2025 Iowa Permit Test 23
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. This sign means:

Explanation
Orange, diamond-shaped signs are used to mark construction, maintenance, survey, and utility work areas. These signs help direct drivers and pedestrians safely through dangerous zones. Fines for traffic convictions may double in areas marked by these signs.
18. If you are being passed in a no passing zone, you should:
Explanation
Passing areas are based on how far ahead drivers can see. Allow the passing vehicle to re-enter the drive lane as easily as possible to help everyone avoid potential upcoming hazards.
19. You are approaching an intersection where a traffic signal is displaying a steady yellow light. If you have not already entered the intersection, you should:
Explanation
At an intersection controlled by a steady yellow light, you should bring your vehicle to a safe stop. If you are already within the intersection when the light changes from green to yellow, continue through the intersection at a safe speed.
20. This sign means:

Explanation
Warning signs are used to warn drivers about upcoming hazardous conditions and are usually yellow with black markings. This sign warns drivers that the road ahead curves to the right and then to the left.
21. Streets and highways are most slippery:
Explanation
Driving during the first half hour of rainfall is dangerous because roadways become extremely slippery when the water mixes with oil and other chemicals on the road surfaces that have not yet washed away. Use extra caution when driving on slippery roads.
22. As you approach the top of a hill, you should:
Explanation
You may not know what is on the other side of a hill or just around a curve, even if you have driven the road many times. If a vehicle is stalled just out of sight on the roadway, you must be able to stop. Whenever you come to a hill or curve, adjust your speed so you can stop if necessary.
23. If you can see that the roadway up ahead is covered by heavy smoke, you should:
Explanation
If you notice that the road ahead is covered by heavy smoke, reduce your speed immediately, drive as far as possible to the right, and stop off the roadway. Only then should you determine if it is safe for you to continue. Remember that certain kinds of smoke can irritate your eyes and lungs or even kill you.
24. If you are being followed too closely on a two-lane road:
Explanation