- Based on 2025 ON commercial driver's licence manual
- Updated for January 2025
Ontario Class B (Bus) Commercial Licence Practice Test 3
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Triple-checked for accuracy
questions
correct answers to pass
passing score
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Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
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More resources
- Within seven consecutive days, how many hours can a driver be on duty before they are not allowed to drive?
- What does a red and orange sign displayed by farm machinery on the road indicate?
- What is a factor that may cause a vehicle to skid?
- What should you do when facing oncoming vehicles with bright headlights at night?
- After at least eight hours off-duty, a school bus driver cannot drive more than how many hours?
- What is a potential risk of driving in puddles?
- When temperatures drop below freezing, which of these is least likely to freeze first?
- What precaution should drivers take when driving near a roadside construction site?
- What kind of vehicle generally uses threshold braking?
- What is the safest action if dense fog drastically reduces visibility while you're driving?
- When are drowsy-driving collisions most likely to occur according to research?
- What is legally required of a driver involved in a collision?
- Which is not a recommended safety tip for driving in snow?
- It is unlawful to follow at a distance less than how many metres from emergency vehicles like fire vehicles or ambulances?
- What should you avoid doing when you see an approaching emergency vehicle with its lights or siren on?
- All of the following can help reduce the risk of skidding EXCEPT
- Which statement is incorrect? These factors may lead to skid
- By law, when should you report any collision to the police?
- At what speed should you test your vehicle's brakes by stopping quickly and firmly when they are wet?
- Which of the following isn't a method to reduce your chances of colliding with an animal on a roadway?
- If you encounter a large animal while driving, you should NOT
- In winter, what should the road's asphalt look like?
- Why are animal-crossing signs installed on the road?
- How does the anti-lock braking system (ABS) function?
- Does the Anti-lock Braking System (ABS) reduce the vehicle's stopping distance?
- What does hydroplaning refer to?
- During a vehicle breakdown where the speed limit is above 60 km/h, at what distance should you place flares, lamps, lanterns or reflectors in front of your vehicle?
- During a vehicle breakdown, at what distance should you place flares, lamps, lanterns or reflectors behind your vehicle?
- If there's an injured person at a collision scene but you're not trained in first aid, what should you do?
- If your bus breaks down on the highway, what's the best course of action?
- As per police, fire or ambulance, which other vehicle is considered an emergency vehicle when it's stopped with flashing lights?
- What should you do immediately after driving through a flooded roadway?
- How does the Anti-lock Braking System (ABS) function?
- Which of these is not an indicator that your fatigue level could put you at risk while driving?
- Which of these statements is incorrect? To decrease driver distractions, you should...
- Which of the following is not usually treated as an unusual temporary condition sign on the road?
- To safely load or unload passengers, the driver should be able to see the road in each direction to a minimum distance of...?
- Is it obligatory to share your information with a driver even when the damage caused during an accident is minimal?
- When exiting the bus during an emergency, what is the driver's responsibility after all passengers have left?
- If a yellow beacon is flashing above an intersection, what does this signify?
- Are school buses permitted to reverse on school grounds?
- The automatic transmission in your bus does not have a "Park" position. To park your bus, what position should you use instead?
- If you have to back up at a non-designated location, what should be done to ensure safety?
- How can drivers identify a school-bus loading zone?
- Before setting off, what must you do to ensure that no passengers are crossing in front of the school bus?
- Is it necessary to operate the flashing lights and stop arm within a school-bus loading zone?
- When stopped at a railroad crossing, what action should the driver take?
- Is there any circumstance in which you are permitted to make a left turn on a red light
- At what frequency should evacuation exercises take place?
- What shape are warning signs typically?