2025 Iowa Permit Test 20
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. Two solid yellow lines on the pavement mean:
Explanation
Yellow lines tell you that the traffic on the other side of the lines is moving in the opposite direction. You should never cross two solid yellow lines to pass from either direction.
18. The presence of double solid yellow lines means you may pass another vehicle from either direction.
Explanation
A double solid yellow line means that it is prohibited for vehicles traveling in either direction to cross the centerline to pass.
19. What is the only medically proven method of removing alcohol or other drug combinations from your system?
Explanation
Alcohol takes effect quickly and is slow to leave your system. Cold showers, black coffee, and exercise will do nothing to reduce a person's blood alcohol content (BAC). The only way to lower your BAC is to wait.
20. You do not have to stop for a school bus that is stopped with its red lights flashing if it is on a private road.
Explanation
When a school bus is stopped with its red lights flashing and stop arm out, other drivers are required to stop. This law applies to drivers traveling on both public and private roads.
21. If you are driving near a motorcycle, you must:
Explanation
A motorcycle is a full-size vehicle with the same privileges as any other vehicle on the roadway. You should allow a motorcyclist a full lane width. Although it may seem as though there is enough room in the traffic lane for a larger vehicle and a motorcycle, remember that the motorcycle needs room to maneuver safely.
22. When turning left at an intersection:
Explanation
When turning left at an intersection, yield the right-of-way to oncoming traffic and pedestrians. Once the intersection is clear and applicable signals allow, you may complete the turn.
23. Your ability to stop is affected by:
Explanation
Your ability to stop is greatly affected by the condition of the road. You need to reduce your speed when road conditions are poor in order to maintain control of your vehicle. You will be at risk if you are driving too quickly on roads that are slippery and you need to stop.
24. You are required to signal every time you pull away from a curb.
Explanation
You must use the proper turn signal any time you pull away from a curb.
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