Iowa DMV permit test practice

Practice in the real Iowa test format, learn the rules Iowa tests, and know when you're ready to book.

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The Iowa knowledge test at a glance

Questions: 25
To pass: 20
You can miss: 5
Answer choices: 4

Sign section: No separate section
Format source: Partly published by the state

Your Iowa study kit

744: practice questions for Iowa
184: written only for Iowa's own rules
65: lessons with Iowa's numbers filled in
20: rules where Iowa differs from most states

Where Iowa is different

Most handbooks look alike. These are the rules where Iowa does its own thing, and they show up on the test.

Rule	Iowa	Most states
Minimum learner's-permit holding period	12 months	6 months (35/51)
Night-driving restriction for a new intermediate licensee (first stage)	12:30 a.m. to 5 a.m.	Midnight to 5 a.m. (11/50)
Passenger limit for a new intermediate licensee (first stage)	Whatever limit the parent or guardian sets	No more than one passenger under 21 (8/51)
Minimum age for a learner's permit	14 years	15 years (26/51)
Required supervised practice hours	20 hours, including 2 at night	50 hours, including 10 at night (21/51)
Who must wear a seat belt under the adult belt law	Front-seat occupants 18 and older only	Everyone 16 and older, in every seat (12/42)
Age through which a child must ride in a booster or other child restraint (unless size limits are met)	Through age 5	Through age 7 (19/24)
Age through which a child must ride rear-facing	Until age 1	Until age 2 (26/32)

Sample Iowa questions

Three questions from the Iowa pool. Pick an answer to see the explanation.

1 / 3

Iowa's "Steer It–Clear It" law tells drivers in a minor crash to:

2 / 3

In Iowa, which drivers must stop 15 to 50 feet from railroad tracks at crossings, besides school and charter buses and hazmat vehicles?

3 / 3

In Iowa, when you meet a school bus showing flashing amber warning lights, you must:

Iowa test FAQ

How many questions are on the Iowa knowledge test?

The Iowa test has 25 questions.

How many can I get wrong on the Iowa permit test?

You need 20 correct to pass, so you can miss up to 5.

What's the best way to study for the Iowa test?

Read the Iowa Driver's Manual (2026), then practice in the real format until your readiness is above 90%. Steerivo's lessons follow the handbook's topics and fill in Iowa's numbers.

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