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Illinois Defensive Driving Practice Test

Practice 25 questions on defensive driving in Illinois — adverse weather, sharing the road, safe following distance, and emergency situations.

What this Illinois practice test covers

  • Defensive driving techniques and maintaining safe following distance
  • Driving safely in adverse weather including rain, fog, snow, and ice
  • Sharing the road safely with trucks, bikes, and pedestrians
  • Handling roadside emergencies and avoiding common road hazards

The actual Illinois Secretary of State knowledge test has 35 questions, and you need at least 28 correct (80%) to pass. This practice test is based on the Illinois Rules of the Road. The test fee is $20. Tests are administered Computer-based at Secretary of State facility. Two parts: 15 traffic sign identification + 20 rules of the road..

Try sample Illinois questions

These questions come from our bank of 326+. The real Illinois written test draws from similar material in the official driver handbook.

3 free preview of 25
1

Your vehicle's horn should be used:

2

Bridges and overpasses freeze before other road surfaces because:

3

When transporting cargo on your vehicle, you must:

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Illinois Defensive Driving Practice Test (2026) | DMV IQ