Practice question

Trailers built before 1975 are:

  1. Required to have spring brakes.
  2. Not required to have spring brakes.
  3. Unsafe to drive.
  4. Prohibited from public roadways.

Answer: B — Not required to have spring brakes.

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

Practice more: Colorado CDL Combination Test 1 →