Driving Test Practice

Delaware: Right-of-way and turning — Part 2 Practice Test

Questions in this part include: “What is a Diverging Diamond Intersection (DDI) based on?” · “What can happen to a shared center lane in some areas during rush hours?”

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19 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 "Delaware Driver Manual" (July 2026), Delaware Division of Motor Vehicles (DMV).

All 19 questions in this practice test

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  1. What does the design of a roundabout reduce the need for?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • Traffic signals at every entry to the intersection
    • Pedestrian crosswalks at the exits of the roundabout
    • Direct left turns, a major reason for intersection crashes
    • Right turns, which are a major reason for crashes
    Show answer

    Correct answer: Direct left turns, a major reason for intersection crashes

    The manual says the design reduces the need for direct left turns, a major reason for intersection crashes.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  2. Which approach lane should you be in if you intend to turn right at 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.
    • The left approach lane
    • The right approach lane
    • Any approach lane
    • The center approach lane
    Show answer

    Correct answer: The right approach lane

    The manual says to be in the right approach lane if you intend to turn right.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  3. Which approach lane should you be in if you intend to make a left turn or a U-turn at 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.
    • The right approach lane
    • Any approach lane
    • Whichever approach lane has less traffic
    • The left approach lane
    Show answer

    Correct answer: The left approach lane

    The manual says to be in the left approach lane if you intend on making a left or U-turn.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  4. Which approach lane may you use at a roundabout if you are proceeding straight?

    An overhead view of a roundabout with a planted central island, a circular street divided by a dashed white line, and four approach streets each with a red and white triangular YIELD sign; no cars in view.
    • Any approach lane
    • Only the right approach lane
    • Only the left approach lane
    • Only the lane closest to the central island
    Show answer

    Correct answer: Any approach lane

    The manual says any approach lane is okay if you are proceeding straight.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  5. When approaching a roundabout, which side of the splitter island should you stay on?

    Top view of a single-lane roundabout with four legs, each with a crosswalk and a splitter island; a blue car is in the circle and two pedestrians wait at the curbs by the crosswalks.
    • The left
    • Either side, whichever is clearer
    • The right
    • The side closest to the crosswalk
    Show answer

    Correct answer: The right

    The manual says to stay to the right of the splitter island when approaching the roundabout.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  6. To what speed should you slow down when approaching 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
    • 20-25 mph
    • 10-15 mph
    • 30-35 mph
    • 5-10 mph
    Show answer

    Correct answer: 10-15 mph

    The manual says to slow down to 10-15 mph upon approaching the roundabout.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  7. What should you do about bicyclists when approaching a roundabout?

    A two-lane roundabout with two cars circulating; a bicyclist rides on the approach road just before the entry, with the blue car behind the bicyclist.
    • Pass them quickly before you reach the roundabout entry
    • Honk to warn them to stay on the sidewalk
    • Stop and wait for them to clear the roundabout
    • Watch for them and let them merge into the entry lane
    Show answer

    Correct answer: Watch for them and let them merge into the entry lane

    The manual says to watch for bicyclists and allow them to merge into the entry lane.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  8. What should you do about pedestrians when entering a roundabout?

    A blue car on the bottom road into a roundabout, a short way before a white striped crosswalk with yellow corner pads, while a white car and a green car circle the island.
    • Watch for and yield to pedestrians in the crosswalk
    • Sound your horn so pedestrians clear the crosswalk
    • Pass pedestrians quickly before the crosswalk
    • Expect pedestrians to wait until you have passed
    Show answer

    Correct answer: Watch for and yield to pedestrians in the crosswalk

    The manual says to watch for and yield to pedestrians in the crosswalk.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  9. Which vehicles must you yield to when entering a roundabout?

    Overhead view of a roundabout with a planted central island, four roads joining it, a raised island in the middle of each road, and a double yellow line on the left and right roads.
    • Traffic waiting behind you to enter
    • Traffic stopped at the next entry
    • Traffic already in the roundabout
    • No one, since entering traffic has the right-of-way
    Show answer

    Correct answer: Traffic already in the roundabout

    The manual says to yield to traffic already in the roundabout.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  10. Once you are in a roundabout, when should you stop?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • At every exit to check for pedestrians
    • Only to avoid a collision
    • Whenever entering traffic is waiting
    • Before passing each crosswalk
    Show answer

    Correct answer: Only to avoid a collision

    The manual says that once in the roundabout you do not stop except to avoid a collision, and you have the right-of-way over entering traffic.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  11. In a roundabout, who has the right-of-way, a vehicle already in the roundabout or a vehicle entering it?

    Overhead view of a roundabout with a planted central island, four roads joining it, a raised island in the middle of each road, and a double yellow line on the left and right roads.
    • The vehicle entering the roundabout
    • Whichever vehicle is traveling faster
    • The vehicle that arrived at its entry first
    • The vehicle already in the roundabout
    Show answer

    Correct answer: The vehicle already in the roundabout

    The manual says that once you are in the roundabout you have the right-of-way over entering traffic.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  12. What does the manual say about passing other vehicles inside a roundabout?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • Do not pass other vehicles
    • Pass only on the left side
    • Pass only slow bicyclists
    • Pass only after sounding the horn
    Show answer

    Correct answer: Do not pass other vehicles

    The manual says to maintain a slow speed and not pass other vehicles in the roundabout.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  13. As you exit a roundabout, what should you watch for and yield to?

    An overhead view of a circular intersection where cars travel around a raised planted island in the middle.
    • Vehicles entering at the next entry
    • Vehicles stopped on the central island
    • Pedestrians and bicyclists
    • Trucks backing out of the exit lane
    Show answer

    Correct answer: Pedestrians and bicyclists

    The manual says to watch for and yield to pedestrians and bicyclists as you exit.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  14. What is a Diverging Diamond Intersection (DDI) based on?

    • A traditional traffic circle with a central island
    • A standard diamond interchange with a shift in traffic
    • A cloverleaf interchange with four loop ramps
    • A four-way stop intersection with an added center lane
    Show answer

    Correct answer: A standard diamond interchange with a shift in traffic

    The manual says a DDI is based on a standard diamond interchange with a shift in traffic within the interchange.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  15. What is the Diverging Diamond Intersection (DDI) designed to accommodate safely and efficiently?

    Top view of an interchange where a cross road passes over a freeway on a bridge and its two directions of traffic cross to opposite sides at signal-controlled points at each end of the bridge, with ramps to the freeway and several cars.
    • High volume right turn movements
    • Slow-moving farm vehicles
    • Large numbers of pedestrians crossing at once
    • High volume left turn movements
    Show answer

    Correct answer: High volume left turn movements

    The manual says the DDI shifts traffic to safely and efficiently accommodate high volume left turn movements.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  16. What happens within a Diverging Diamond Intersection (DDI) interchange that allows left turns without crossing oncoming traffic or stopping?

    • Traffic briefly drives on the left side of the road
    • Traffic is stopped by a stop sign at every ramp
    • Left turns are made from the right-hand lane
    • Traffic drives in a circle around a central island
    Show answer

    Correct answer: Traffic briefly drives on the left side of the road

    The manual says traffic briefly drives on the left side of the road within the interchange so left turns occur without crossing oncoming traffic.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  17. What are the advantages of a Diverging Diamond Intersection (DDI)?

    Top view of an interchange where a cross road passes over a freeway on a bridge and its two directions of traffic cross to opposite sides at signal-controlled points at each end of the bridge, with ramps to the freeway and several cars.
    • Fewer exits, reducing speeds, and lower noise from traffic
    • More traffic signals, reducing delays, and smaller crossing distances
    • Fewer conflict points and greater capacity for vehicles
    • Wider lanes, reducing lane changes, and shorter ramps
    Show answer

    Correct answer: Fewer conflict points and greater capacity for vehicles

    The manual says a DDI has fewer conflict points and greater capacity for vehicles at the interchange.

    Source: Delaware Driver Manual (July 2026), page 86 · Open this page in the manual

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  18. For what are shared center lanes reserved?

    A two-way road seen from above: a blue car in the right lane, a white car in the left lane, an empty middle lane between double yellow lines, and a driveway on the left.
    • Left turns, used by vehicles in both directions
    • Passing slower vehicles in both directions
    • Emergency vehicles traveling in either direction
    • Left turns for one direction of traffic only
    Show answer

    Correct answer: Left turns, used by vehicles in both directions

    The manual says shared center lanes are reserved for left turns (or permitted U-turns) and can be used by vehicles traveling in both directions.

    Source: Delaware Driver Manual (July 2026), page 87 · Open this page in the manual

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  19. What can happen to a shared center lane in some areas during rush hours?

    • It is closed to all traffic
    • It becomes a reversible lane
    • It becomes a passing lane
    • It is reserved for buses only
    Show answer

    Correct answer: It becomes a reversible lane

    The manual states that in some areas the shared center lane becomes a reversible lane during rush hours.

    Source: Delaware Driver Manual (July 2026), page 87 · Open this page in the manual

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