Real questions from the official Idaho driver handbook, each with a plain-English explanation. Free, unlimited retakes, no signup.

Smart Review drills only the questions you get wrong. Full-length mock exams in the real format. Progress saved on every device — and the same account unlocks the mobile app.
Get Smart Review & Mock ExamsThis draw of 20 questions breaks down like this:
Heaviest on Licensing & Permits (5 of 20) — that is the section to revise first if you miss several here.
20 are Idaho-specific questions, drawn from the state handbook rather than general road rules.
Each test on this site draws a different set, so Test 1, 2 and 3 never repeat a question.
Answer: 0.08
Adults are DUI at 0.08.
Answer: Slower than the posted limit
Reduce speed below the limit on snow and ice — the basic rule requires it.
Answer: Shift to a lower gear so the engine helps slow you
Use a lower gear on long downgrades so engine braking helps avoid brake fade.
Answer: Obey the lower posted school-zone limit
Obey the reduced school-zone limit.
Answer: Give room and pass only when safe
Give bicyclists room and pass only when safe.
Answer: An Idaho Class D license
A motorcycle instruction permit requires an Idaho Class D license.
Answer: Not more than one, unless related by blood/adoption/marriage
First 6 months: no more than one passenger under 17 unless related by blood, adoption, or marriage.
Answer: Pull over safely and rest
Only rest cures drowsiness — pull over.
Answer: 0.02
Under-21 drivers are DUI at 0.02.
Answer: 100 feet
Signal at least 100 feet before turning.
Answer: In both directions must stop
Both directions stop for a stopped school bus on an undivided road.
Answer: Traffic, road surface (ice/snow/rain), pedestrians, and bicyclists
Consider traffic, road surface, weather, pedestrians, and cyclists — slow below the limit when needed.
Answer: Time
Only time removes alcohol from your body.
Answer: Move over a lane if safe, or slow down
Move over a lane if safe, or slow down, for stopped emergency vehicles.
Answer: 40 questions, miss up to 6
The knowledge test is 40 questions; you can miss up to 6 (need 34 correct).
Answer: Stop and give information
Stop and exchange information at any crash.
Answer: A licensed driver at least 21 is in the front seat beside them
Outside 5 a.m.–10 p.m., a licensed driver 21+ must sit in the front passenger seat.
Answer: Deer, elk, and other wildlife (especially dawn/dusk)
Watch for deer, elk, and wildlife on rural roads, especially at dawn and dusk.
Answer: Failing or refusing the test
Failing or refusing the chemical test brings an administrative suspension.
Answer: Carry your license and show it on request
Carry and present your license when asked.
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