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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.
Published
Dec 4, 2025
Comments Close
Mar 4, 2026
Citation
90 FR 55836
Agencies
2
Full text not available in our database.
View on Federal Register →Get a plain-English explanation of what this regulation does, which agencies are responsible, and how it affects existing rules.
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Docket No. PHMSA-2024-0064 (HM-266)
2137-AF68
49 CFR 171
49 CFR 172
49 CFR 173
49 CFR 174
49 CFR 175
49 CFR 176
49 CFR 177
49 CFR 178