A Hazardous Material (HM) is a substance or material which has been designated by the U.S. Department of Transportation, or other authorizing entity, as capable of posing an unreasonable risk to health, safety, and property when transported in commerce. Any motor vehicle transporting hazardous materials in quantities above the thresholds established by the U.S. Department of Transportation, or other authorizing entity, is required to display a hazardous materials placard.
Exclusions:
- Fuel or oil carried by the vehicle for its own use.