2025 Idaho Permit Test 21
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
1. When passing another vehicle on a road with two lanes traveling in opposite directions, you should:
Explanation
When passing another vehicle on a two-lane roadway, you must return to the right side of the roadway when there is enough room between you and the vehicle you have passed.
2. This road sign means:
Explanation
This sign warns that deer cross the roadway in the area. You should slow down, be alert, and be ready to stop.
3. A red flashing traffic light has the same meaning as a:
Explanation
A red flashing traffic signal has the same meaning as a stop sign. When approaching a red flashing signal, come to a complete stop and proceed when it is safe to do so. A stop sign may sometimes also be posted where this signal is located.
4. A fully loaded tractor-trailer traveling at 55 mph could take up to ____ to come to a complete stop.
Explanation
Tractor-trailers take longer distances to stop than smaller cars traveling at the same speed. A fully loaded tractor-trailer may take almost 400 feet to come to a complete stop when driving at 55 mph.
5. Your body gets rid of approximately:
Explanation
The average person’s body will process about one alcoholic drink in one hour. However, many factors play a part in determining how impaired a person will become when consuming alcohol, including the amount of alcohol consumed, how fast it is consumed, and a person’s body weight, food intake, and general health.
6. When approaching a traffic signal displaying a steady yellow arrow, drivers:
Explanation
A steady yellow arrow indicates that a red arrow is about to appear. Stop unless you are already within the intersection.
7. You are driving in the left lane and want to move into the right lane. You should:
Explanation
When changing lanes, you should check your vehicle's blind spots by looking over your shoulder in the direction that you want to move. Always check your mirrors and turn on your directional signal before beginning a lane change.
8. A leaking exhaust system can:
Explanation
The exhaust system helps remove toxic gases, reduce the noise, and cool the hot gases coming from a running engine. Fumes from a leaky exhaust system can cause death in a very short time. They can also make you drowsy while driving.
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