RRoad Rules Prep

Illinois Speed Control practice

Practice 12 Illinois DMV questions on speed control. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

What is the speed limit for an Illinois school zone?

  • A.10 mph
  • B.15 mph
  • C.20 mph✓
  • D.25 mph

Why: In Illinois, the speed limit in school zones is 20 mph. This applies on school days when children are present and signs are posted.

2

Which of the following statements regarding speed limits in Illinois is correct?

Illustration for question 2
  • A.You should keep up with the flow of traffic, but you must never exceed the legal speed limit.
  • B.You should never drive so slowly as to impede the flow of traffic.
  • C.You are only allowed to drive at the posted speed limit under safe conditions.
  • D.All of the above are true.✓

Why: Illinois law requires drivers to stay within the legal maximum speed limit while also avoiding driving so slowly that they impede traffic. Additionally, the posted speed limit is only applicable under safe conditions.

Take the full Illinois mock exam →

Practice material only — verify current rules with the Illinois Secretary of State.