2026 Iowa Permit Test 15
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in Iowa. Each permit practice test question has three answer choices. Select one answer for each question and select "grade this section." You can find this button at the bottom of the drivers license quiz. For a complete list of questions and answers for Iowa please visit https://staging.dmvwrittentest.cheat-sheets.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
17. When approaching an intersection controlled by a flashing yellow light, you must:
Explanation
A traffic signal displaying a flashing yellow light indicates that you should be alert and proceed with caution. Slow down when approaching a flashing yellow traffic signal.
18. You should not use your horn:
Explanation
When driving near a blind pedestrian, using your horn may be dangerous. Yield to the pedestrian and proceed when it is safe to do so.
19. While driving at night, you may use your parking lights instead of headlights.
Explanation
It is unlawful to drive at night using only your parking lights. You must use your headlights when driving in lowered visibility.
20. When turning left, drivers must yield the right-of-way to:
Explanation
When turning left, drivers must yield the right-of-way to oncoming traffic. Drivers must also always yield the right-of-way to pedestrians, bicyclists, and other drivers who are already in the intersection.
21. What do speed limit signs indicate?
Explanation
Speed limit signs indicate the maximum or minimum safe speed that is allowed to be driven on a roadway. The maximum limits are for ideal conditions and you must reduce your speed when conditions require it.
22. When entering traffic after being parked at a curb, you:
Explanation
Any time that you merge into city or highway traffic, you should wait for a gap in traffic large enough for your vehicle to get up to the speed of other traffic.
24. A driver approaching a flashing red traffic signal must:
Explanation
A flashing red light means that you must stop, yield to traffic and pedestrians, and go only when it is safe. At a railroad crossing, a flashing red light indicates that a train is approaching. Yield to the train, and go only when the lights have stopped flashing and all other active warning devices deactivate.
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