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Iowa DUI & Driving Laws Practice Test

Practice 25 questions on Iowa driving laws - DUI/DWI limits, distracted driving, vehicle safety requirements, and general knowledge for the Iowa DOT exam.

What this Iowa practice test covers

  • DUI/DWI blood alcohol limits and penalties in Iowa
  • Distracted driving laws covering cell phone use and texting
  • Vehicle safety inspections and equipment requirements
  • Licensing rules, point systems, and general knowledge

The actual Iowa Iowa DOT knowledge test has 35 questions, and you need at least 28 correct (80%) to pass. This practice test is based on the Iowa Driver's Manual. The test fee is $8. Tests are administered Computer-based at DOT office, at school (Skip the Trip), or at home with parental supervision. Online testing is available in Iowa.

Try sample Iowa questions

These questions come from our bank of 367+. The real Iowa written test draws from similar material in the official driver handbook.

3 free preview of 25
1

What is the fine for failing to show proof of insurance in Iowa?

2

Does Iowa require motorcycle riders to wear helmets?

3

When driving at night on a dimly lit street, you should:

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Iowa DUI & Driving Laws Practice Test (2026) | DMV IQ