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  • Based on 2025 ON commercial driver's licence manual
  • Updated for May 2025

ON Class A Commercial Driving Licence Exam Simulator

Getting ready for the Class A portion of your Ontario commercial driving licence test can be overwhelming. You know you have to ace it in order to drive a truck in ON, so your entire livelihood depends on it. You have studied the official handbook over and over again, but you need to put your skills to the test to see if you have what it takes to pass. You can accomplish that with the Exam Simulator. With questions pulled directly from the most recent official commercial driver manual, the simulator has the same type of questions that you’ll find on the official exam.
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
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About this test

5 out of 5 • 1 votes
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
What to expect on the official exam
35

questions

28

correct answers to pass

80%

passing score

List of questions (classic view)

  1. The pavement is likely to be most slippery
  2. Which of the following conditions is known as hydroplaning?
  3. If you are already moving through an intersection when the traffic light changes from green to amber, you must
  4. Why should you increase your following distance when you're following a large truck?
  5. When can you drive alongside a motorcycle in the same lane?
  6. Which of the following is considered a distraction from driving?
  7. You are approaching a red light. Where do you stop if there is no stop line or crosswalk?
  8. What is black ice?
  9. What should you do if fog closes in completely while you are driving, and visibility is reduced to near zero?
  10. To reduce the effects of glare from the headlights of oncoming vehicles, you should look __________ until the vehicle has passed.
  11. Which of the following statements are true about driving under poor driving conditions?
  12. You can stay alert while driving by
  13. When a doctor prescribes medication for you and you know you will be driving, you should
  14. Your driving abilities can be impaired by
  15. If the weather conditions are stormy but the trip is absolutely necessary, you should
  16. After driving through a large puddle, how can you dry your brakes?
  17. Which of the following are considered emergency vehicles?
  18. To enter a main road from a driveway, an alley, or the roadside, you must
  19. You must immediately stop and yield the right-of-way to a pedestrian
  20. While crossing railroad tracks, AVOID
  21. Which of the following statements about railroad crossings is FALSE?
  22. Which of the following statements is FALSE?
  23. When towing a trailer, you should
  24. On slippery roads, you should take which of the following precautions?
  25. Which of the following statements about speed is FALSE?
  26. On multilane highways, if you're driving slower than other traffic, use
  27. When driving on gravel or dirt, you should slow down because
  28. If there is an oncoming vehicle in your lane, what should you do?
  29. If your vehicle starts plunging into water, you should
  30. Which of the following will help a drunk driver sober up?
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