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Title 49

Displaying title 49, up to date as of 10/13/2026. Title 49 was last amended 10/13/2026.
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Title 49TransportationPart / Section
Subtitle BOther Regulations Relating to Transportation100 – 1699
Chapter IPipeline and Hazardous Materials Safety Administration, Department of Transportation100 – 199
Subchapter AHazardous Materials and Oil Transportation100 – 110
Parts 100-104 [Reserved]
Part 105Hazardous Materials Program Definitions and General Procedures105.5 – 105.55
Subpart ADefinitions105.5
Subpart BGeneral Procedures105.15 – 105.55
Part 106Rulemaking Procedures106.5 – 106.130
Subpart APHMSA Rulemaking Documents106.5 – 106.45
Subpart BParticipating in the Rulemaking Process106.50 – 106.130
Part 107Hazardous Materials Program Procedures107.1 – 107.809
Subpart ADefinitions107.1
Subpart BSpecial Permits107.101 – 107.127
Subpart CPreemption107.201 – 107.227
Subpart DEnforcement107.301 – 107.339
Subpart EDesignation of Approval and Certification Agencies107.401 – 107.405
Subpart FRegistration of Cargo Tank and Cargo Tank Motor Vehicle Manufacturers, Assemblers, Repairers, Inspectors, Testers, and Design Certifying Engineers107.501 – 107.504
Subpart GRegistration of Persons Who Offer or Transport Hazardous Materials107.601 – 107.620
Subpart HApprovals, Registrations and Submissions107.701 – 107.717
Subpart IApproval of Independent Inspection Agencies, Cylinder Requalifiers, and Non-domestic Chemical Analyses and Tests of DOT Specification Cylinders107.801 – 107.809
Appendix A to Part 107
Standard Operating Procedures for Special Permits and Approvals
Part 109Department of Transportation Hazardous Material Procedural Regulations109.1 – 109.103
Subpart ADefinitions109.1
Subpart BInspections and Investigations109.3 – 109.16
Subpart CEmergency Orders109.17 – 109.21
Subpart DEquipment109.25
Subpart EProhibition on Hazardous Materials Operations After Nonpayment of Penalties109.101 – 109.103
Part 110Hazardous Materials Public Sector Training and Planning Grants110.1 – 110.130