Practice question

When driving in heavy traffic, you should:

  1. Use hands-free cellular devices.
  2. Use your cell phone for texting instead of calling.
  3. Not use your cell phone.
  4. Turn up the ringer on your cell phone.

Answer: C — Not use your cell phone.

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

Practice more: New Jersey CDL Class B Knowledge Test 1 →