2024 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://cheat-sheets.dmv-written-test.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
17. When approaching a police car, tow truck, or utility vehicle that is parked along the road while displaying its flashing lights, what should you do?
Explanation
When approaching a stationary police car, tow truck, maintenance vehicle, or any other vehicle that is parked along the road and is displaying flashing lights, you are required to change lanes to give the stopped vehicle space, if possible. If you are unable to change lanes, slow to a safe speed as you pass.
18. This sign indicates:
Explanation
This is a low clearance warning sign. It indicates the distance from the road surface to the bottom of a bridge or overpass (in this case, 12 feet, 6 inches).
19. When preparing to make a left turn from a two-way street, you should drive:
Explanation
When you are turning left from a two-way street, begin in the lane closest to the centerline and start your turn just before the front of your car reaches the center of the intersection. Do not cut the corner. Steering hand-over-hand, turn into the first available legal lane.
20. If the roadway is wet or icy, you should:
Explanation
Because your tires will not grip the road under wet, snowy, or icy conditions as well as they will under dry conditions, you should slow down if the roadway is wet or icy.
21. If a vehicle starts to skid on water, the driver should quickly apply the brakes.
Explanation
If a vehicle skids while hydroplaning, the driver should try to regain control of the vehicle. If that is not possible, the driver should release the accelerator and ride out the skid. The driver should not immediately apply the brakes.
22. The best way to avoid loss of control under wet conditions is to increase your vehicle's speed.
Explanation
As you drive on a wet road, your tires may start to ride up on the surface of water, causing you to lose control of your vehicle. This is called hydroplaning. The best way to avoid hydroplaning is to lower your speed when driving under wet conditions.
23. This road sign means:
Explanation
The stop sign is the only eight-sided sign you will see on any roadway. When you encounter a stop sign, you must come to a complete stop. You may not proceed until the way is clear for you to completely and safely pass through the intersection.
24. A good defensive driver:
Explanation
