CDL Air Brakes Study Guide

Write your awesome label here.

Practice Tests Included!

Get prepared for your Air Brakes exam today!

Prepare for the CDL Air Brakes knowledge test with a clear, easy-to-follow study course designed to help drivers understand air brake systems and prepare to remove the Air Brakes Restriction from their Commercial Driver’s License.

The CDL Air Brakes Restriction Study Guide covers the key information drivers are expected to know for the written air brakes exam, including how air brake systems work, the major components of the system, proper inspection procedures, safe braking techniques, warning devices, and important testing procedures.

Whether you are preparing for the air brakes exam for the first time or simply need a refresher, this online course breaks down complicated concepts into practical information that is easier to understand and remember.

Course Includes:


  • In-Depth Study Materials
    Access detailed guides and resources covering every aspect of tanker operations and safety.

  • Interactive Practice Exams
    Test your knowledge with engaging, exam-style practice tests designed to help you succeed.

  • Printable Practice Exams
    Download and print practice exams to study offline at your own pace.

  • Printable Answer Key
    Review your answers with a fully printable answer key to track your progress and improve your performance.


Drag to resize

Training Objectives:

By the end of this training course, you will be able to:

  • Identify the key components of an air brake system
  • Explain the function and operation of different foundation brake types
  • Perform a complete air brake inspection
  • Demonstrate safe use of air brakes in normal and emergency conditions