Iowa DMV knowledge test

Free Iowa DMV practice test

302 original practice questions for Iowa, with an explanation for every answer. Free, no ads, no sign-up, and it works offline on your phone.

Iowa practice at a glance

Practice questions302, each with an explanation
Categories14
Mock testPractice mock test (check your DMV for the official format)
Cost to practiseFree, no ads, no sign-up

Test formats change. Check the official Iowa source before your test.

What you will practise

Questions are grouped into categories, so you can see which ones need work.

Traffic Signs & Signals64 questions
Turning, Lane Changes & Passing26 questions
Right-of-Way & Intersections23 questions
Vehicle Safety & Equipment21 questions
Licensing, Insurance & Documents21 questions
Alcohol & Drugs19 questions
Emergency & Special Situations19 questions
Weather & Hazardous Conditions18 questions
Sharing the Road17 questions
Speed Limits & Following Distance15 questions
Highway & Freeway Driving15 questions
Distracted Driving & Phone Use15 questions
Parking & Stopping15 questions
General Rules of the Road14 questions

Iowa test questions

Is this the official Iowa DMV test?

No. TwinMiles is independent and not affiliated with the Iowa DMV. Our questions are original, written from the public state driver handbook, so you learn the same rules. Always confirm the details with the official handbook.

How many Iowa practice questions are there?

There are 302 original Iowa questions across 14 categories, each with a plain-English explanation. A fresh random session every time keeps you from just memorising the order.

Do I need an account or to pay?

No. Practising is free with no ads and no sign-up. Premium is optional and adds unlimited mock tests and a pass plan.

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