Transportation Department Final Rule

C1-2025-11436: Hazardous Materials: Liquefied Natural Gas by Rail

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What this rule does

The regulation outlines specific requirements for the thickness of the outer jacket shell and heads of containers used for transporting liquefied natural gas by rail. The minimum wall thickness must be at least 7/16 inch for the outer jacket shell and 1/2 inch for the outer jacket heads, made from designated steel materials.

Plain-language description generated by AI — not the agency’s official summary, which we have not captured for this rule. Read the official text →

The rule, in full

189 words as published, July 01, 2025. View the original →

Federal Register, Volume 90 Issue 124 (Tuesday, July 1, 2025) [Federal Register Volume 90, Number 124 (Tuesday, July 1, 2025)] [Rules and Regulations] [Page 28044] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: C1-2025-11436] [[Page 28044]] ======================================================================= ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Pipeline and Hazardous Materials Safety Administration 49 CFR Parts 172, 173, 174, 179, and 180 [Docket No. PHMSA-2018-0025 (HM-264)] RIN 2137-AF40 Hazardous Materials: Liquefied Natural Gas by Rail Correction In rule document 2025-11436, appearing on pages 26455 through 26459 in the issue of Monday, June 23, 2025, make the following correction: 0 On page 26459, in the first column, from the top of the page, lines 24 through 30 in Part 179.400-8 are corrected as set forth below. Sec. 179.400-8 Thickness of plates [Corrected] (d)(1) The minimum wall thickness, after forming, of the outer jacket shell may not be less than \7/16\ inch. The minimum wall thickness, after forming, of the outer jacket heads may not be less than \1/2\ inch and they must be made from steel specified in Sec. 179.16(c). [FR Doc. C1-2025-11436 Filed 6-30-25; 8:45 am] BILLING CODE 0099-10-P

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