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FREE AB Class 2 (Bus) Commercial Licence Practice Test 2025

Based on the 2025 AB CDL manual
Questions: 50
Mistakes allowed: 10
Passing score: 80%
Ensuring the accuracy and quality of our practice tests is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

If you’re aiming to become a bus driver in Alberta, you’ll need a Class 2 Commercial Driver’s Licence. This license allows you to operate buses, including school buses, special activity buses, and special vehicles used to transport passengers. The demand for professional bus drivers is consistent, as they play a key role in public and private transportation sectors. To prepare for the road, thorough study and practice are vital. You must pass both knowledge and road tests to obtain your licence.

The knowledge test consists of multiple-choice questions based on the official Alberta Commercial Driver’s Guide, and you need to score at least 80% to pass—although this benchmark is subject to change as per Alberta Transportation regulations. The test typically takes about 30 minutes to complete. During the road test, you’ll demonstrate your practical skills in bus operation to an examiner.

While the official guide is an indispensable resource, practice tests offer the hands-on experience that reading alone cannot. This practice test, featuring 50 questions, is tailored for the Alberta Class 2 licence aspirants. It’s derived from the 2025 AB Commercial Driver’s Guide, and each question comes with an explanation to deepen your understanding of the rules. Good luck, and remember, safety is paramount when you’re in the driver’s seat!

4.2 out of 5 • 5 votes.
Based on 2025 AB commercial driver's license manual
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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 during the day, 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. At what speed range should the clutch be depressed when you want to bring your bus to a full halt by gradually applying brake pressure?
  22. Is there supposed to be any 'free play' in a correctly adjusted clutch?
  23. Under what pressure does the parking brake stay applied in air brake systems?
  24. What is the recommended way of checking the bus transmission during the on-road check?
  25. If the coolant is marked hot by the temperature warning light or water temperature gauge, what is the recommended action?
  26. Which of these is NOT one of the three basic parts of a pre-trip inspection?
  27. What is the main reason for driving in a lower gear?
  28. Why is it crucial to stick to the pre-trip inspection checklist?
  29. Aside from legal obligations, is there another incentive to conducting a pre-trip inspection?
  30. As a minimum, how full should the windshield washer fluid be?
  31. Which category does not belong in the daily inspection checklist?
  32. What action is defined as "coasting to a stop"?
  33. At which speed range should you examine your brakes during the on-road test?
  34. In colder weather, how long should you idle the bus before starting out on your route?
  35. When analyzing the coolant tank during under-the-hood check, how far from the filler neck should the coolant be if there is no mark on the tank?
  36. What sound should you hear when you tap each tire with a tire iron or similar tool during tire inspection?
  37. How can operators determine when to refill their converted propane buses, if the gauges may not provide an accurate reading?
  38. What could it mean if the service brake indicator light comes on during a hard braking application?
  39. When can you start operating the bus if it's equipped with a vacuum or air pressure gauge indicating capacity to operate the brakes?
  40. What should you do if your bus comes equipped with updated or special equipment not included on the standard checklist?
  41. How can you verify if the parking brake is functioning correctly?
  42. What step should be taken when the oil pressure warning light does not go out as the bus is starting?
  43. As a minimum, how full should you keep the power steering fluid in your bus?
  44. What action should you take if the bus is equipped with an oil pressure gauge and it does not indicate sufficient pressure?
  45. Why should a pre-trip inspection be completed in the position where the vehicle was last parked?
  46. Using a gauge, you measure vacuum or air pressure and find a substantial loss of pressure has occurred overnight. What can this indicate?
  47. When is it appropriate for the operator to add oil?
  48. Fan belts should be in good condition and have how much "give"?
  49. How long is a daily trip inspection report valid?
  50. What action should a bus driver consider when approaching a stop with traffic following or oncoming?
  51. What does the term 'double clutching' refer to?
  52. What is the 'service brake' in a bus?