Rulebook › 49 CFR Part 177

PART 177—CARRIAGE BY PUBLIC HIGHWAY

Official text from the eCFR, current as of 2026-10-21.

Subpart A—General Information and Regulations

• § 177.800 Purpose and scope of this part and responsibility for compliance and training.
• § 177.801 Unacceptable hazardous materials shipments.
• § 177.802 Inspection.
• § 177.804 Compliance with Federal Motor Carrier Safety Regulations.
• § 177.810 Vehicular tunnels.
• § 177.816 Driver training.
• § 177.817 Shipping papers.
• § 177.823 Movement of motor vehicles in emergency situations.

Subpart B—Loading and Unloading

• § 177.834 General requirements.
• § 177.835 Class 1 (explosive) materials.
• § 177.837 Class 3 (flammable liquid) materials.
• § 177.838 Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (self-heating and pyrophoric liquid) materials.
• § 177.839 Class 8 (corrosive) materials.
• § 177.840 Class 2 (gases) materials.
• § 177.841 Division 6.1 (poisonous) materials and Division 2.3 (poisonous gas) materials.
• § 177.842 Class 7 (radioactive) material.
• § 177.843 Contamination of vehicles.

Subpart C—Segregation and Separation Chart of Hazardous Materials

• § 177.848 Segregation of hazardous materials.

Subpart D—Vehicles and Shipments in Transit; Accidents

• § 177.854 Disabled vehicles and broken or leaking packages; repairs.

Subpart E—Regulations Applying to Hazardous Material on Motor Vehicles Carrying Passengers for Hire

• § 177.870 Regulations for passenger carrying vehicles.