All 41 Iowa Permit Test Questions
Every question in our Iowa bank, with the correct answer and an explanation. Free to read, no signup.
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Get Smart Review & Mock Exams Alcohol, Drugs & the Law In Iowa, drunk/impaired driving is officially called:
Answer: OWI (Operating While Intoxicated)
Iowa calls the offense Operating While Intoxicated (OWI).
.02 under 21 .08 adult
You commit OWI in Iowa with a BAC of ___ or higher, or with any controlled substance in your system:
Answer: .08
OWI = BAC .08+ or any amount of a controlled substance in your system.
In Iowa you can be charged with OWI for:
Answer: Alcohol OR any amount of a controlled substance
Any amount of a controlled substance can result in an OWI, in addition to alcohol.
.02 under 21 .08 adult
A driver under 21 in Iowa is subject to a BAC limit of:
Answer: .02
Under-21 drivers face a .02 limit.
A commercial driver in Iowa is OWI at a BAC of:
Answer: .04
Commercial drivers are limited to .04.
OWI BAC in Iowa is normally tested by:
Answer: Breathalyzer, urine, or blood test
BAC is tested via breathalyzer, urine, or blood.
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.
Sharing the Road In Iowa, when you MEET a school bus (from the front) with amber warning lights flashing, you must:
Answer: Slow to no more than 20 mph and be prepared to stop
Meeting a school bus with amber lights: slow to 20 mph or less and be ready to stop.
You must stop for a school bus with its stop arm extended and remain stopped until:
Answer: The stop arm is retracted and the bus moves
Remain stopped until the stop arm retracts and the bus starts moving.
Under Iowa's 'Move Over or Slow Down' Law, approaching a stopped emergency/service vehicle you must:
Answer: Move over a lane if safe, or slow down
Move over a lane if safe, or slow down, for stationary emergency/service vehicles.
Iowa's 'Steer It, Clear It' law says after a minor crash with no injuries you should:
Answer: Move vehicles out of the traffic lanes if they can be driven
If it's safe and no injuries, move drivable vehicles out of traffic lanes.
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.
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.
Licensing & Permits Iowa's instruction permit is available beginning at age:
Answer: 14
Iowa allows an instruction permit at age 14 (one of the youngest).
An Iowa intermediate license is available at age:
Answer: 16
An intermediate license is available at 16 (with restrictions).
A full (unrestricted) Iowa license is generally available at age:
Answer: 17
A full license is generally available at 17.
An Iowa intermediate license holder generally may not drive late at night unless:
Answer: Accompanied by a parent/guardian (or for work/school, per rules)
Intermediate drivers have nighttime restrictions unless accompanied by a parent/guardian (with exceptions).
With an instruction permit you must be accompanied by:
Answer: A qualified licensed driver (e.g., parent/guardian or approved adult)
A qualified licensed adult must accompany a permit holder.
To be licensed in Iowa you must pass a:
Answer: Vision test
A vision test is required.
While driving you must:
Answer: Carry your license and show it on request
Carry and present your license when asked.
To ride a motorcycle in Iowa you need:
Answer: A motorcycle endorsement
A motorcycle endorsement is required.
Speed Limits & Speed Management In Iowa you must drive at a speed that is:
Answer: Reasonable and proper for conditions
Never drive faster than is reasonable and proper for conditions.
In a school zone you must:
Answer: Obey the lower posted school-zone limit
Obey the reduced school-zone limit.
On Iowa's gravel/rural roads, you should:
Answer: Slow down — loose gravel reduces traction and visibility (dust)
Slow down on gravel; reduced traction and dust make it hazardous.
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 Iowa, the safe speed is:
Answer: Slower than the posted limit
Reduce speed below the limit on snow and ice.
Vehicle Equipment In Iowa winter conditions, you should:
Answer: Keep good tread and clear all snow/ice from windows before driving
Good tread and fully clearing snow/ice from windows are essential in Iowa winters.
Iowa law requires:
Answer: Occupants to wear seat belts
Buckle up — Iowa'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.
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.
Safe Driving
Texting while driving in Iowa is:
Answer: Illegal and dangerous
Texting 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 rural Iowa roads, watch especially at dawn/dusk for:
Answer: Deer and other wildlife
Watch for deer on rural roads, especially at dawn and dusk.
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.
Points & Penalties An Iowa driver with repeated serious violations can be declared a:
Answer: Habitual offender/violator with a long revocation
Repeated serious violations can bring a habitual-offender revocation.
If you are involved in a crash, you must:
Answer: Stop and give information
Stop and exchange information at any crash.