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://cheat-sheets.dmv-written-test.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
17. 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.
18. You are entering a crowded freeway. What should you do to merge into traffic?
Explanation
Use the entrance ramp to accelerate to the speed of freeway traffic and yield to traffic already using the freeway. Before entering traffic, use your mirrors and check your blind spots to verify that you have room to safely merge.
19. When driving in traffic, it is safest to:
Explanation
Crashes often happen when some drivers go faster or slower than other vehicles on the road. Always try to drive with the flow of traffic, within the posted speed limit.
20. On a green arrow, you must:
Explanation
A green arrow means "go." You must turn in the direction the arrow is pointing after you yield to any vehicles, bicycles, or pedestrians who are still in the intersection.
21. This road sign means:
Explanation
This sign indicates a merge ahead. It warns that two lanes of traffic moving in the same direction are about to become one.
22. This sign means:
Explanation
Warning signs are usually diamond-shaped with black markings on a yellow background. They alert drivers to upcoming hazards. This sign indicates that the divided highway is about to end.
23. This sign means:
Explanation
This sign warns that two lanes of traffic going the same direction will soon merge into one lane.
24. When you drive through a construction zone, you should:
Explanation
