Practice question

When transporting hazardous materials, placards:

  1. Should only be used with explosives.
  2. Should be used on all four sides of a vehicle.
  3. Should only be used by Class A licensed drivers.
  4. Should be used to reduce insurance rates.

Answer: B — Should be used on all four sides of a vehicle.

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

Practice more: Illinois CDL HazMat Test 2 →