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  • Based on 2024 AB commercial driver's licence manual
  • Updated for December 2024

FREE Alberta Class 4 Licence Knowledge Exam Practice 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!
AB commercial driver's licence
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy
What you need to know
4.35 out of 5 • 23 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.
What to expect on the official exam
50

questions

40

correct answers to pass

80

passing score

List of questions (classic view)
  1. What does this sign mean?
  2. What does this sign mean?
  3. Why do the hours of service regulations exist?
  4. What does this sign mean?
  5. How do you ease your vehicle into a smooth stop?
  6. When operating an ambulance, when are you allowed to use flashing red lights and sirens?
  7. What does this sign tell you about the road ahead?
  8. What does this sign mean?
  9. What emergency equipment is required in a bus?
  10. What does this sign mean?
  11. Which of the following is not a Class 4 vehicle?
  12. What does this sign mean?
  13. What does this sign mean?
  14. What does this sign tell you?
  15. When is it not necessary to do a shoulder check?
  16. If you're on a 14-day cycle, what is the maximum number of hours you can drive within 14 consecutive days?
  17. If someone is tailgating you, what should you do?
  18. What is total stopping distance?
  19. What does the term "space cushion" mean?
  20. Every written trip inspection report must include which of the following?
  21. If you find a major defect in your vehicle during your pre-trip inspection, when must it be repaired?
  22. What does this sign mean?
  23. What makes the roads extra slippery at the start of a rainfall?
  24. At an intersection with no traffic lights or traffic signs, you should
  25. How often should you look at your mirrors?
  26. If you see this sign, it means you are
  27. When you encounter a flashing yellow signal at an intersection, what should you do?
  28. At a railroad crossing, flashing red lights and ringing bells mean that
  29. How many “School Bus” signs should be displayed on a vehicle operating as a school bus?
  30. How frequently should the operator of a school bus wash the floor with a disinfectant solution?
  31. What are the four key skills that you must develop for driving?
  32. In Alberta, a Class 4 license does not permit you to operate a vehicle with a seating capacity greater than ___.
  33. In Alberta, you do not need ___ to operate a single motor vehicle registered as a farm vehicle.
  34. In Alberta, to operate a farm vehicle requiring the driver to hold a specific type of operating licence, you should hold a ___.
  35. To operate a vehicle with an air brake system, you need an Air brake or ___ Endorsement.
  36. If your vehicle has an air compressor to assist in the hydraulic brakes (Air actuated hydraulic braking system), you _______ need a Q endorsement on your license.
  37. What term defines a vehicle designed to carry 11 or more passengers?
  38. What is added to your license after completing an airbrake course?
  39. What is added to your license after completing the school bus driver improvement program?
  40. SFC is an abbreviation for which term?
  41. Within what jurisdiction do farmers not have to obtain a SFC?
  42. What do carriers need to have regarding the maintenance and upkeep of their vehicles?
  43. After driving for how many hours is a driver prohibited from continuing?
  44. After how many hours of working is a driver not allowed to drive?
  45. A driver should deliver the log book to their employer every ___ days?
  46. If a driver starts and ends in the same place, drives less than 160 km and works for 15 or fewer hours, and employers keep records of the driver's shifts, the driver is not required to...
  47. VIP stands for ___
  48. Which types of vehicles are required to be inspected under the VIP?
  49. According to NSC standards, where should cargo be stored?
  50. For how long are trip inspections valid?
  51. What is the minimum tread depth a steering axle tire must have on a commercial vehicle?
  52. What is the maximum permitted width of a commercial vehicle?
  53. In Alberta, what is the maximum allowed distance from the curb when you're parking your vehicle?