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Based on 2025 SK commercial driver's licence manual
Updated for August 2025
FREE Saskatchewan Class 4 Licence Practice Test
In Saskatchewan, a Class 4 licence allows you to drive taxis, limousines, ambulances, and buses seating up to 24 passengers. It is a valuable asset for any commercial driver, expanding opportunities for a rewarding career. To apply, you must be 18 or older, meet medical fitness standards, and pass a vision test. To obtain a Class 4 licence, you must pass three knowledge tests: a Class 4 knowledge test, a basic knowledge test on the rules of the road, and a sign test. After passing these, you will have to demonstrate a pre-trip inspection and complete a road test in a Class 4 or 5 vehicle. To ensure the safety of passengers, you must also pass a criminal record check to operate taxis and rideshare vehicles.Obtaining a passing score on three different knowledge tests is no easy task. You must dedicate several weeks to your learning phase, where you will master the various aspects of commercial driving theory. The official Saskatchewan professional driver's handbook is the main reference for students like you. However, there are other tools that can make studying more efficient. Our Saskatchewan SGI Class 4 licence practice test can help you become a safe and responsible commercial driver. Prepare for the official written knowledge tests by regularly practising with this intuitive tool.Since you get unlimited attempts and nonstop access, you can easily include this practice test in your daily study routine. Make studying more enjoyable by using the available features to personalize your learning experience. The voice-over function can be a game changer for students struggling to maintain focus, especially in busy environments. Once activated, this feature will help you eliminate distractions and increase your learning potential. Don't be discouraged by low scores. Instead, learn from your mistakes by carefully reviewing each detailed explanation. Note this feedback down in a notebook or notebook app and revisit the material regularly.Getting a Class 4 licence in Saskatchewan can be challenging, but the right tools can make the process easier. Start today and take the first step toward your dream career.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
What you need to know
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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.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.
When operating an ambulance, when are you allowed to use flashing red lights and sirens?
What does this sign tell you about the road ahead?
What does this sign mean?
What emergency equipment is required in a bus?
What does this sign mean?
Which of the following is not a Class 4 vehicle?
What does this sign mean?
What does this sign mean?
What does this sign tell you?
When is it not necessary to do a shoulder check?
If you're on a 14-day cycle, what is the maximum number of hours you can drive within 14 consecutive days?
If someone is tailgating you, what should you do?
What is total stopping distance?
What does the term "space cushion" mean?
Every written trip inspection report must include which of the following?
If you find a major defect in your vehicle during your pre-trip inspection, when must it be repaired?
What does this sign mean?
What makes the roads extra slippery at the start of a rainfall?
At an intersection with no traffic lights or traffic signs, you should
How often should you look at your mirrors?
A broken centre line on a roadway means that you may
A bus driver should choose a safe driving speed, primarily based on
A controlled railway crossing may have
A light-rail transit (LRT) train may take up to ________ to stop in an emergency.
A Slow-Moving Vehicle sign should be placed on any vehicle that travels no faster than
A tire that is overinflated or underinflated can
A tractor-trailer travelling at high speeds creates air turbulence in which of the following areas?
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?
A white diamond marking in your lane indicates that
A white X pavement marking in your lane means that
What is a danger zone?
Which dashboard gauge can help you decide when to upshift?
Airbags are
An engine governor is
An octagonal (eight-sided) red sign is
An oncoming vehicle at night has not dimmed its high-beam headlights. What should you do?
Any defect or deficiency that you find on your bus must be
At a railroad crossing, flashing red lights and ringing bells mean that
At a stop sign, you must
At an intersection, the traffic light is red, but a police officer motions you to go through. What should you do?
At what speed should you back up your vehicle?
At which of the following engine speeds should you drive your vehicle?
Before you drive your vehicle, you should
Before you drive, you should
Before you enter a curve, what gear should you select?
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 ZakhareuskiUpdated 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.
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