Iowa DOT Practice Test 2026 · Free
Practice with real knowledge test questions and pass on your first try.
Choose your language and start:
No signup required · 20 free questions per test
What to expect on the knowledge test
- Questions: 35 multiple-choice questions
- Passing score: 28 correct (80%)
- Administered by: Iowa Department of Transportation
- Languages: English, Spanish, Russian, Chinese, Ukrainian
- Retakes: Allowed after a waiting period if you fail
Available practice test types
Iowa · Frequently Asked Questions
How many questions are on the Iowa DOT knowledge test?
The Iowa DOT written test has 35 questions. You need 28 correct answers (80%) to pass.
What is the passing score for the IA DOT test?
You must score 80% or higher · that means getting 28 out of 35 questions right.
Can I take the Iowa DOT practice test in Spanish?
Yes. DMVSOS offers free Iowa DOT practice tests in English, Spanish, Russian, Chinese (Mandarin), and Ukrainian. Just choose your language when you start.
Is this Iowa DOT practice test free?
Yes · 20 questions per test are completely free with no signup required. One-time passes from $19.99 unlock 40-question full tests and detailed explanations · 30 days, no subscription.
What topics does the Iowa DOT test cover?
The IA DOT written test covers traffic laws, road signs, right-of-way rules, speed limits, DUI/DWI penalties, safe driving practices, and road markings. DMVSOS questions are aligned with the official Iowa driver handbook.
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