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Regulations last checked for updates: May 14, 2025
Title 49 - Transportation last revised: Mar 20, 2025
All Titles
Title 49
Chapter III
Part 397 - PART 397—TRANSPORTATION OF HAZARDOUS MATERIALS; DRIVING AND PARKING RULES
Subpart A [§ 397.1 - § 397.19] - Subpart A—General
Subpart B - Subpart B [Reserved]
Subpart C [§ 397.61 - § 397.77] - Subpart C—Routing of Non-Radioactive Hazardous Materials
Subpart D [§ 397.101 - § 397.103] - Subpart D—Routing of Class 7 (Radioactive) Materials
Subpart E [§ 397.201 - § 397.225] - Subpart E—Preemption Procedures
authority:
49 U.S.C. 322
;
49 CFR 1.87.
Subpart A also issued under
49 U.S.C. 5103
,
31136
,
31502
,
and
.97. Subparts C, D, and E also issued under
49 U.S.C. 5112
,
5125
source:
36 FR 4876, Mar. 13, 1971, unless otherwise noted.
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