2024 ON Commercial General Knowledge Test: 50 Essential Questions
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 ON commercial driver's licence manual
- Triple-checked for accuracy
- Updated for October 2024
This test is a Premium member exclusive. You'll get
What you need to know
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Want to drive a commercial truck in Ontario? You need a specific licence. Get the edge you need with this practice test containing 50 questions. It’s based on the 2024 ON commercial driver's license manual and gives you instant feedback for every answer. The official written test requires an 80% pass rate. So, aim high on this practice test. All questions offer detailed explanations to bolster your knowledge. Whether you're a first-time applicant, renewing your licence, or adding endorsements, this test has you covered. Perfect your skills, understand the rules, and join the ranks of commercial drivers in Ontario. Good luck and drive safely!
What to expect on the official exam
50
questions
40
correct answers to pass
80
passing score
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.
List of questions (classic view)
- Which of the following statements is false? A driver is not obliged to keep a daily log if the driver...
- After a minimum of eight hours off-duty, a driver is not permitted to drive more than how many hours?
- Why should you shift to a lower gear when travelling down long, steep hills?
- When halting at railway crossings, how close should you stop to the nearest rail or gate?
- When executing an alley dock, backing from which side is advisable?
- In the stopping procedure at railway crossings, which lights are not activated by school buses?
- Which type of vehicles must stop at railway crossings that are not protected by gates, signal lights, or a stop sign?
- Under full emergency braking, approximately how far would it take for a train to come to a complete stop?
- Before backing your vehicle, you should NOT
- To avoid halting in the middle of railway tracks, what action should be taken?
- When receiving help from a guide for backing up, where should they position themselves?
- At pedestrian crossovers, when are drivers allowed to proceed?
- While driving around a curve to the right, why should the front wheels be kept close to the left side of the lane?
- What leads to a greater off-tracking?
- What action should you take if you're unable to keep up with the pace of traffic?
- What is the penalty for drivers who do not obey the rules at a school crossing?
- What is the maximum speed-limiting system setting for commercial motor vehicles?
- Which statement about legal stopping positions is not true?
- Under what conditions must you stop if you're on a road with a median strip and you're approaching a school bus with flashing upper lights?
- How long must you stop for a school bus with flashing upper lights?
- Which of the following reasons is FALSE: Never use your left-turn signal to indicate to motorists behind you that it’s safe to pass because
- What is the condition for proceeding when a school-crossing guard displays a stop sign?
- Which of the following should not be done before crossing railway tracks?
- How many demerit points can be received by not stopping for a stopped school bus?
- Speed limiters apply to vehicles made in 1995 or newer with a manufacturer's gross vehicle weight rating (MGVWR) of what amount?
- Why should you keep the front wheels close to the right edge of the pavement when negotiating a left curve?
- Which of the following does not belong in the process of backing up straight?
- Why is using a guide recommended when backing up?
- What does the term 'off-track' refer to in driving context?
- What is the mandatory distance you must stop behind a school bus with upper flashing lights?
- You're driving a tractor-trailer. How would you negotiate a right turn on a narrow street without the rear wheels overrunning the curb?
- What is the minimum following distance that commercial vehicles must maintain when driving at speeds over 60 km/h?
- While being overtaken in a large commercial vehicle, how can you assist a smaller vehicle to pass safely?
- Does the Anti-lock Braking System (ABS) help your vehicle come to a stop faster?
- Is it permissible to go into or cross a bicycle lane for making a right turn at an intersection or driveway?
- Which of these is NOT usually a municipal bus bay that you might pass?
- When encountering oncoming vehicles with high-intensity headlights at night, how should you adjust your sight to minimize the glare?
- What does it mean to "over-drive" your headlights?
- Which of these statements is incorrect? Besides road conditions, which of these can also cause a skid?
- How should you treat individuals using mobility devices (e.g., motorized wheelchairs and medical scooters)?
- You should switch to your low-beam headlights when you are within what distance from a vehicle you're following?
- Which of the following is not a safety tip for driving in snowy conditions?
- If a bus in a bus bay begins flashing its left-turn signals, indicating that it wants to merge back into traffic, and you are approaching in the lane adjacent to the bus bay, what should you do?
- Which of the following isn't a sign that your fatigue level is high enough to put you at risk on the road?
- Are larger vehicles permitted to drive on the central apron of roundabouts, the raised portion of pavement next to the central island?
- What is hydroplaning?
- With what type of vehicle is threshold braking typically used?
- Why should you avoid honking excessively while overtaking a cyclist?
- Which of these statements is incorrect? Black ice will generally form...
- What's the risk involved in driving into a large puddle?