Driving Test Practice

Missouri: Right-of-way, turning and passing — Part 3 Practice Test

Questions in this part include: “How far may a vehicle travel in a two-way left-turn lane?” · “As you drive toward a roundabout entrance, which way should you look?”

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17 questions · About 7 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 17 questions in this practice test

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  1. When should you enter a two-way left-turn lane?

    A two-way road with an empty center left-turn lane and a blue car in its own lane with its left signal on, a parking-lot driveway ahead on the left.
    • When you want to pass slower traffic ahead of you
    • When preparing to slow down or stop for a left turn
    • When you need a lane to travel a long distance
    • When you are entering the road from a side street
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    Correct answer: When preparing to slow down or stop for a left turn

    Only enter this lane when preparing to slow down or stop before making a left turn from the main roadway.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  2. How far may a vehicle travel in a two-way left-turn lane?

    • No more than 100 feet
    • No more than 250 feet
    • No more than 500 feet
    • No more than 1,000 feet
    Show answer

    Correct answer: No more than 500 feet

    A vehicle may not travel in a two-way left-turn lane for more than 500 feet.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  3. What does the manual say about using a two-way left-turn lane when entering the roadway from a side street?

    Top view of a road with one lane each way and a middle lane marked with solid and broken yellow lines and white turn arrows; a blue car waits at the stop line of a side street joining from below while a red car and a white car pass on the road.
    • Do not use it
    • Use it to merge into traffic
    • Use it only at night
    • Use it if traffic is heavy
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    Correct answer: Do not use it

    The manual says not to use the two-way left-turn lane when entering the roadway from a side street.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  4. A roundabout may be used as an alternative to which kinds of intersections?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • Signalized and all-way stop intersections
    • Railroad grade crossings and freeway ramps
    • School zones and work zones
    • Tunnels and bridges
    Show answer

    Correct answer: Signalized and all-way stop intersections

    Roundabouts are a traffic control device that may be used as an alternative to signalized and all-way stop intersections.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  5. Which traffic sign do roundabouts feature at all entering roadway legs?

    A blue car waiting on an approach to a single-lane roundabout with a landscaped center island, while other cars drive around the circle
    • Stop signs
    • Merge signs
    • Yield signs
    • Do Not Enter signs
    Show answer

    Correct answer: Yield signs

    Roundabouts feature yield traffic signs at all entering roadway legs.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  6. What kind of turn do drivers make as they approach and enter a roundabout?

    An empty single-lane roundabout seen from above: a planted island in the center, a circular roadway and four roads joining it, with no cars and no signs.
    • A sharp left turn
    • A slight right turn
    • A U-turn
    • No turn, they go straight ahead
    Show answer

    Correct answer: A slight right turn

    At a roundabout, drivers who approach the intersection make a slight right turn to go counterclockwise around a circular center island.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  7. In which direction do you travel around the center island of a roundabout?

    An empty single-lane roundabout seen from above: a planted island in the center, a circular roadway and four roads joining it, with no cars and no signs.
    • Clockwise
    • Whichever way is shorter
    • In either direction, depending on your exit
    • Counterclockwise
    Show answer

    Correct answer: Counterclockwise

    Drivers make a slight right turn to go counterclockwise around the circular center island.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  8. What should you do before entering a roundabout?

    A blue car waiting on an approach to a single-lane roundabout with a landscaped center island, while other cars drive around the circle
    • Sound your horn
    • Speed up to merge
    • Stop in the crosswalk
    • Slow down
    Show answer

    Correct answer: Slow down

    The manual says to slow down before entering the roundabout.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  9. At a multi-lane roundabout, what directs you into the correct lane?

    An overhead view of a two-lane roundabout with cars waiting side by side in both entry lanes and two cars circulating side by side inside the circle.
    • The vehicle in front of you
    • Roadside signs and pavement markings
    • The flow of vehicles around you
    • Your turn signal
    Show answer

    Correct answer: Roadside signs and pavement markings

    For multi-lane roundabouts, observe roadside signs and pavement markings to direct you into the correct lane.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  10. As you drive toward a roundabout entrance, which way should you look?

    • To your right
    • Straight ahead only
    • To your left
    • Behind you
    Show answer

    Correct answer: To your left

    Look to your left as you drive towards the entrance, and yield to traffic already in the roundabout, bicyclists, and pedestrians in the crosswalk.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  11. When should you enter a roundabout?

    An overhead view of an empty two-lane roundabout with splitter islands and YIELD signs at each entry.
    • When there is a gap in traffic
    • As soon as you reach the entrance
    • When the traffic in the circle stops
    • When the vehicle ahead of you enters
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    Correct answer: When there is a gap in traffic

    Enter when there is a gap in traffic and merge with the other flow of vehicles.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  12. What must you never do to enter a roundabout?

    A car waiting at the entry line of a circular intersection while other cars pass in front of it inside the circle.
    • Make a left turn
    • Make a right turn
    • Slow down
    • Yield to pedestrians
    Show answer

    Correct answer: Make a left turn

    The manual says to NEVER make a left turn to enter a roundabout.

    Source: Missouri Driver Guide (Revised August 2026), page 26 · Open this page in the manual

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  13. While traveling through a roundabout, which side of the center island must you stay on?

    An empty single-lane roundabout seen from above: a planted island in the center, a circular roadway and four roads joining it, with no cars and no signs.
    • The left side
    • Either side, depending on your exit
    • The right side
    • The side that has the fewest vehicles
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    Correct answer: The right side

    The manual says to always stay to the right of the center island.

    Source: Missouri Driver Guide (Revised August 2026), page 27 · Open this page in the manual

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  14. Who has the right of way at a roundabout?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • Vehicles entering the roundabout
    • Vehicles within the roundabout
    • Vehicles waiting at the crosswalk
    • Vehicles about to exit
    Show answer

    Correct answer: Vehicles within the roundabout

    Vehicles within the roundabout have the right of way.

    Source: Missouri Driver Guide (Revised August 2026), page 27 · Open this page in the manual

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  15. What should you not do within a roundabout?

    An overhead view of a two-lane roundabout with cars waiting side by side in both entry lanes and two cars circulating side by side inside the circle.
    • Keep a slow speed when exiting
    • Use your right turn signal to exit
    • Watch for pedestrians and bicyclists
    • Change lanes
    Show answer

    Correct answer: Change lanes

    The manual says not to change lanes within a roundabout.

    Source: Missouri Driver Guide (Revised August 2026), page 27 · Open this page in the manual

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  16. Why should you give special consideration to trucks, trailers, and other large vehicles in a roundabout?

    A tractor-trailer drives around a single-lane roundabout, its trailer wheels on the central island's paved apron, while a blue car waits at the yield line of an entry.
    • They are always allowed to pass other vehicles in it
    • They may need to use more than one lane
    • They may stop in the circle to let traffic by
    • They may travel the wrong way around the circle
    Show answer

    Correct answer: They may need to use more than one lane

    Trucks, trailers, and other large vehicles may need to use more than one lane within a roundabout.

    Source: Missouri Driver Guide (Revised August 2026), page 27 · Open this page in the manual

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  17. What does the manual say not to attempt in a roundabout, especially around large trucks?

    A tractor-trailer drives around a single-lane roundabout, its trailer wheels on the central island's paved apron, while a blue car waits at the yield line of an entry.
    • To use your right turn signal
    • To watch for pedestrians
    • To pass any vehicles
    • To yield to vehicles in the circle
    Show answer

    Correct answer: To pass any vehicles

    The manual says not to attempt to pass any vehicles in a roundabout, especially large trucks.

    Source: Missouri Driver Guide (Revised August 2026), page 27 · Open this page in the manual

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