Iowa

About the IA DOT Knowledge Test

The Iowa Department of Transportation (DOT) Knowledge Test is a written exam that all first-time drivers must pass to receive a learner’s permit or driver’s license. Here’s what to know:

  • Number of Questions: 35 multiple-choice questions.
  • Passing Score: You must answer at least 28 questions correctly (80%) to pass.
  • Test Duration: Typically completed in under 30 minutes.
  • Language Options: Available in English, Spanish, and several other languages.
  • Eligibility: Minimum age is 14 for a learner’s permit with parent or guardian consent.
  • Retake Policy: If you fail, you can usually retest the next day.
  • Topics Covered: Road signs, Iowa traffic laws, safe driving habits, and penalties.
  • Test Locations: Offered at Iowa DOT service centers and online for eligible users.

Bring proof of identity, Social Security number, and Iowa residency. For full details, visit the Iowa DOT website.

Take Mini Test Full Practice Test

What Your Iowa Driver License Looks Like

After passing your knowledge test, vision screening, and meeting all Iowa Department of Transportation requirements, you’ll be issued a secure, federally compliant Iowa driver license that looks like this:

Sample Iowa Driver License

This image is for educational and illustrative purposes only. It does not contain real personal data. Photo by: IA DOT