What vehicles are subject to HOS regulations?

HOS rules apply to commercial motor vehicles engaged in interstate commerce, including:

• Heavy Trucks: Vehicles with a gross vehicle weight rating (GVWR) of 10,001 pounds or more.

• Hazardous Material Carriers: Vehicles transporting materials requiring placards.

• Passenger Carriers: Buses or vans designed to carry 9 or more passengers for compensation or 16 or more passengers for non-compensated services.

Exclusions:

• Personal Use: CMVs driven for personal use are not subject to HOS rules.

• Short-Haul Operations: Certain vehicles operating within a 150 air-mile radius may qualify for exemptions.