RRoad Rules Prep

New Jersey Impairment practice

Practice 50 New Jersey DMV questions on impairment. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

What is the legal blood alcohol concentration (BAC) limit for drivers 21 and older in New Jersey?

  • A.0.08%✓
  • B.0.02%
  • C.0.01%
  • D.0.05%

Why: In New Jersey, the legal limit for drivers 21 and older is a blood alcohol concentration (BAC) of 0.08%. Driving at or above this level is considered driving under the influence.

2

What is the best course of action if you have consumed too much alcohol to drive safely?

  • A.Take stimulants to counteract the alcohol.
  • B.Ask a designated driver to drive you.✓
  • C.Drive anyway but very slowly.
  • D.Drink coffee to keep you awake while you drive.

Why: If you have consumed too much alcohol to drive safely, you must not get behind the wheel. The safest choice is to have a sober person drive you or use alternative transportation.

Take the full New Jersey mock exam →

Practice material only — verify current rules with the New Jersey Motor Vehicle Commission.