Practice question

Which of the following is a sign of a potentially drunk driver?

  1. They are staying in their traffic lane.
  2. They are driving a consistent speed.
  3. They are stopping without a reason.
  4. They have alcohol-related bumper stickers on their vehicle.

Answer: C — They are stopping without a reason.

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

Practice more: North Dakota CDL Class B Knowledge Test 1 →