| Title | Part | Description |
| 49 CFR | 105 | Hazardous Materials Program Definitions and General Procedures |
| 49 CFR | 106 | Rulemaking Procedures |
| 49 CFR | 107 | Hazardous Materials Program Procedures |
| 49 CFR | 110 | Hazardous Materials Public Sector Training and Planning Grants |
| 49 CFR | 130 | Oil Spill Prevention and Response Plans |
| 49 CFR | 171 | General Information, Regulations, and Definitions |
| 49 CFR | 172 | Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, and Training Requirements |
| 49 CFR | 173 | Shippers General Requirements for Shipments and Packagings |
| 49 CFR | 174 | Carriage by Rail |
| 49 CFR | 175 | Carriage by Aircraft |
| 49 CFR | 176 | Carriage by Vessel |
| 49 CFR | 177 | Carriage by Public Highway |
| 49 CFR | 178 | Specifications for Packagings |
| 49 CFR | 179 | Specifications for Tank Cars |
| 49 CFR | 180 | Continuing Qualification and Maintenance of Packagings |
| 49 CFR | 40 | Procedures for Transportation Workplace Drug and Alcohol Testing Programs |
| 49 CFR | 325 | Compliance with Interstate Motor Carrier Noise Emission Standards |
| 49 CFR | 350 | Commercial Motor Carrier Assistance Program |
| 49 CFR | 355 | Compatibility of State Laws and Regulations Affecting Interstate Motor Carrier Operations |
| 49 CFR | 356 | Motor Carrier Routing Regulations |
| 49 CFR | 360 | Fees for Motor Carrier Registration and Insurance |
| 49 CFR | 365 | Rules Governing Applications for Operating Authority |
| 49 CFR | 366 | Designation of Process Agent |
| 49 CFR | 367 | Standards for Registration with States |
| 49 CFR | 368 | Application for a Certificate of Registration to Operate in Municipalities in the United States on the United States-Mexico International Border or Within the Commercial Zones of Such Municipalities |
| 49 CFR | 369 | Reports of Motor Carriers |
| 49 CFR | 370 | Principles and Practices for the Investigation and Voluntary Disposition of Loss and Damage Claims and Processing Salvage |
| 49 CFR | 371 | Brokers of Property |
| 49 CFR | 372 | Exemptions, Commercial Zones, and Terminal Areas |
| 49 CFR | 373 | Receipts and Bills |
| 49 CFR | 374 | Passenger Carrier Regulations |
| 49 CFR | 375 | Transportation of Household Goods in Interstate Commerce; Consumer Protection Regulations |
| 49 CFR | 376 | Lease and Interchange of Vehicles |
| 49 CFR | 377 | Payment of Transportation Charges |
| 49 CFR | 378 | Procedures Governing the Processing, Investigation, and Disposition of Overcharge, Duplicate Payment, or Overcollection Claims |
| 49 CFR | 379 | Preservation of Records |
| 49 CFR | 380 | Special Training Requirements |
| 49 CFR | 381 | Waivers, Exemptions, and Pilot Programs |
| 49 CFR | 382 | Controlled Substances and Alcohol Use and Testing |
| 49 CFR | 383 | Commercial Driver's License Standards; Requirements and Penalties |
| 49 CFR | 384 | State Compliance with Commercial Drivers License Program |
| 49 CFR | 385 | Safety Fitness Procedures |
| 49 CFR | 386 | Rules of Practice for Motor Carrier, Broker, Freight Forwarder, and Hazardous Materials Proceedings |
| 49 CFR | 387 | Minimum Levels of Financial Responsibility for Motor Carriers |
| 49 CFR | 388 | Cooperative Agreements with States |
| 49 CFR | 389 | Rulemaking Procedures - Federal Motor Carrier Safety Regulations |
| 49 CFR | 390 | Federal Motor Carrier Safety Regulations - General |
| 49 CFR | 391 | Qualifications of Drivers and Longer Combination Vehicle (LCV) Driver Instructors |
| 49 CFR | 392 | Driving of Commercial Motor Vehicles |
| 49 CFR | 393 | Parts and Accessories Necessary for Safe Operations |
| 49 CFR | 395 | Hours of Service of Drivers |
| 49 CFR | 396 | Inspection, Repair, and Maintenance |
| 49 CFR | 397 | Transportation of Hazardous Materials; Driving and Parking Rules |
| 49 CFR | 398 | Transportation of Migrant Workers |
| 49 CFR | 399 | Employee Safety and Health Standards |