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Alberta Class 4 Licence Test 12

  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Based on 2024 AB commercial driver's licence manual
  • Updated for June 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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AB commercial driver's licence
5 out of 5,
1 votes

About this test

If you're planning to drive a small bus/school bus (up to 24 passengers), a taxi, or an ambulance in Alberta, you'll need a Class 4 commercial driver's licence. The transportation industry in AB is booming, so now is a great time: Class 4 drivers are in high demand. But in order to drive one or more of those vehicles, you must first learn to drive carefully and safely. So before you can get your Class 4 licence, you must pass both a written and a practical test. The written test (also known as the Alberta Class 4 knowledge exam) has several multiple-choice questions. This 50-question Class 4 practice test is a great way to prepare: all of our questions are based on the official 2024 AB commercial driver's manual. Good luck and drive safely!

List of questions (classic view)

  1. Why should you use extra caution at railway crossings in rural areas?
  2. You are pulling a trailer equipped with air brakes. How can you tell if you have cross-connected the supply line and the service line?
  3. You are sharing a vehicle with another driver during a trip. The two of you disagree about which defects should be reported. What should you do?
  4. You may be fined as much as _______ for driving a vehicle whose brakes are out of adjustment.
  5. You're approaching an intersection, and you notice that the roadway beyond the intersection is blocked with traffic. What should you do?
  6. You're driving a vehicle equipped with air brakes. If the low air pressure warning signal comes on, what should you do?
  7. You're driving a vehicle equipped with an automatic front-wheel limiting system (ratio valve). If you brake hard during an emergency stop, the air pressure delivered to the front brakes will be approximately _____ of the air pressure to the rear brakes.
  8. Your vehicle's engine will start to lug (strain) if it is operated
  9. A Class 1 driver's licence allows you to drive which of the following?
  10. A Class 2 driver's licence allows you to drive which of the following?
  11. You're driving an ambulance in response to an emergency call. Whenever you exceed the speed limit or drive through stop signals, you must consider which of the following?
  12. A taxi driver must test the brakes on the taxi
  13. Drivers on Cycle 1 must not drive after completing ____ hours of on-duty time in seven consecutive days.
  14. Drivers on Cycle 2 must not drive after completing ____ hours of on-duty time in 14 consecutive days.
  15. During a pre-hill inspection of a vehicle equipped with hydraulic brakes, you should do which of the following?
  16. How are flares, fusees, and reflectors used?
  17. How should you upshift a gasoline-powered vehicle that is not equipped with a governor?
  18. If your passenger vehicle breaks down and you cannot continue the trip, what should you do?
  19. Where can passengers keep their baggage?
  20. While your vehicle is in motion, you should
  21. Who is responsible for making sure that a vehicle's emergency equipment is in working order?
  22. Why are hours of service regulations in place?
  23. Why should you adjust your head restraint so its top is at least level with the top of your head?
  24. Which of the following statements about off-tracking are true?
  25. You're driving a taxi, limousine, ride-hailing (e.g., Uber) vehicle, ambulance or van. Under ideal driving conditions, you should maintain a following distance of at least ________ behind the vehicle ahead.
  26. You're driving on a two-way street when you hear the siren of an approaching emergency vehicle. What must you do?
  27. As air pressure builds during your pre-trip inspection of the air brakes, the low air pressure warning device should deactivate at
  28. After working 120 hours in a 14-day cycle, drivers must take ____ consecutive hours of off-duty time before taking 70 hours of on-duty time.
  29. After you __________, you must take at least eight consecutive hours of off-duty time.
  30. What practices should be avoided while driving?
  31. What is the appropriate protocol for picking up or dropping off passengers?
  32. What's the safest way to handle a phone call while driving?
  33. How can you enhance your alertness at intersections?
  34. What actions should be taken when driving in pedestrian areas?
  35. To avoid a fixed stare, which is focusing on one object for too long, drivers should
  36. When deciding the following distance from the vehicle ahead, consider
  37. Identify the incorrect statement about approaching a crossover with a crossing pedestrian
  38. What does the acronym LPI represent?
  39. Upon encountering a stationary emergency vehicle on a highway, you are required to
  40. Choose the most accurate and correct statement
  41. When is it necessary to visit a collision reporting center after an accident?
  42. How should you react at an intersection when an emergency vehicle is approaching?
  43. Distracted driving as defined in the Highway Traffic Act includes
  44. What does this sign on a vehicle's rear signify?
  45. Define a bike box.
  46. In terms of road safety, what does 'dooring' mean?
  47. The Dutch method instructs individuals exiting a vehicle to
  48. When approaching a halted streetcar with open doors in the center lane while driving in the right lane, you should
  49. As a driver near pedestrians associated with public transit, you must
  50. The maximum penalty for dooring a cyclist is