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OR CDL Air Brakes Practice Test 3 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

If you’re searching for the most effective way to learn about air brakes, you don’t need to look any further than our Air Brakes practice test series. Having an air brakes restriction on your Oregon commercial driver’s license (CDL) restricts your driving privileges to operating smaller commercial vehicles. Our third free CDL Air Brakes practice test is an interactive learning experience that delivers impressive results. Much like Malheur County, the innovative approach of our practice test is ahead of its time compared with its contemporaries. You’ll rapidly gain the skills to become an air brakes expert.

Under the tutelage of our CDL Air Brakes practice test, you will strategically build upon the skills you developed from your Entry-Level Driver’s Training (ELDT). Removing the air brakes restriction from your CDL requires you to pass an official Air Brakes knowledge test and a skills test demonstrating your ability to inspect and operate the system. Using questions similar to those on the official knowledge test, the practice test gives you a preview of the actual testing experience and identifies the information you should study more. You must correctly answer 80% of the 25 questions on the official knowledge test to pass. The practice test provides you with the resources to achieve this score. You’ll find the practice test to be an encouraging resource that meets you at your current knowledge level and directs you to the information you must better understand.

Helping you to fill in your knowledge gaps, this CDL Air Brakes practice test uses authoritative information to overcome your learning obstacles. This information is taken directly from the most recent Oregon DMV CDL manual (Oregon CDL Handbook 2025) and is up to date as of December 2025. The practice test does not use complicated language that adds to your confusion. The practice test can identify your learning difficulties and supply the information you must know. If you submit an incorrect answer, the practice test provides a thorough explanation of the correct one. By making this information readily available, the practice test saves you valuable study time. You won’t need to consult additional resources for the information required to correct your misunderstandings. Since this Oregon CDL Air Brakes practice test is based on the most authoritative source, you can trust its accuracy and successfully apply it to various driving scenarios on the official knowledge test. The practice test will give you the best chance of passing the official knowledge test on your first try.

While you may enjoy yourself at “Rhapsody in the Vineyard,” you’ll be elated over the professional driving skills developed with the practice tests at https://driving-tests.org/oregon/or-cdl-practice-test/.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
OR CDL Air Brakes Practice Test 3 2025
Commercial Driver's License
Based on official OR exam questions
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)
Last verified for accuracy on
Methodology & Editorial Policy

8 min to complete
Available in EN and ES

What to expect on the actual OR permit test

25

questions

20

correct answers to pass

80%

passing score

More OR CDL test resources

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