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Am I Ready for the Idaho Permit Test?
12-question diagnostic · 4 easy, 4 medium, 4 hard · Updated July 12, 2026
Twelve questions, deliberately mixed: four easy, four medium, four of the hardest in our verified Idaho bank. The real test needs 85% — but a diagnostic this short needs a margin, so read your result like this: 12+ of 12, you're ready to book; 10–11, you're close — drill the 25 hardest first; below that, work the full test ladder before test day.
Answer each question to see the explanation. Your score is tallied against the real passing bar at the end.
1. After drinking alcohol, what is the only thing that will sober you up?
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Correct answer: Time
Once alcohol is in your bloodstream, neither coffee, aspirin, deep breathing, a slap in the face, exercise, nor eating will sober you up. Only time will return you to normal.
2. What does an Idaho Class D driver’s license allow you to operate?
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Correct answer: Non-commercial motor vehicles
A Class D license is Idaho’s non-commercial driver’s license — it lets you operate ordinary passenger vehicles. Operating a large commercial vehicle requires a Class A, B, or C commercial driver’s license (CDL).
3. When you park on a public road, how close to the curb or edge of the roadway must you be?
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Correct answer: Within 18 inches
When parking on a public road, park parallel to and within 18 inches of the curb or edge of the roadway, facing the same direction as traffic on your side of the road.
4. Does Idaho require an annual vehicle safety inspection?
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Correct answer: No, but an officer may cite you if your vehicle is unsafe or lacks proper equipment
Idaho does not require an annual safety inspection. However, you may not drive a vehicle that is mechanically unsafe, and if an officer finds your vehicle unsafe or lacking proper equipment, they may cite you.
5. How far ahead should a good driver keep an eye on what is happening?
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Correct answer: About 10 to 15 seconds ahead
Good drivers keep an eye on what is happening about 10 to 15 seconds ahead — about a block in city driving. This helps you avoid last-minute lane changes, turns, and stops.
6. In Idaho, when a bicyclist reaches a stop sign they:
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Correct answer: Do not need to come to a complete stop, but must yield to vehicles already at the intersection
In Idaho, bicyclists do not need to come to a complete stop at stop signs. They must, however, yield the right-of-way to vehicles already in or at the intersection, then proceed with caution.
7. Which license would you need to drive a vehicle with a gross weight rating of 26,001 pounds or more?
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Correct answer: A Class A, B, or C commercial driver’s license (CDL)
Class A, B, and C licenses are Commercial Driver’s Licenses. A commercial vehicle, for licensing purposes, has a manufactured gross vehicle weight rating of 26,001 pounds or more, is placarded for hazardous materials, or is designed to carry 16 or more passengers including the driver.
8. What is the minimum tire tread depth required in Idaho?
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Correct answer: At least 2/32 of an inch
Each tire should have at least 2/32 of an inch or more of tread. Worn tires reduce traction, especially on wet or icy roads.
9. The foot brake must be able to stop a vehicle traveling 20 mph on dry pavement within:
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Correct answer: 25 feet
Foot brakes must stop a vehicle traveling 20 mph on dry pavement within 25 feet. The emergency or parking brake must stop it within 55 feet and hold it stationary on a hill.
10. You reach an uncontrolled three-way “T” intersection and must turn right or left. What must you do?
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Correct answer: Stop and yield to drivers approaching from the other two directions
At an uncontrolled three-way “T” intersection where you must turn right or left, you must stop and yield to any drivers approaching from the other two directions.
11. After you spot a potential hazard on the road, the safest thing to predict is:
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Correct answer: The worst — for example, that a child on the corner may run in front of you
After spotting a potential hazard, predict what will happen — it is safest to predict the worst. If you see children playing on a corner, prepare for one to run in front of you.
12. You are parking facing uphill on a road with no curb. You should turn your front wheels:
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Correct answer: Sharply toward the edge of the road
When facing uphill where there is no curb, turn the wheels sharply toward the edge of the road, so that if the car rolls it moves off the road rather than into traffic.
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