2025 Iowa Permit Test 18
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. Alcohol is the single greatest common factor in fatal motor vehicle crashes.
Explanation
Alcohol is the number one killer on American roadways. Alcohol affects a person’s vision and slows their reaction time, so it takes longer to act in an emergency. Alcohol affects a person’s driving even if they are below the level of illegal intoxication.
19. You are coming to an intersection with a flashing red light. You should:
Explanation
A flashing red traffic light means the same thing as a stop sign. You must come to a complete stop, yield to other traffic and pedestrians, and then proceed when it safe to do so.
20. It is very foggy. You should slow down and:
Explanation
Use your low beams when driving in fog, snow, rain, or mist. Light from high beams will reflect off of precipitation, causing a glare and making it even more difficult to see. Some vehicles are equipped with fog lights that should be used in addition to low beam headlights.
21. When passing another vehicle, it is safe to return to your lane if you:
Explanation
Before returning to your original lane after passing, you must make sure you are not dangerously close to the vehicle you have just passed. When you can see both of the vehicle's headlights in your rearview mirror, you may have enough room to return to the lane.
22. This sign means:
Explanation
Traffic signs with three sides of equal length warn drivers to slow down when approaching an intersection and to be prepared to come to a complete stop to yield to other drivers or pedestrians. Drivers may proceed when it is safe to do so.
23. When passing another vehicle:
Explanation
When passing another vehicle that is traveling in the same direction as you, pass quickly to resume visibility. Return to your previous lane only when you can see both of the vehicle's headlights in your rearview mirror.
24. Which of the following statements is correct?
Explanation
Use your right foot for both braking and accelerating. You should apply the brakes gently with increasing pressure so that your vehicle stops gradually and smoothly.
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