Commercial Motor Vehicle

Any self-propelled or towed vehicle used on public highways in interstate commerce to transport passengers or property when: 1) The vehicle has a gross vehicle weight rating or gross combination weight rating of 10,001 or more pounds; or 2) The vehicle is designed to transport more than 15 passengers, including the driver; or 3) The vehicle is used in the transportation of hazardous materials in a quantity requiring placarding under regulations issued by the Secretary of Transportation under the Hazardous Materials Transportation Act (49 U.S.C. App. 1801-1813). (49CFR350) (49CFR390)

A motor vehicle or combination of motor vehicles used in commerce to transport passengers or property if the motor vehicle: 1) Has a gross combination weight rating of 26,001 or more pounds inclusive of a towed unit with a gross vehicle weight rating of more than 10,000 pounds; or 2) Has a gross vehicle weight rating of 26,001 or more pounds, or 3) Is designed to transport 16 or more passengers, including the driver; or 4) Is of any size and is used in the transportation of materials found to be hazardous for the purposes of the Hazardous Materials Transportation Act and which require the motor vehicle to be placarded under the Hazardous Materials Regulations (49 CFR 172, subpart F). (49CFR383)