Iowa: Exam Simulator
40 random questions from every topic, like a mini exam.
Independent educational site · not affiliated with any government agency or DMV
Ready? Test yourself
40 questions; pass mark 80% (the state does not publish its test format).
- Instant feedback with an explanation
- Every answer cites its source in the manual
- Your best score is saved on this device
Questions are original and based on the official manual "Iowa Driver’s License Manual" (July 2026), Iowa Department of Transportation.
Sample questions
The exam simulator picks 40 random questions from every topic each time you start. Here are a few examples.
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Who is required to have a permit or license in Iowa?
- Anyone operating a motor vehicle, motorcycle, or moped on public roads
- Only people who drive a car or truck for pay, not motorcycle or moped riders
- Only drivers who are 18 or older and who drive on interstate highways
- Only drivers who travel from Iowa into another state
Show answer
Correct answer: Anyone operating a motor vehicle, motorcycle, or moped on public roads
Iowa requires a permit or license for anyone operating a motor vehicle, motorcycle, or moped on public roads.
Source: Iowa Driver’s License Manual (July 2026), page 4
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Which two separate braking systems do cars, trucks, and ATVs/UTVs need?
- A foot brake and an engine brake
- An engine brake and a trailer brake
- A foot brake and a parking brake
- A parking brake and a brake warning light
Show answer
Correct answer: A foot brake and a parking brake
Cars, trucks, and ATVs/UTVs need two separate braking systems, a foot brake and a parking brake.
Source: Iowa Driver’s License Manual (July 2026), page 23
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In addition to lane control signs, what color of arrows may sometimes be painted on the road?
- Yellow
- Red
- Orange
- White
Show answer
Correct answer: White
Sometimes white arrows may also be painted on the road.
Source: Iowa Driver’s License Manual (July 2026), page 8
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How many segments does an interstate or highway on-ramp contain?
- Two
- Four
- Five
- Three
Show answer
Correct answer: Three
The manual says on-ramps are used to enter an interstate or highway and contain three segments.
Source: Iowa Driver’s License Manual (July 2026), page 51
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If you must park on a roadway, how should you park your vehicle?
- As far away from traffic as possible
- Partly in the lane so other drivers can see it
- Directly beside the nearest travel lane
- Wherever it is closest to your destination
Show answer
Correct answer: As far away from traffic as possible
The manual says that if you must park on a roadway you should park as far away from traffic as possible.
Source: Iowa Driver’s License Manual (July 2026), page 21
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What do the shape and color of a traffic sign give you?
- The exact distance to the next town
- The number of lanes on the road ahead
- Clues to the type of information it provides
- The age of the sign
Show answer
Correct answer: Clues to the type of information it provides
The shape and color of traffic signs give clues to the type of information they provide.
Source: Iowa Driver’s License Manual (July 2026), page 6
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Which of these do traffic signs advise drivers of?
- The current weather forecast
- Which vehicles have been recently registered
- Where services are located
- The age of the roadway surface
Show answer
Correct answer: Where services are located
Traffic signs advise of traffic laws, hazards, location, directions, and where services are located.
Source: Iowa Driver’s License Manual (July 2026), page 6
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Which of these can provide traffic control that you must follow?
- A school crossing guard
- A pedestrian waiting at a crosswalk
- A passenger in a parked vehicle
- A bicyclist riding beside you
Show answer
Correct answer: A school crossing guard
Traffic control can be provided by law enforcement, highway personnel, or school crossing guards, and you must follow their directions.
Source: Iowa Driver’s License Manual (July 2026), page 11
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No signs or lane markings control turning. Which lanes should you use for the turn?
- Turn from the center lane into the lane that is farthest from the one you came from, whatever the traffic
- Turn from the lane closest to the direction you want to go, into the lane closest to the one you came from
- Turn from the lane that is farthest from the direction you want to go, into any lane that is open
- Turn from any lane you choose and then move into the left lane as soon as you finish the turn
Show answer
Correct answer: Turn from the lane closest to the direction you want to go, into the lane closest to the one you came from
Where nothing controls turning, you should turn from the lane closest to the direction you want to go, and into the lane closest to the one you came from.
Source: Iowa Driver’s License Manual (July 2026), page 16
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Where are railroad crossing (crossbuck) signs placed?
- Only at crossings that have flashing lights
- At each crossing
- Only at crossings on interstate highways
- Only at crossings with several tracks
Show answer
Correct answer: At each crossing
Railroad crossing signs are placed at each crossing.
Source: Iowa Driver’s License Manual (July 2026), page 7