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

FREE SK Class 2 (Bus) Commercial Licence Practice Test

To apply for a Class 2 commercial driver’s licence in Saskatchewan, you must be at least 18 years old, hold a full Class 5 driver’s licence, submit a medical report, and pass a vision test.

Next, you must pass a basic knowledge exam on the rules of the road, a sign test on the meanings of road signs, and the Class 2 endorsement (knowledge) test on the theory of operating Class 2 vehicles. The passing score for each test is 80%. The tests are based on the official Saskatchewan Driver’s Handbook and the Professional Driver’s Handbook. Once you pass the endorsement test, you can get a Class 2 endorsement, which will allow you to practice driving Class 2 vehicles under supervision.

Because most Class 2 vehicles in Saskatchewan have air brakes, you should also get an Air Brake endorsement. To do this, you must pass the official Air Brake Knowledge Test and the Air Brake Practical Test. In the Practical Test, you’ll demonstrate how an air brake system works and how to adjust a manual slack adjuster. You must qualify for the endorsement before taking a road test in a vehicle equipped with air brakes.

Once you’ve trained sufficiently with your Class 2 endorsement, you may book a road test for a Class 2 commercial driver’s licence. You must take the test in a Class 2 vehicle.

You should read the Saskatchewan Driver’s Handbook (to refresh your memory on the rules of the road) and study the Professional Driver’s Handbook (on commercial driving). However, that’s a lot of material to learn and memorize. You may find yourself wishing for more intensive knowledge training than just reading the manuals a few times. That’s what we do.

This is the first of our seven Saskatchewan Class 2 Licence Knowledge practice tests. It deals with the basics of operating Class 2 vehicles. If you get stuck on a practice question, ask our AI Assistant to give you a hint or rephrase the question. You can also ask your own questions about commercial driving. If you still miss the practice question, the AI Assistant will immediately give you the correct answer and an explanation.

A Class 2 vehicle can carry over 24 passengers. However, a Class 2 commercial licence also allows you to operate vehicles in Classes 3, 4, and 5. This means that you can operate full-size transit buses, coach buses, and school buses (if you meet some additional requirements). You can also operate Class 4 vehicles, such as hotel, airport, and worksite shuttles and seniors’ and accessible transportation.

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  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

4.5 out of 5 • 8 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.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
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List of questions (classic view)
  1. A bus driver should choose a safe driving speed, primarily based on
  2. The air pressure of a spare tire should equal
  3. When should the bus driver perform a safety check of the bus?
  4. You're approaching an intersection, and you notice that the roadway beyond the intersection is blocked with traffic. What should you do?
  5. When travelling slower than the other traffic, you should
  6. If you're approaching a level railway crossing that is not protected by gates or railway crossing signals, what should you do?
  7. A vehicle being used for the removal of snow from a roadway must be equipped with a
  8. What is the main purpose of maintaining the correct air pressure in the tires?
  9. Under Ontario law, when a school bus stops with its red signals flashing, other drivers must
  10. A broken centre line on a roadway means that you may
  11. Which of the following equipment items is NOT required on a school bus?
  12. If a front tire blows out, what should you do first?
  13. If your right wheels drop off the roadway, what should you do to get back onto the roadway?
  14. Generally the safest drivers are those who
  15. If a bus becomes disabled on a roadway at night, flares or reflectors must be placed approximately _________ in front of and behind the vehicle.
  16. When driving in fog, you should use
  17. You're driving on a two-way street when you hear the siren of an approaching emergency vehicle. What must you do?
  18. What is the most important concern for a bus driver?
  19. If your vehicle lacks antilock brakes (ABS), how can you stop quickly on a wet or icy roadway?
  20. When travelling at over 60 km/h (40 mph), a bus driver must maintain a following distance of at least _________ behind the vehicle ahead, except when passing.
  21. A controlled railway crossing may have
  22. A light-rail transit (LRT) train may take up to ________ to stop in an emergency.
  23. A Slow-Moving Vehicle sign should be placed on any vehicle that travels no faster than
  24. A tire that is overinflated or underinflated can
  25. A tractor-trailer travelling at high speeds creates air turbulence in which of the following areas?
  26. A vehicle that is twice the weight of a car and is travelling at twice the speed of that car requires how much braking power to stop in the same distance?
  27. A white diamond marking in your lane indicates that
  28. A white X pavement marking in your lane means that
  29. What is a danger zone?
  30. Which dashboard gauge can help you decide when to upshift?
  31. Airbags are
  32. An engine governor is
  33. An octagonal (eight-sided) red sign is
  34. An oncoming vehicle at night has not dimmed its high-beam headlights. What should you do?
  35. Any defect or deficiency that you find on your bus must be
  36. At a railroad crossing, flashing red lights and ringing bells mean that
  37. At a stop sign, you must
  38. At an intersection with no traffic lights or traffic signs, you should
  39. At an intersection, the traffic light is red, but a police officer motions you to go through. What should you do?
  40. At what speed should you back up your vehicle?
  41. At which of the following engine speeds should you drive your vehicle?
  42. Before you drive your vehicle, you should
  43. Before you drive, you should
  44. Before you enter a curve, what gear should you select?
  45. Before you may turn left at an intersection, you must yield to
  46. Besides regular brake maintenance, who is responsible for ensuring that the brakes of a vehicle are working properly before the vehicle is driven?
  47. Cars A and B have arrived at this intersection at about the same time. Car A wants to turn left and Car B wants to go straight. Who has the right-of-way?
  48. Compounding the air brakes can
  49. Different-sized tires can
  50. Double-clutching is
  51. During a pre-hill inspection of a vehicle equipped with air brakes, you should do which of the following?
  52. During freezing conditions, you should exercise extreme caution when driving through which of the following?
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