Code of Federal Regulations > Title 49 > Chapter I - CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

Part 100-104 - PARTS 100-104 [RESERVED]

Part 105 [§ 105.5 - § 105.55] - PART 105—HAZARDOUS MATERIALS PROGRAM DEFINITIONS AND GENERAL PROCEDURES

Part 106 [§ 106.5 - § 106.130] - PART 106—RULEMAKING PROCEDURES

Part 107 [§ 107.1 - § 107.809] - PART 107—HAZARDOUS MATERIALS PROGRAM PROCEDURES

Part 109 [§ 109.1 - § 109.103] - PART 109—DEPARTMENT OF TRANSPORTATION HAZARDOUS MATERIAL PROCEDURAL REGULATIONS

Part 110 [§ 110.1 - § 110.130] - PART 110—HAZARDOUS MATERIALS PUBLIC SECTOR TRAINING AND PLANNING GRANTS

Part 130 [§ 130.1 - § 130.155] - PART 130—OIL SPILL PREVENTION AND RESPONSE PLANS

Part 171 [§ 171.1 - § 171.26] - PART 171—GENERAL INFORMATION, REGULATIONS, AND DEFINITIONS

Part 172 [§ 172.1 - § 172.822] - PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, TRAINING REQUIREMENTS, AND SECURITY PLANS

Part 173 [§ 173.1 - § 173.477] - PART 173—SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS

Part 174 [§ 174.1 - § 174.750] - PART 174—CARRIAGE BY RAIL

Part 175 [§ 175.1 - § 175.900] - PART 175—CARRIAGE BY AIRCRAFT

Part 176 [§ 176.1 - § 176.907] - PART 176—CARRIAGE BY VESSEL

Part 177 [§ 177.800 - § 177.870] - PART 177—CARRIAGE BY PUBLIC HIGHWAY