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Title 49

Displaying title 49, up to date as of 10/07/2026. Title 49 was last amended 10/05/2026.
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Title 49TransportationPart / Section
Subtitle BOther Regulations Relating to Transportation100 – 1699
Chapter IIIFederal Motor Carrier Safety Administration, Department of Transportation300 – 399
Subchapter BFederal Motor Carrier Safety Regulations350 – 399
Part 397Transportation of Hazardous Materials; Driving and Parking Rules397.1 – 397.225
Subpart AGeneral397.1 – 397.19
Subpart B [Reserved]
Subpart CRouting of Non-Radioactive Hazardous Materials397.61 – 397.77
§ 397.61Purpose and scope.
§ 397.63Applicability.
§ 397.65Definitions.
§ 397.67Motor carrier responsibility for routing.
§ 397.69Highway routing designations; preemption.
§ 397.71Federal standards.
§ 397.73Public information and reporting requirements.
§ 397.75Dispute resolution.
§ 397.77Judicial review of dispute decision.
Subpart DRouting of Class 7 (Radioactive) Materials397.101 – 397.103
§ 397.101Requirements for motor carriers and drivers.
§ 397.103Requirements for State routing designations.
Subpart EPreemption Procedures397.201 – 397.225