Anything defined as a commercial vehicle under the FMCSR. That would include:
- Vehicles and combinations over 26,000 lbs. Gross Vehicle Weight Rating
- Vehicles of any weight carrying a quantity of hazardous material which requires the display of placards
- Vehicles of any weight rating designed to transport more than 15 persons (including the driver)
Certain types of vehicles are exempt from classification as commercial vehicles under FMCSR, including:
- Military vehicles (when operated by military personnel)
- Recreational vehicles
- Firefighting vehicles and first responder vehicles
- Registered farm vehicles
