Practice question

How can you prevent drowsiness before a trip?

  1. Get about four hours of sleep.
  2. Plan stopping points into your trip in advance.
  3. Drive alone.
  4. Schedule long trips at night.

Answer: B — Plan stopping points into your trip in advance.

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

Practice more: District Of Columbia CDL Class B Knowledge Test 2 →