Iowa DOT Practice Test: Full Exam
Full exam simulator, free, no upgrade needed. 25 questions and 20 correct to pass, like the real Iowa written test.
Exam mode
Full practice exam
- 25questions
- 20correct to pass
- 80%needed
- No answers until you finish. Go back and change answers any time before then.
- Jump to any question, flag the ones to check again, and see your time.
- Your progress saves on this device, so you can come back later.
For learning only. Based on the official handbook, but not updated in real time: always verify with your state's current handbook and laws. No guarantees; we're not responsible for errors or test results. Spot a wrong answer? Let us know. Disclaimer
How the Iowa knowledge test works
The written knowledge test has 25 multiple-choice questions, and you need 20 right (80%) to pass. This practice exam uses the same size and pass mark.
Based on the Iowa Driver's License Manual (M1170 (07/23/2026)). Always confirm the current test with the official licensing agency.
How this practice exam works
- Questions are picked at random from the whole handbook, so every exam is different.
- Like the real test, nothing is marked until you submit.
- Jump between questions, flag the ones you're unsure of, and change any answer.
- Then review every answer with its explanation and handbook page.
Practice by topic first
- Signs, signals & railroad crossingsSign shapes and colors, lights and arrows, railroad crossings, work zones.
- Lanes, right of way & parkingMarkings, lane use, who yields, emergency vehicles, school buses, parking.
- Intersections, highways & sharingRoundabouts, gravel roads, night driving, deer, trucks, motorcycles, bikes.
- Weather, emergencies & crashesRain, fog, floods, tornadoes, ice, breakdowns, crashes and traffic stops.
- Driving skills, phones & alcoholSpeed limits, following distance, turns, passing, phones and OWI.
- Your license & your carWho needs a license, what to carry, vehicle upkeep and driver-assist tech.
- How to get your Iowa permitThe steps, documents and rules while you hold a permit.
- How to pass the Iowa permit testWhat's on the test and a study plan in five steps.
- Iowa permit test FAQPlain-English answers about the test and your permit.