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Free Illinois CDL Air Brakes Test 2024 | IL

Part of mandatory Entry-Level Driver Training Course Based on 2024 IL commercial driver's license manualAvailable in EN, ES
30questions
6mistakes allowed
80%passing score

Today, your knowledge of air brakes will be tested. THis will help you do better on your upcoming DMV air brake exam. The 30 multiple-choice questions included are based on information from the Illinois Commercial Drivers License Study Guide, and are meant to closely simulate the exact types of questions you will find on your DMV exam. Read each question as well as the accompanying answer explanation carefully, so that you will be prepared if the exam asks about these topics in a different manner. Keep practicing, good luck, and drive safely!

4.39 out of 5 • 119 votes.

Perfect for

  • First-time IL CDL and CLP applicants
  • CDL holders adding endorsements
  • IL CDL renewal applicants
IL commercial driver's license

What to expect on the actual IL DMV exam

How many questions25
How many correct answers to pass20
Passing score80%

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More IL CDL Air Brakes Resources

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IL CDL Handbook

View the most recent (2024) official IL CDL Handbook.

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10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

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10 Things You Should Do Before Your Driving Knowledge Exam (PDF)