Driving Test Practice

Missouri: Emergency vehicles, work zones and traffic stops — Part 2 Practice Test

Questions in this part include: “What should you expect to see when approaching a mobile work zone?” · “Which set of documents may an officer ask to see during a traffic stop?”

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21 questions · About 8 min

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  • Every answer cites its source in the manual
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Questions are original and based on the official manual "Missouri Driver Guide" (Revised August 2026), Missouri Department of Revenue.

All 21 questions in this practice test

Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.

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  1. What should you do as you approach a flagging operation?

    An orange diamond sign showing a person holding a flag, orange cones, an orange truck and a person in an orange vest and white hard hat beside a two-lane road.
    • Speed up to clear the zone before the flagger signals
    • Be prepared to stop and follow the flagger's instructions
    • Follow the car ahead and ignore the flagger
    • Move to the shoulder and wait for the workers
    Show answer

    Correct answer: Be prepared to stop and follow the flagger's instructions

    For a flagging operation you should be prepared to stop as you approach the work zone and follow the flagger's instructions.

    Source: Missouri Driver Guide (Revised August 2026), page 53 · Open this page in the manual (Manual page 53)

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  2. What may workers in a mobile work zone do?

    Top view of a highway with two lanes going the same way: an orange work truck with amber roof lights and a yellow-and-black striped block at its back drives in the right lane, and a blue car follows farther back in the left lane.
    • Work only on the shoulder
    • Work only when no traffic is present
    • Work only from inside their vehicles
    • Exit their vehicles briefly to conduct work
    Show answer

    Correct answer: Exit their vehicles briefly to conduct work

    In a mobile work zone, workers may exit their vehicles briefly to conduct work.

    Source: Missouri Driver Guide (Revised August 2026), page 53 · Open this page in the manual (Manual page 53)

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  3. In a mobile work zone, what does the manual tell you to follow?

    Top view of a highway with two lanes going the same way: an orange work truck with amber roof lights and a yellow-and-black striped block at its back drives in the right lane, and a blue car follows farther back in the left lane.
    • The directional guide of the flashing arrow panel
    • The taillights of the slowest work vehicle
    • The lane lines alone
    • The speed of the traffic behind you
    Show answer

    Correct answer: The directional guide of the flashing arrow panel

    In a mobile work zone you follow the directional guide of the Flashing Arrow Panel.

    Source: Missouri Driver Guide (Revised August 2026), page 53 · Open this page in the manual (Manual page 53)

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  4. What should you expect to see when approaching a mobile work zone?

    • A flagger holding a stop paddle at both ends of the work zone
    • A row of orange barrels placed across every lane of the road
    • A protective vehicle with a flashing arrow panel showing the merge lane
    • A lowered gate and flashing red lights at each work zone end
    Show answer

    Correct answer: A protective vehicle with a flashing arrow panel showing the merge lane

    A driver approaching a mobile work zone should expect a protective vehicle in the lane with a flashing arrow panel designating the correct lane to merge to.

    Source: Missouri Driver Guide (Revised August 2026), page 53 · Open this page in the manual (Manual page 53)

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  5. What does the sign on the protective vehicle in a mobile work zone usually state?

    • ROAD CLOSED
    • SLOW VEHICLES
    • WORK ZONE ENDS
    • KEEP LEFT
    Show answer

    Correct answer: SLOW VEHICLES

    The protective vehicle in a mobile work zone is marked with a sign, usually stating "SLOW VEHICLES".

    Source: Missouri Driver Guide (Revised August 2026), page 53 · Open this page in the manual (Manual page 53)

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  6. You see emergency lights behind you. What should you do?

    A police car with its red and blue lights flashing, driving behind a blue car in the same lane
    • Speed up slightly to reach a well-lit place, and then stop there
    • Activate your turn signal and pull off or to the side of the roadway safely
    • Stop immediately in your travel lane with the flashers turned on
    • Keep driving at the same speed until the officer drives past you
    Show answer

    Correct answer: Activate your turn signal and pull off or to the side of the roadway safely

    When you see emergency lights behind you, stay calm, activate your turn signal, and pull off or to the side of the roadway as soon and safely as possible.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  7. When stopped by a law enforcement officer, what should you do with the ignition and the radio?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Turn them off
    • Leave them on
    • Turn off the radio and leave the engine running
    • Turn up the radio to hear the officer
    Show answer

    Correct answer: Turn them off

    Turn off the ignition and radio, and stay in your vehicle unless directed by the officer to exit.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  8. When stopped by a law enforcement officer, where should you keep your hands?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • On your lap
    • Reaching for the glove box
    • On the steering wheel
    • Out of sight under the seat
    Show answer

    Correct answer: On the steering wheel

    Keep your hands on the steering wheel so they are easily observable.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  9. During a traffic stop, what should you ask your passengers to do?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Get out and stand away from the vehicle by the road
    • Stay calm and in the vehicle, with their hands in plain view
    • Help look for the vehicle documents in the glove box
    • Use their phones to record the whole stop on video
    Show answer

    Correct answer: Stay calm and in the vehicle, with their hands in plain view

    Ask your passengers to remain calm and to stay in the vehicle while keeping their hands in plain view as well.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  10. What does the manual say about using cell phones and mobile devices during a traffic stop?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Only the driver may use them during the whole stop
    • Only the passengers may use them during the stop
    • Anyone may use them if the officer takes a long time
    • They should not be used by you or any of your passengers
    Show answer

    Correct answer: They should not be used by you or any of your passengers

    Cell phones and mobile devices should not be used by you or any of your passengers during the stop.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  11. During a traffic stop, what should you do about your driver license and vehicle documents?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Reach for them right away to save the officer a lot of time
    • Hold them out of the window before the officer walks up to you
    • Do not search for them; wait for the officer to give you instructions
    • Start searching for them as soon as you have stopped the vehicle
    Show answer

    Correct answer: Do not search for them; wait for the officer to give you instructions

    Do not make sudden moves or search for your driver’s license or vehicle documents; wait for the officer to give you instructions.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  12. You have a weapon in the vehicle when stopped by a law enforcement officer. What should you do?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Inform the officer upon first contact
    • Say nothing unless the officer asks
    • Hide it under the seat
    • Tell the officer only if you are asked to exit
    Show answer

    Correct answer: Inform the officer upon first contact

    If you have a weapon(s) in the vehicle, inform the officer upon first contact.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  13. You are stopped by a law enforcement officer at night. What should you do to help the officer see inside your vehicle?

    At night, a police car with flashing lights stopped behind a white car on the shoulder, and an officer walking up to the car
    • Turn on your high beams so the officer sees you
    • Turn off all of your lights, including the interior ones
    • Turn on your hazard flashers and nothing else
    • Turn on your interior lights as soon as you stop
    Show answer

    Correct answer: Turn on your interior lights as soon as you stop

    To assist with visibility, turn on your interior lights as soon as you stop to help the officer see inside your vehicle.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  14. The officer who stopped you is not in uniform. What does the manual say?

    • You may not ask to see the officer’s credentials at all
    • The officer shows credentials, or you may ask to see them
    • You must drive to the nearest police station before stopping
    • You must call the police agency before you roll down your window
    Show answer

    Correct answer: The officer shows credentials, or you may ask to see them

    If the officer isn’t in uniform they will show you their law enforcement credentials or you may ask to see them.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  15. Which set of documents may an officer ask to see during a traffic stop?

    • Driver license, proof of insurance, and vehicle registration
    • Driver license, vehicle title, and bill of sale
    • Birth certificate, proof of insurance, and registration
    • Driver license, inspection report, and vehicle title
    Show answer

    Correct answer: Driver license, proof of insurance, and vehicle registration

    The officer may ask to see your driver license, proof of insurance, and vehicle registration.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  16. During a traffic stop, the documents the officer asks for are out of your reach. What should you do?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Reach for them quickly without saying anything first
    • Get out of the vehicle to find them in the trunk
    • Tell the officer where they are before you reach for them
    • Ask a passenger to search the vehicle quietly for them
    Show answer

    Correct answer: Tell the officer where they are before you reach for them

    If the documents are out of your reach, tell the officer where they are before you reach for them.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  17. The officer asks you to exit the vehicle. What should you do?

    A police car with flashing lights parked behind a white car on the shoulder, an officer at the driver's window and a red car passing
    • Stay beside your open door with your back to the traffic
    • Stay safely away from traffic and keep your hands in plain view
    • Stand in the travel lane so that you can be seen clearly
    • Keep your hands in your pockets to stay warm and calm
    Show answer

    Correct answer: Stay safely away from traffic and keep your hands in plain view

    If the officer asks you to exit the vehicle, stay safely away from traffic and keep your hands in plain view.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  18. You believe a law enforcement officer acted inappropriately during a stop. What does the manual say to do?

    • Argue with the officer at the roadside until he or she apologizes
    • Do nothing, since such reports are never accepted by the agency
    • Report it to the Department of Revenue license office in person
    • Document the officer’s behavior and report it to the officer’s agency
    Show answer

    Correct answer: Document the officer’s behavior and report it to the officer’s agency

    If you believe the officer acted inappropriately, document the officer’s behavior and report it to the officer’s agency in a timely manner.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  19. Why do law enforcement officers conduct traffic stops, according to the manual?

    • They see a violation or are conducting a police investigation
    • Only when a driver asks the officer for help on the road
    • Only to check driver licenses and vehicle registrations
    • Only when the officer believes a driver has been drinking
    Show answer

    Correct answer: They see a violation or are conducting a police investigation

    Officers conduct traffic stops because they observe a traffic violation or are conducting a police investigation.

    Source: Missouri Driver Guide (Revised August 2026), page 60 · Open this page in the manual (Manual page 60)

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  20. Which of these is a legal right you have during a traffic stop, according to the manual?

    • The right to leave the traffic stop whenever you choose to go
    • The right to drive without a license for one day
    • The right to be free from being forced to incriminate yourself
    • The right to have the ticket cancelled on the spot
    Show answer

    Correct answer: The right to be free from being forced to incriminate yourself

    The manual lists the right to be free from unreasonable search and seizure, the right to remain silent (not incriminating yourself), and the right to an attorney.

    Source: Missouri Driver Guide (Revised August 2026), page 61 · Open this page in the manual (Manual page 61)

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  21. What may happen to your driving privilege if you are in a crash and strike a highway worker or emergency responder within a designated construction, work, or emergency zone?

    • It is always cancelled for life
    • It is never affected if no one is hurt
    • It is lowered to a learner status
    • It may be revoked
    Show answer

    Correct answer: It may be revoked

    Striking a highway worker or emergency responder in a designated construction, work, or emergency zone may lead to revocation of your driving privilege.

    Source: Missouri Driver Guide (Revised August 2026), page 82 · Open this page in the manual (Manual page 82)

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