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CDL Passenger Bus Exam Questions & Answers 2026 (11–20)

CDL Passenger Bus practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.

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  1. Q11During pre-trip inspection you find that the emergency roof hatches on the bus do not latch shut — they flutter slightly when you push them. Which of the following best describes the correct action and the regulatory reason?

    • APlace the bus out of service; roof hatches are required emergency exits that must both open readily and latch securely when closed
    • BTape them shut temporarily; the requirement is only that hatches open from the inside, not that they latch closed
    • CNotify the dispatcher by radio and proceed; federal rules allow operation for up to 24 hours pending repair of roof hatches
    • DDrive the route because roof hatches are ventilation items, not safety-critical exits, and need only work in the open direction
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    ✓ Correct answer: A. Place the bus out of service; roof hatches are required emergency exits that must both open readily and latch securely when closed

    The FMCSA CDL manual classifies roof hatches as emergency exits; they must open readily for evacuation AND latch securely when closed to maintain structural integrity and prevent inflight opening, so a hatch that will not latch is a defect that takes the bus out of service.

  2. Q12You are inspecting a bus that will cross an active drawbridge today. Which statement about drawbridge procedures is CORRECT per the CDL manual?

    • AA bus with fewer than 16 passengers is exempt from the drawbridge stop requirement
    • BBuses must stop before a drawbridge unless there is a traffic control signal showing green AND the bridge is not the type that must always be stopped at
    • CBuses must stop and yield only if the drawbridge signal is activated; a stationary bridge with no signal requires no special stop
    • DThe bus must stop, and the driver must personally inspect the bridge grating before proceeding regardless of traffic signals
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    ✓ Correct answer: B. Buses must stop before a drawbridge unless there is a traffic control signal showing green AND the bridge is not the type that must always be stopped at

    The CDL manual specifies that a bus must stop before a drawbridge unless a traffic-control signal is green AND the bridge is not designated as one requiring a mandatory stop; simply having no flashing lights is not sufficient to waive the stop requirement.

  3. Q13A school bus driver completes a route and parks the bus. During the required post-trip inspection walk-through, the driver finds a student's backpack but no child. What does the CDL manual require the driver to do next?

    • ASearch the entire bus thoroughly — including under seats and in any storage areas — to confirm no child is concealed or unconscious on board before securing the vehicle
    • BLeave the backpack at the front of the bus and file a lost-and-found report with the dispatcher
    • CCheck only the rear emergency door area, as concealed children are almost always found near exits
    • DLock the bus and call the school; the child likely departed at an earlier stop
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    ✓ Correct answer: A. Search the entire bus thoroughly — including under seats and in any storage areas — to confirm no child is concealed or unconscious on board before securing the vehicle

    The CDL manual's post-trip inspection requirement for school buses mandates a complete interior walk-through to every corner of the bus, including under seats and storage areas, to ensure no child is left behind before the vehicle is secured.

  4. Q14What is the purpose of the standee line on a bus?

    • AIt shows the driver where to stop at bus terminals
    • BIt marks the boundary behind which standing passengers must remain
    • CIt indicates the maximum luggage storage area
    • DIt identifies the location of the emergency exit
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    ✓ Correct answer: B. It marks the boundary behind which standing passengers must remain

    The standee line is a marked line two feet behind the driver's seat, and no standing passenger is permitted to stand forward of it while the bus is in motion.

  5. Q15Which of the following is true regarding standing passengers on a bus?

    • AStanding passengers may stand anywhere as long as they hold a handrail
    • BNo passenger may stand forward of the standee line while the bus is moving
    • CStanding passengers are allowed behind the driver only when all seats are taken
    • DStanding is only prohibited on the steps near the entrance door
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    ✓ Correct answer: B. No passenger may stand forward of the standee line while the bus is moving

    Federal regulations require that no passenger stand forward of the standee line, which is located two feet behind and parallel to the driver's seat.

  6. Q16Which type of cargo is generally prohibited from being carried in the passenger compartment of a bus?

    • ACarry-on luggage stored in overhead racks
    • BHazardous materials
    • CMusical instruments in soft cases
    • DFolded strollers placed in the aisle
    Show answer

    ✓ Correct answer: B. Hazardous materials

    The FMCSA CDL manual states that buses must not carry hazardous materials in the passenger space, with only narrow exceptions for small quantities of certain items.

  7. Q17Where must baggage and cargo be stowed on a bus to comply with safety regulations?

    • AOnly in the driver's area for safekeeping
    • BAt the front of the bus so the driver can monitor it
    • CIn a location where it will not block exits or fall on passengers
    • DIn any available space including the aisle if secured with bungee cords
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    ✓ Correct answer: C. In a location where it will not block exits or fall on passengers

    CDL regulations require that all baggage and cargo be secured so it does not block emergency exits, the aisle, or the driver's view, and will not shift and injure passengers.

  8. Q18A passenger wants to board your bus carrying a small container of gasoline for a lawn mower. What should you do?

    • ARefuse to allow it because flammable liquids are prohibited in the passenger space
    • BAllow it as long as it is placed in the overhead rack
    • CAllow it only if it is placed in the luggage bay under the bus
    • DAllow it if the container is tightly sealed and stored under the seat
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    ✓ Correct answer: A. Refuse to allow it because flammable liquids are prohibited in the passenger space

    Flammable liquids such as gasoline are classified as hazardous materials and are prohibited from the passenger compartment of a bus under FMCSA regulations.

  9. Q19Which of the following hazardous materials categories is permitted in small amounts inside the passenger space of a bus?

    • ASmall-arms ammunition, toiletry articles, and medical supplies carried by passengers for personal use
    • BDivision 2.3 poison gases
    • CClass 7 radioactive materials in secure containers
    • DFlammable solids and oxidizers in any quantity
    Show answer

    ✓ Correct answer: A. Small-arms ammunition, toiletry articles, and medical supplies carried by passengers for personal use

    The CDL manual identifies narrow exceptions that allow passengers to carry certain items such as small-arms ammunition, personal-use toiletries, and medical supplies in limited quantities inside the bus.

  10. Q20Before beginning a trip, you notice that a large suitcase has been placed in the aisle halfway between the front and rear doors. What is the correct action?

    • AMove or have it moved so the aisle and exits remain unobstructed
    • BAllow it if no passengers are seated near the suitcase
    • CSecure it with rope to the nearest seat leg
    • DAllow it provided the trip is less than 30 minutes
    Show answer

    ✓ Correct answer: A. Move or have it moved so the aisle and exits remain unobstructed

    Federal regulations require that baggage and cargo not obstruct the aisle or any emergency exit, so the suitcase must be properly stowed before the trip can begin.

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