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://cheat-sheets.dmv-written-test.com/en/iowa/car.
Number of Tests
Number of Question
Passing Score
17. 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.
18. When making a turn, you must ____ your speed.
Explanation
When turning, you should reduce to a speed that allows you to maintain control of your vehicle, stay in your lane, and react to unexpected situations.
19. This road sign means:
Explanation
Regulatory signs display laws that drivers must always obey. Right turns are not permitted where this sign is present.
20. 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.
21. If a tire suddenly blows out while you are driving, you should:
Explanation
If you experience a sudden tire blowout, do not panic. Grasp the steering wheel firmly and take your foot off the accelerator to allow the vehicle to roll to a stop. Lightly apply the breaks when it is safe to do so. Do not move to the shoulder of the road until the car has slowed considerably.
22. When driving near heavy trucks, other drivers and highway users must make allowances for:
Explanation
When driving near heavy trucks, other drivers and highway users must make allowances for the increased stopping distance required by the large vehicles. Drivers of smaller vehicles should remain in locations where they can be seen by the driver of the large vehicle and where their view of traffic is not blocked by the vehicle.
23. Allow extra space in front of your vehicle when following a:
Explanation
Allow for extra space when driving behind a motorcycle. Motorcycles can stop more quickly than other vehicles can and you must have adequate room to stop if the motorcyclist brakes or falls off. Also, remember that motorcycles are difficult to see at night because they only have one tail light.
24. On long trips, you can prevent drowsiness by:
Explanation
