Data / Federal rules / 2025-11436
Hazardous Materials: Liquefied Natural Gas by Rail
The Pipeline and Hazardous Materials Safety Administration published this final rule in the Federal Register on June 23, 2025. It took effect on June 23, 2025.
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What the agency says
PHMSA, in coordination with the Federal Railroad Administration, is amending the Hazardous Materials Regulations in response to the recent decision of the United States Court of Appeals for the District of Columbia Circuit in Sierra Club, et al. v. DOT, et al., No. 20-1317 (Jan. 17, 2025).
Key facts
- Document number
- 2025-11436
- Type
- Final rule
- Action
- Notification of conforming amendments
- Agency
- Transportation Department; Pipeline and Hazardous Materials Safety Administration
- Published
- June 23, 2025
- Takes effect
- June 23, 2025
- Dates
- These amendments are effective as of June 23, 2025.
- Docket
- Docket No. PHMSA-2018-0025 (HM-264)
- Regulation ID (RIN)
- 2137-AF40
- Code of Federal Regulations
- 49 CFR 172; 49 CFR 173; 49 CFR 174; 49 CFR 179; 49 CFR 180
- Topics
- Education; Hazardous materials transportation; Hazardous waste; Incorporation by reference; Labeling; Motor carriers; Motor vehicle safety; Packaging and containers; Radioactive materials; Railroad safety; Reporting and recordkeeping requirements; Uranium
- Significant
- Yes, under Executive Order 12866
- Pages
- 5
Other documents from the Pipeline and Hazardous Materials Safety Administration
| Document | Type | Published |
|---|---|---|
| Hazardous Materials: Incorporation of ASME Code Section XII and the National Board Inspection Code 2026-19741 | Final rule | Sep 28 |
| Hazardous Materials: Allowing Fireworks Certification Agencies (FCAs) To Approve Professional Fireworks 2026-16111 | Final rule | Aug 7 |
| Hazardous Materials: Reducing Burdens on Domestic Companies Using Battery-Powered Equipment in Trades 2026-15823 | Final rule | Aug 4 |
| Hazardous Materials: Adoption of Department of Transportation Special Permit 21478 2026-15820 | Final rule | Aug 4 |
| Hazardous Materials: Adoption of Department of Transportation Special Permit 14175 2026-15819 | Final rule | Aug 4 |
| Hazardous Materials: Adoption of Department of Transportation Special Permit 21379 2026-15818 | Final rule | Aug 4 |
| Hazardous Materials: Adoption of Department of Transportation Special Permit 21287 2026-15817 | Final rule | Aug 4 |
| Hazardous Materials: Adoption of Department of Transportation Special Permits 12412 and 11646 Into the Hazardous Materials Regulations 2026-15816 | Final rule | Aug 4 |
Everything from the Pipeline and Hazardous Materials Safety Administration · Rules on education · Rules on hazardous materials transportation · Rules on hazardous waste · Published in June 2025
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.