazardous Materials Regulations to allow for the bulk transport of Methane, refrigerated liquid, commonly known as liquefied natural gas (LNG), in rail tank cars. In response to a request for an extension of the comment period from the Offices of the Attorneys General of New York and Maryland, PHMSA is extending the comment period for the HM-264 NPRM for an additional 21 days. Comments to the HM-264 NPRM will now be due January 13, 2020.

View PDF