Who must be tested?
- All drivers, including part-time, holding a commercial driver's license (CDL) and operating CMVs (greater than 26,000 combined gross vehicle weight rating, or transporting more than 16 passengers, or placarded hazardous materials) on the public roadways must be U.S. Department of Transportation (DOT) drug and alcohol tested. This means any driver required to possess a CDL, including:
- Drivers employed by Federal, State, and local government agencies.
- Owner operators.
- Equivalently licensed drivers from foreign countries.
- For-hire motor carriers.