Saskatchewan Class 4 Licence Test 3

If you're planning to drive a small bus/school bus (up to 24 passengers), a taxi, or an ambulance in Saskatchewan, you'll need a Class 4 commercial driver's licence. The transportation industry in SK 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 Saskatchewan 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 2025 SK commercial driver's manual. Good luck and drive safely!

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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

questions

correct answers to pass

passing score

Helpful links

SK Driver and Vehicle Services

Official Saskatchewan driver's manual (2025)

Our commitment to accuracy and quality in our practice tests

Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.

Written by Andrei Zakhareuski Updated over a week ago

At Tests.ca, we understand the importance of reliable and accurate practice tests to help you prepare for your driver's knowledge exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.

Here's an inside look at how we maintain the highest quality in our practice tests.

Content Creation and Verification Process

Alignment with Official Driving Handbooks:
Every question we develop is based on the most recent version of each province's official driving manual. Our team regularly monitors each province's official website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors.
User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly.
Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the provincial government manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the government publishes them.

Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your driver's knowledge exam.

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List of questions (classic view)

If a crash occurs while you are backing up with the aid of a guide, who will be held responsible?
If a fire starts in your vehicle, you should do which of the following?
If a front tire blows out, what should you do first?
If a peace officer asks for your logbook and supporting documents, what documents should you provide?
If an air line ruptures between the compressor and the supply reservoir, what will prevent loss of air pressure in the service brake system?
If another driver wants to pass your vehicle, what should you do?
If you are going to park for longer than ________, you should turn off your engine.
If you are parking a bus on a downgrade, you should
If you are parking a single-unit (straight) vehicle on an upgrade without a curb, you should
If you are parking a vehicle on a downgrade, you should
If you are parking your vehicle on an upgrade without a curb, you should
If you are required to keep a logbook, what must you have in your possession?
If you are unable to keep up with traffic on a steep grade, what should you do?
If you feel tired while driving,
If you find a defect or deficiency in your passenger vehicle, what should you do?
If you leave the paved portion of the roadway, which of these should you NOT do to return to the roadway?
If you miss your exit on a highway, you should
If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?
If you must drive more slowly than the traffic flow, you should
If you reduce a tire’s air pressure when it is warm,
If you see this sign, it means you are
If you're approaching a level railway crossing that is not protected by gates or railway crossing signals, what should you do?
If you're driving a 14-metre motorhome, what is the minimum following distance you should leave behind the vehicle in front of you?
If your brakes get wet, what should you do?
If your right wheels drop off the roadway, what should you do to get back onto the roadway?
If your vehicle breaks down on the freeway, you should
If your vehicle is carrying cargo, how often must you perform an en-route inspection of the cargo securement system?
If your vehicle lacks antilock brakes (ABS), how can you stop quickly on a wet or icy roadway?
If your vehicle starts to hydroplane, what should you do?
If your vehicle starts to pull strongly to the right, it indicates
In a sedan-type vehicle, how many passengers may be seated on your right side?
Are you legally allowed to exceed the speed limit to pass another vehicle?
When are you allowed to exceed the speed limit when passing another vehicle?
In an urban area such as a village, town or city, are you allowed to back up into an intersection or crosswalk?
In the context of commercial driving, what is a turnout?
Just before your vehicle comes to a full stop, you should __________ to prevent your vehicle from jerking back.
On a log-hauling truck, logs may extend up to _______ behind the bed of the truck.
On a long, narrow stretch of highway, a bus has just reached a passing lane. The bus is travelling slower than the rest of the traffic. What should the bus driver do?
On icy or other slippery roads, you should avoid using your
On-duty time includes which of the following?
On-duty time includes which of the following?
Overdriving your headlights at night is dangerous because
Partway through your trip, you must couple to another trailer. What should you do?
Rapid acceleration can increase your fuel consumption by up to
Reducing a tire’s air pressure when it is hot
Shared centre lanes are used for
Someone texts you while you're driving. What should you do?
Stopping on icy roads requires
The air pressure of a spare tire should equal
The area of a primary highway beyond the solid white line is meant for
What is important about seat belts?