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

Colorado Vehicle Control practice

Practice 66 Colorado DMV questions on vehicle control. Answer interactively below with an instant explanation after every question.

Loading questions…

Example questions & answers

1

Which statement regarding cell phone use while driving is correct?

  • A.Reduce your speed while talking on the phone.
  • B.Keep your telephone conversations long to avoid highway hypnosis.
  • C.Use a hand-held cell phone while driving.
  • D.Before making a call, pull safely off the road and stop.✓

Why: To maintain safety and avoid distracted driving, you should never use a mobile device while your vehicle is in motion. The official manual states that you must pull safely off the road and stop before making a call.

2

In Colorado, drivers under what age are prohibited from using a cell phone while driving, unless it is an emergency?

  • A.21
  • B.18✓
  • C.25
  • D.None of the above

Why: In Colorado, drivers under the age of 18 are strictly prohibited from using a cell phone while operating a vehicle. This law aims to minimize distractions for inexperienced drivers, with exceptions only for reporting emergencies to the police or fire department.

Take the full Colorado mock exam →

Practice material only — verify current rules with the Colorado Division of Motor Vehicles.