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Free Idaho CDL Air Brakes Test (ID)

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2024 ID commercial driver's license manual
  • Updated for July 2024
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Commercial Driver's License

About this test

9 min to complete
Available in EN and ES

Your knowledge of air brakes will be thoroughly tested by anwering these review questions, which will bring you one step close to a CDL that allows you drive vehicles with air brakes in the state of Idaho. These 30 multiple-choice quetions, which closely resemble the types of questions you will find on your DMV exam, are based on information from the Idaho Commercial Driver’s License Manual. Study and practice as often as necessary to achieve the score that you want, and to become a safer driver. The explanation included with each question will also help with this process. Keep practicing, and good luck!

To fully understand the Air Brakes endorsement process and to master the material for the written exam, explore our detailed guides on the Air Brake endorsement and the Air Brakes written test.

What to expect on the actual ID CDL exam

25

questions

20

correct answers to pass

80

passing score

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