DECEMBER 4TH, 2025
49 CFR Parts 171, 172, 173, 174, 175, 176, 177, and 178
[Docket No. PHMSA–2024–0064 (HM–266)] RIN 2137–AF68
Hazardous Materials: Modernizing Regulations To Facilitate Transportation of Hazardous Materials Using Highly Automated Transportation Systems
ACTION: Advance notice of proposed rulemaking (ANPRM).
SUMMARY: The Pipeline and Hazardous Materials Safety Administration (PHMSA) is publishing this advance notice of proposed rulemaking (ANPRM) to obtain stakeholder input on potential revisions to the Hazardous Materials Regulations (HMR) to facilitate the safe transportation of hazardous materials using highly automated transportation systems.
DATES: Comments must be received by March 4, 2026
READ MORE: https://www.govinfo.gov/content/pkg/FR-2025-12-04/pdf/2025-21970.pdf