Iowa Driver's License Test
View instructions
Anyone who operates a motor vehicle on public streets and roads in Iowa is required to have a driver’s license or learner’s permit. Iowa requires that you pass a vision screening before you get a driver’s license or learner’s permit. The IA DMV written test covers the contents of the Iowa Driver's Manual including highway signs, road rules, and safe driving techniques. The Iowa DMV knowledge test consists of 35 questions, and you'll need at least 28 correct answers to pass (80%). Practice with this sample test to get ready for the official IA driver's license test.
Updated for 2026 DMV rules.
1.
When an arrow panel in a work zone shows a flashing arrow, you should:
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Slow down and avoid using the indicated lane.
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Be cautious because there is maintenance work on the lane indicated by the arrow.
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Merge in the direction indicated by the arrow.
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2.
When preparing to drive, you should:
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Adjust the mirrors and fasten your safety belt.
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Check the tire pressure.
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Adjust your headlights.
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3.
What is a "No Zone"?
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Blind spots around large commercial vehicles.
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A highway maintenance zone where passing is not allowed.
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An area where parking is permitted only for large vehicles.
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4.
When are you allowed to drink alcoholic beverages in a vehicle on a public highway?
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Only if you ride in the back of a pick-up truck.
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As long as you don’t drive.
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Never.
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5.
If two vehicles arrive at a four-way stop at the same time:
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The driver on the left must signal the driver on the right to go.
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Both vehicles must stop.
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The vehicle on the left must yield to the vehicle on the right.
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6.
Texting while driving a motor vehicle is:
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Illegal.
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Permitted when driving at a slow speed.
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Legal if the driver is 21 years of age or older.
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7.
Can you use high beam headlights at night?
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No, never.
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Yes, but only when there aren't other vehicles nearby.
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Yes, always.
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TEST #1
Question 3 of 36
Negotiating Intersections
3. If an intersection has crosswalk lines but no STOP line, where must you stop for a red light?
After the crosswalk.
On the crosswalk.
Before the stop line.×
Before the crosswalk.✓
Explanation
If there is no stop line at a red light, you must stop before the crosswalk — it’s always illegal to stop on it.