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CDL passenger transport practice test

For the P endorsement: buses and vehicles for 16 or more people. 91 practice questions written from the Commercial Driver's License Manual (2025 CDL Manual), each with the manual section it comes from.

25 questions

  1. Question 1A vehicle needs a passenger (P) endorsement when it is designed to carry how many people?

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    B: 16 or more, including the driver. The passenger endorsement is required for a vehicle with a design capacity of 16 or more people, and the driver counts toward that number. Commercial Driver's License Manual (2025 CDL Manual): 1.1 Commercial Driver License Tests (Endorsements), page 1-2.

  2. Question 2Before driving your bus, when should you sign the previous driver's inspection report?

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    C: Only if defects reported earlier have been certified as repaired or not needing repair. Sign the previous driver's report only if the defects listed have been certified as repaired or as not needing repair. Your signature certifies that. Commercial Driver's License Manual (2025 CDL Manual): 4.1 Vehicle Inspection, page 4-1.

  3. Question 3Which set of emergency warning devices meets the requirement for a bus?

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    A: Three reflective triangles. A bus must carry emergency reflectors: 3 reflective triangles (or the listed alternatives of fusees or liquid-burning flares), plus a fire extinguisher. Commercial Driver's License Manual (2025 CDL Manual): 4.1.1 Vehicle Systems, page 4-1.

  4. Question 4You are driving with a roof hatch locked partly open. What should you keep in mind?

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    C: The bus needs more overhead clearance. With roof hatches open, the bus is taller, so keep its higher clearance in mind while driving. Commercial Driver's License Manual (2025 CDL Manual): 4.1.4 Roof Hatches, page 4-1.

  5. Question 5Where do bus crashes often happen?

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    D: At intersections. Intersections are a frequent location for bus crashes, so stay careful there even when other traffic has a stop sign or signal. Commercial Driver's License Manual (2025 CDL Manual): 4.3.3 Common Accidents, page 4-3.

  6. Question 6What crash do transit and school buses sometimes have when pulling out from a bus stop?

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    C: Scraping off mirrors or hitting passing vehicles. Transit and school buses pulling away from a stop sometimes clip passing vehicles or lose a mirror, so keep your bus's clearance in mind. Commercial Driver's License Manual (2025 CDL Manual): 4.3.3 Common Accidents, page 4-3.

  7. Question 7The posted speed for a banked curve is safe in good weather for:

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    A: Cars, but it may be too high for many buses. In good weather the posted speed is safe for cars but may be too high for many buses. Reduce speed for curves. Commercial Driver's License Manual (2025 CDL Manual): 4.3.4 Speed on Curves, page 4-3.

  8. Question 8You must stop in the roadway to let passengers off. How should you warn the drivers behind you?

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    A: Flash your brake lights and don't stop suddenly. Truck and bus drivers who stop in the roadway to unload passengers should warn following drivers by flashing the brake lights, and not stop suddenly. Commercial Driver's License Manual (2025 CDL Manual): 2.5.1 Signal Your Intentions, page 2-12.

  9. Question 9Which license classes can the passenger endorsement apply to?

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    C: Any class: A, B or C. The P endorsement applies to anyone who wants to drive a bus in any class, A, B or C. Commercial Driver's License Manual (2025 CDL Manual): 1.1 Commercial Driver License Tests (Endorsements), page 1-2.

  10. Question 10What does your signature on the previous driver's inspection report certify?

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    B: That the defects reported earlier have been fixed. Signing the previous driver's report is your certification that the defects reported earlier have been fixed. Commercial Driver's License Manual (2025 CDL Manual): 4.1 Vehicle Inspection, page 4-1.

  11. Question 11When does a bus NOT need to carry spare electrical fuses?

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    B: When it is equipped with circuit breakers. A bus must carry spare electrical fuses unless it is equipped with circuit breakers. Commercial Driver's License Manual (2025 CDL Manual): 4.1.1 Vehicle Systems, page 4-1.

  12. Question 12At a bus stop, what roadside objects should you watch for so the bus doesn't hit them?

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    B: Poles and tree limbs. Know how much room the bus needs and look out for poles and low tree branches at stops. Commercial Driver's License Manual (2025 CDL Manual): 4.3.3 Common Accidents, page 4-3.

  13. Question 13Your bus cannot make a right turn without swinging into another lane. How should you turn?

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    B: Turn wide as you complete the turn, keeping the rear close to the curb. Turn wide as you complete the turn and keep the rear of the vehicle close to the curb. Don't swing left first, or a driver behind may try to pass you on the right. Commercial Driver's License Manual (2025 CDL Manual): 2.7.6 Space for Turns, page 2-18.

  14. Question 14You signal to pull out from a bus stop into traffic. What should you do?

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    B: Wait for a gap large enough for the bus to accelerate and merge. A bus needs a large gap to speed up and merge, so wait until one opens. Don't count on other drivers slowing down just because you signal or start moving. Commercial Driver's License Manual (2025 CDL Manual): 4.3.3 Common Accidents, page 4-3.

  15. Question 15What can happen if a bus takes a curve too fast with good traction?

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    A: The bus may roll over. When the tires keep their grip, too much speed in a curve can tip a bus over; on a slippery road it is more likely to slide off. Commercial Driver's License Manual (2025 CDL Manual): 4.3.4 Speed on Curves, page 4-3.

  16. Question 16Which of these endorsements may be added to a Commercial Learner's Permit (CLP)?

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    A: Passenger. Only three endorsements can go on a CLP: passenger (P), school bus (S) and tank vehicle (N). Commercial Driver's License Manual (2025 CDL Manual): 1.1 Commercial Driver License Tests (Endorsements), page 1-2.

  17. Question 17What kind of tires is a bus not allowed to have on its front wheels?

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    B: Recapped or regrooved tires. Front wheels of a bus must not have recapped or regrooved tires. Federal rule 49 CFR 393.75 also bans retreaded tires there. Commercial Driver's License Manual (2025 CDL Manual): 4.1.1 Vehicle Systems, page 4-1.

  18. Question 18Along with emergency reflectors, which piece of emergency equipment must a bus have?

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    C: A fire extinguisher. Make sure the bus has the fire extinguisher and emergency reflectors required by law. Commercial Driver's License Manual (2025 CDL Manual): 4.1.1 Vehicle Systems, page 4-1.

  19. Question 19How far from a railroad crossing should you stop a bus?

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    B: Between 15 and 50 feet. Stop your bus between 15 and 50 feet before railroad crossings (49 CFR 392.10 has the same rule for buses carrying passengers). Commercial Driver's License Manual (2025 CDL Manual): 4.3.5 Railroad-highway Crossing/ Stops, page 4-3.

  20. Question 20What can happen if a bus takes a curve too fast on a slippery road?

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    B: It might slide off the curve. With poor traction, such as rain or snow, a bus going too fast might slide off the curve. Commercial Driver's License Manual (2025 CDL Manual): 4.3.4 Speed on Curves, page 4-3.

  21. Question 21A CLP holder with a passenger endorsement is driving a bus. Who may ride along as a passenger?

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    C: Only the accompanying CDL holder, test examiners, other trainees, and federal or state auditors and inspectors. A CLP with a P endorsement carries the 'P' restriction (no passengers in a CMV bus), which allows only auditors and inspectors, test examiners, other trainees and the accompanying CDL holder. Commercial Driver's License Manual (2025 CDL Manual): 1.1 Commercial Driver License Tests (Restrictions), page 1-3.

  22. Question 22As you check the outside of the bus, you find a baggage access panel open. What should you do?

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    D: Close it before driving. Close any open access panels (baggage, restroom service, engine and so on) and any open emergency exits before driving. Commercial Driver's License Manual (2025 CDL Manual): 4.1.2 Access Doors and Panels, page 4-1.

  23. Question 23Your bus has broken down with riders aboard. When may it be towed or pushed with the riders still on it?

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    C: Only if getting off would be unsafe, and then only to the nearest safe spot to discharge them. Do not tow or push a disabled bus with riders aboard unless getting off would be unsafe, and then only to the nearest safe spot to discharge them (also 49 CFR 392.63). Commercial Driver's License Manual (2025 CDL Manual): 4.5 Prohibited Practices, page 4-4.

  24. Question 24Stopped at a railroad crossing, when should you open the forward door?

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    A: If it improves your ability to see or hear an approaching train. Look and listen in both directions. Opening the front door can help you see or hear a train coming. Commercial Driver's License Manual (2025 CDL Manual): 4.3.5 Railroad-highway Crossing/ Stops, page 4-3.

  25. Question 25Your bus leans toward the outside on a banked curve. What does that tell you?

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    C: You are driving too fast. Leaning toward the outside of a banked curve is a sign the bus is going too fast for it. Commercial Driver's License Manual (2025 CDL Manual): 4.3.4 Speed on Curves, page 4-3.

Answer every question to see your score.

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Our own questions, written from the Commercial Driver's License Manual (2025 CDL Manual), official manual, and checked against it.