All 43 Idaho Permit Test Questions
Every question in our Idaho bank, with the correct answer and an explanation. Free to read, no signup.
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Get Smart Review & Mock Exams Licensing & Permits The Idaho knowledge test has how many questions, and how many can you miss?
Answer: 40 questions, miss up to 6
The knowledge test is 40 questions; you can miss up to 6 (need 34 correct).
Under Idaho's GDL, 'daylight' driving hours are defined as:
Answer: 5:00 a.m. to 10:00 p.m. local time
Daylight is 5:00 a.m.–10:00 p.m.; outside those hours a licensed 21+ driver must be in the front seat.
Outside daylight hours, an Idaho GDL driver may drive only if:
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.
During the first 6 months (driver under 17), the number of passengers under 17 is limited to:
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.
An Idaho license for someone under 21 will show:
Answer: 'Under 21 until' a date
Under-21 licenses show 'Under 21 until month/day/year.'
To be licensed in Idaho you must pass a:
Answer: Vision test
A vision test is required.
An Idaho motorcycle instruction permit requires you to first have:
Answer: An Idaho Class D license
A motorcycle instruction permit requires an Idaho Class D license.
Idaho's GDL requires new teen drivers to complete:
Answer: Driver training/education and supervised driving
Teen drivers must complete driver training and supervised driving under the GDL.
While driving you must:
Answer: Carry your license and show it on request
Carry and present your license when asked.
Idaho participates in the Driver License Compact, meaning:
Answer: Out-of-state violations can affect your Idaho record
Under the Driver License Compact, out-of-state convictions can affect your Idaho driving record.
Alcohol, Drugs & the Law .02 under 21 .08 adult
In Idaho, an adult (21+) is DUI at a BAC of:
Answer: 0.08
Adults are DUI at 0.08.
.02 under 21 .08 adult
A driver under 21 in Idaho is DUI at a BAC of:
Answer: 0.02
Under-21 drivers are DUI at 0.02.
A commercial driver in Idaho is DUI at a BAC of:
Answer: 0.04
Commercial drivers are DUI at 0.04.
Idaho's 'excessive DUI' applies at a BAC of:
Answer: 0.20 or higher
Excessive DUI applies at 0.20 BAC or higher, with harsher penalties.
An Idaho DUI arrest can bring an Administrative License Suspension for:
Answer: Failing or refusing the test
Failing or refusing the chemical test brings an administrative suspension.
The only thing that lowers your BAC is:
Answer: Time
Only time removes alcohol from your body.
The safest choice if you'll be drinking is to:
Answer: Use a designated driver or ride
Plan a sober ride — never drive impaired.
Speed Limits & Speed Management Idaho's 'basic rule' law requires you to drive at a speed that is:
Answer: 'Reasonable and prudent' for conditions at all times
Idaho's basic rule: drive at a speed that is reasonable and prudent for conditions.
Under the basic rule, you must consider:
Answer: Traffic, road surface (ice/snow/rain), pedestrians, and bicyclists
Consider traffic, road surface, weather, pedestrians, and cyclists — slow below the limit when needed.
Some rural Idaho interstates have posted speed limits as high as:
Answer: 80 MPH
Idaho posts speeds up to 80 MPH on some rural interstates — obey the posted limit.
In a school zone you must:
Answer: Obey the lower posted school-zone limit
Obey the reduced school-zone limit.
20 mph 40 mph 60 mph stopping distance grows with speed
As speed rises, stopping distance:
Answer: Increases sharply
Higher speed greatly increases stopping distance.
On snow or ice in Idaho, the safe speed is:
Answer: Slower than the posted limit
Reduce speed below the limit on snow and ice — the basic rule requires it.
Sharing the Road For a stopped emergency vehicle with flashing lights, Idaho requires you to:
Answer: Move over a lane if safe, or slow down
Move over a lane if safe, or slow down, for stopped emergency vehicles.
When an emergency vehicle approaches with lights and siren, you should:
Answer: Pull to the right and stop until it passes
Pull right and stop until it passes.
When a school bus stops with red lights flashing on an undivided road, traffic:
Answer: In both directions must stop
Both directions stop for a stopped school bus on an undivided road.
On rural Idaho roads, watch especially for:
Answer: Deer, elk, and other wildlife (especially dawn/dusk)
Watch for deer, elk, and wildlife on rural roads, especially at dawn and dusk.
Give a motorcycle:
Answer: A full lane
Motorcycles are entitled to a full lane.
When passing a bicyclist, you should:
Answer: Give room and pass only when safe
Give bicyclists room and pass only when safe.
Signaling & Communication You should signal before turning for at least:
Answer: 100 feet
Signal at least 100 feet before turning.
Use headlights:
Answer: At night and when visibility is reduced
Use headlights at night and in low-visibility conditions.
A left arm extended straight out means:
Answer: Left turn
Arm straight out = left turn.
Vehicle Equipment In Idaho winter conditions, you may need:
Answer: Adequate tread, snow tires, or chains
Winter conditions may require adequate tread, snow tires, or chains.
Idaho law requires:
Answer: Occupants to wear seat belts
Buckle up — Idaho's seat-belt law is enforced.
If your turn signals fail, you should:
Answer: Use hand signals until repaired
Use hand signals if your signals fail.
Replace tires when the tread is:
Answer: Worn too low to grip the road
Worn tread loses traction — replace low tires.
Points & Penalties 12 30-day susp. 18 3-month susp. 24 1-year susp. points → suspension length
Idaho uses a Suspension & Point Violation System; too many points can lead to:
Answer: License suspension
Accumulating too many points can suspend your license.
Violations under an Idaho GDL can bring:
Answer: GDL penalties/extended restrictions
GDL violations carry their own penalties and can extend restrictions.
If you are involved in a crash, you must:
Answer: Stop and give information
Stop and exchange information at any crash.
Safe Driving
Texting/hand-held phone use while driving in Idaho is:
Answer: Illegal and dangerous
Distracted/hand-held phone use while driving is illegal and dangerous.
If you become drowsy while driving, you should:
Answer: Pull over safely and rest
Only rest cures drowsiness — pull over.
On steep Idaho mountain grades, you should:
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.
Keeping a safe following distance helps you:
Answer: React to sudden stops without a crash
Space ahead gives you time to react and avoid rear-ending others.