Home / Agencies / DOT / 2026-15816
Final Rule

Hazardous Materials: Adoption of Department of Transportation Special Permits 12412 and 11646 Into the Hazardous Materials Regulations

Agency
DOT
Document Number
2026-15816
Published
August 4, 2026
Effective Date
September 3, 2026

Abstract

PHMSA is amending the Hazardous Materials Regulations to adopt the provisions of U.S. Department of Transportation (DOT) special permit (SP) 12412 and DOT SP 11646. These amendments will provide greater regulatory flexibility and eliminate the need for special permit renewal requests, reducing paperwork burdens and facilitating commerce while maintaining an equivalent level of safety.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

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Frequently Asked Questions

What is the 2026-15816 Federal Register document?
Document 2026-15816 is a Final Rule published by the Department of Transportation in the Federal Register on August 4, 2026, with an effective date of September 3, 2026. PHMSA is amending the Hazardous Materials Regulations to adopt the provisions of U.S. Department of Transportation (DOT) special permit (SP) 12412 and DOT SP 11646. These amendments will provide greater regulatory flexibility and eliminate the need for special permit renewal requests, reducing paperwork burdens and facilitating commerce while maintaining an equivalent level of safety. View the original at https://www.federalregister.gov/documents/2026/08/04/2026-15816/hazardous-materials-adoption-of-department-of-transportation-special-permits-12412-and-11646-into.
Is document 2026-15816 an economically significant rule?
No. Document 2026-15816 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

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