RRoad Rules Prep
Practice every question in the VA DMV Prep app — free on the App Store

Virginia Impairment practice

Practice 36 Virginia DMV questions on impairment. Answer interactively below with an instant explanation after every question.

Loading questions…

Example questions & answers

1

Which of the following is not a typical effect of marijuana on your driving?

  • A.Reduced ability to focus
  • B.Faster reaction time✓
  • C.Impaired night vision
  • D.Impaired sense of time, speed, and distance

Why: Marijuana slows your physical and mental responses, making it harder to drive safely. It does not improve or speed up your reaction time.

2

Besides alcohol, which drug is most frequently found in drivers involved in accidents?

  • A.cocaine.
  • B.cold or allergy medications.
  • C.marijuana.✓
  • D.pain relievers.

Why: Marijuana is the second most frequent drug found in drivers involved in crashes after alcohol. Even though it is legal for adults over 21, driving under its influence remains strictly illegal.

Take the full Virginia mock exam →

Practice material only — verify current rules with the Virginia Department of Motor Vehicles.