Practice question

To operate a vehicle that is used to transport hazardous materials, a driver must have:

  1. Only a CDL.
  2. A CDL with a hazardous materials endorsement.
  3. A CDL with a passenger endorsement.
  4. A CDL with an air brake endorsement.

Answer: B — A CDL with a hazardous materials endorsement.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Colorado CDL HazMat Test 1 →