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Iowa Permit Test (Iowa DOT Knowledge Test)

  • 24 free practice questions, every one explained · no signup
  • Timed mock exam (24 questions, 24 minutes) — free
  • Study guide: free to read online
Practice free 24 questions · explanations · no signup

PrepPass team · Verified against Iowa Department of Transportation (Iowa DOT) · How we review

01

Test what you know · free, all of it

Four ways to practise.

The same 24 questions, dealt four ways. Pick the one that fits the time you have.

By section
Pick Rules of the Road & Right-of-Way, Alcohol, Licensing & Teen Driving Laws, Signs & Signals, Speed & Road Conditions. An explanation appears the moment you answer.
24 questionsuntimed
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02

Learn what the questions test

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24
questions, each explained — finds what you don't know yet
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5
chapters, free to read online

The five chapters, free online

every chapter free online
  1. 1Signs & Signals20% of the examRead free →
  2. 2Rules of the Road & Right-of-Way22% — the largest sectionRead free →
  3. 3Safe Driving & Sharing the Road18%Read free →
  4. 4Speed & Road Conditions20%Read free →
  5. 5Alcohol, Licensing & Teen Driving Laws20%Read free →
03

Before you sit

Know the exam you're walking into.

Free study guideEvery section, onlineTopics by weightWhat to study firstHow hard is it?Honest answer, with numbersScores & retakesWhat the board publishesOne-page cram sheetNight-before facts
04

See the questions first

Two from the bank, answered.

Real items, with the answer marked and the reason written out — the same format as all 24.

Alcohol, Licensing & Teen Driving Laws

In Iowa, the minimum age to get an instruction permit is:

  1. A15
  2. B18
  3. C14Correct
  4. D16

Why: Iowa issues an instruction permit beginning at age 14. (Iowa Driver's Manual, GDL)

Rules of the Road & Right-of-Way

At an intersection with no signs or signals where two cars arrive at about the same time, you should yield to:

  1. AThe larger vehicle
  2. BThe car that is going faster
  3. CThe vehicle on your rightCorrect
  4. DNo one; go first

Why: At an uncontrolled intersection, yield to the vehicle that reaches it first; if you arrive together, yield to the driver on your right. (Iowa Driver's Manual)

Read all 24 questions with answers →

06

The exam itself

Iowa Permit Test (Iowa DOT Knowledge Test), by the numbers.

SectionsSigns & Signals · Rules of the Road & Right-of-Way · Safe Driving & Sharing the Road · Speed & Road Conditions · Alcohol, Licensing & Teen Driving Laws
Our bank24 questions · updated August 2026Written from Iowa Department of Transportation (Iowa DOT)
LanguagesEnglish
SourceIowa Department of Transportation (Iowa DOT)

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Questions

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Practice questions are AI-assisted study material written from Iowa Department of Transportation (Iowa DOT) and reviewed by PrepPass — for practice only, not official exam questions. Bank updated August 2026. PrepPass is an independent study resource and is not affiliated with, endorsed by, or approved by Iowa Department of Transportation (Iowa DOT). Always confirm current exam details with Iowa Department of Transportation (Iowa DOT).
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