Iowa Driver's License Practice Test 2026
Iowa Knowledge Test — 35 questions, 28 (80%) to pass Practice every question free, then sit a 35-question mock scored to the real 80% pass line.
Can you take the official knowledge test in your language?
📅 Test in a week? Follow the 7-day study plan
Signs first, the real topics day by day, a full mock on day 6 and mistake review on day 7 →
🎯 Practice by Topic
Your Driver's License
Your Iowa driver's license: who needs one, residency, what to carry, required health screenings, and license basics.
Traffic Signs & Rules of the Road
Traffic signs and rules of the road: sign shapes and colors, signals, railroad crossings, work zones, pavement markings, lane use, intersections, emergency vehicles, school buses, parking, and Iowa's Move Over law.
Preparing to Drive
Preparing to drive: vehicle maintenance, seats and mirrors, advanced driver-assistance systems, blind spots, seat belts and child restraints, securing loads, eliminating distractions, alcohol and drugs, and drowsy driving.
Basic Driving Skills
Basic driving skills: starting, shifting, accelerating, braking and stopping, appropriate speed, steering, backing, turning, lane changes, passing, defensive driving, and communicating with lights and horn.
Applying Your Driving Skills
Applying your driving skills: intersections, interstate and highway driving, roundabouts, rural/gravel roads, night driving, deer and animals, sharing the road with trucks/motorcycles/bicyclists/pedestrians, inclement weather, equipment failure, crashes, and law-enforcement stops.
📚 Study guides for this exam
🧰 Jobs this credential opens
See jobs →🧭 Where this leads — the new immigrant career path
See how this exam fits a step-by-step ladder of U.S. licenses and certs — with median pay and the languages each real exam is offered in →
📋 What to Bring
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Proof of identity & residency
Documents accepted by the Iowa DOT (e.g. passport or birth certificate, Social Security number, two proofs of Iowa residency); REAL ID needs specific documents
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Application & fee
Complete the application and pay the fee at a DOT Service Center or County Treasurer's Office
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Parent/guardian (if under 18)
Applicants under 18 need parent/guardian consent and must complete Iowa's Graduated Driver License steps (instruction permit at 14, intermediate at 16)
📅 How to Schedule
- 1
Study the manual and practice
Read the Iowa Driver's Manual and take practice tests covering signs, rules of the road, and safe driving.
- 2
Visit a DOT Service Center
You can take the knowledge test for an instruction permit from age 14. Bring your documents and fee; the test is offered in English and Spanish.
- 3
Pass the vision and knowledge tests
Pass a vision screening, then the 35-question knowledge test (28 to pass). When you pass, you receive your instruction permit and enter Iowa's graduated licensing.
💡 Test Day Tips
- •The Iowa knowledge test has 35 questions; you must answer 28 correctly (80%) to pass.
- •The legal BAC limit is 0.08 (0.04 for commercial drivers); drivers under 21 have a 0.02 zero-tolerance limit.
- •Iowa's Move Over / Slow Down law: move over a lane or slow down for stopped emergency, maintenance, tow, and other vehicles with flashing lights.
- •On gravel/rural roads — common in Iowa — reduce speed, watch for loose surfaces and limited sight distance at uncontrolled intersections.
- •You must stop for a stopped school bus with flashing red lights; on an undivided road, traffic in BOTH directions must stop.
📚 Driver Handbook
All practice questions are based on the chapters below. Click any chapter to read it on the official DMV website.
🔗 Official Resources
❓ Frequently asked questions
How many questions are on the Iowa Driver's License test, and how many do I need to pass?
The Iowa Driver's License knowledge test has 35 questions. You must answer 28 correctly (80%) to pass.
How many questions can you miss on the Iowa Driver's License test?
You can miss up to 7 of the 35 questions and still pass.
Can you take the Iowa Driver's License test in your language?
The Iowa Driver's License knowledge test is offered in: English · 中文 · Español · Tiếng Việt · 한국어. See test languages by state →
What is the minimum age to take the Iowa Driver's License test?
Minimum age: 14 (instruction permit).
What should I bring to the Iowa Driver's License test?
Proof of identity & residency — Documents accepted by the Iowa DOT (e.g. passport or birth certificate, Social Security number, two proofs of Iowa residency); REAL ID needs specific documents Application & fee — Complete the application and pay the fee at a DOT Service Center or County Treasurer's Office Parent/guardian (if under 18) — Applicants under 18 need parent/guardian consent and must complete Iowa's Graduated Driver License steps (instruction permit at 14, intermediate at 16)
How do I schedule and take the Iowa Driver's License test?
1. Study the manual and practice: Read the Iowa Driver's Manual and take practice tests covering signs, rules of the road, and safe driving. 2. Visit a DOT Service Center: You can take the knowledge test for an instruction permit from age 14. Bring your documents and fee; the test is offered in English and Spanish. 3. Pass the vision and knowledge tests: Pass a vision screening, then the 35-question knowledge test (28 to pass). When you pass, you receive your instruction permit and enter Iowa's graduated licensing.