2025 Idaho Permit Test 15
The following questions are from real DMV written tests. These are some of the actual permit questions you will face in Idaho. 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 Idaho please visit https://cheat-sheets.dmv-written-test.com/en/idaho/car.
Number of Tests
Number of Question
Passing Score
25. You are driving up a hill and are approaching a heavy truck from the rear. You should know that:
Explanation
Drivers must be aware that large vehicles often travel at a speed slower than the posted speed limit, especially when driving on an incline, and should use caution when approaching a large vehicle from the rear. When on a hill with limited visibility, it is unlawful to pass another vehicle.
26. A diamond-shaped sign:
Explanation
Diamond-shaped signs warn drivers of existing or potential driving hazards. You will usually see these signs in yellow or orange.
27. The most important thing to remember about speed management and curves is that you must:
Explanation
The most important thing to remember about driving in curves is that your vehicle’s inertia may make it difficult to turn. To maintain control, it is essential that you slow down before entering the curve.
28. Hydroplaning is usually caused by:
Explanation
Your tires become less effective at clearing water from the road as you increase your speed. If you drive too fast, they may lose their grip entirely, leaving the vehicle sliding on a film of water. This is known as "hydroplaning."
29. A driver entering interstate traffic from an entrance or acceleration ramp:
Explanation
If you are on an entrance or acceleration ramp and are entering interstate traffic, you should yield to drivers already on the interstate highway. Merge safely into traffic when you are able to do so.
30. At a four-way stop:
Explanation
At four-way stops, traffic from all four directions must stop. The first vehicle to reach the intersection should move forward first. If two vehicles reach the intersection at the same time, the driver on the left yields to the driver on the right.
31. When entering a highway from an entrance ramp, you should generally:
Explanation
Entrance ramps for highways often have acceleration lanes. When merging with traffic from an acceleration lane, you should put your signal on, look for an opening in traffic, accelerate up to the speed of traffic, and merge into an opening in traffic.
32. This road sign means:

Explanation