Free Kansas CDL Air Brakes Test 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
Based on 2025 KS commercial driver's license manual
Triple-checked for accuracy
Updated for April 2025

Planning to drive commercial motor vehicles (CMVs) with air brakes? Our Kansas DMV CDL Air Brakes Practice Tests are designed to help you confidently prepare for your knowledge exam and pass on the first attempt. Failing the air brakes test in Kansas results in a one-day waiting period and a fee before you can retake it. If you don’t pass, your CDL will include the “L” restriction, preventing you from operating CMVs with air brakes. Air brakes are essential for safely navigating Kansas, especially in the Flint Hills region, where rolling hills, gradual slopes, and high winds demand precise control. Transportation routes such as I-70 (linking Kansas City, Topeka, and Salina), I-35, and Routes 54 and 81 are vital for agricultural and freight transport, and most semi-trucks and tractor-trailers rely on air brakes. Thus, restriction “L” would limit both your driving options and your access to many job opportunities.

Industries throughout the Sunflower State depend on drivers with air brake qualifications to run smoothly. Key industries include agriculture, manufacturing, and energy. Major companies requiring the air-brake qualification include Scoular and ADM Grain in the agriculture sector as well as XPO Logistics, Old Dominion Freight Line, and FedEx Freight in the logistics industry. Charter bus companies like Village Tours & Travel (Wichita), Arrow Stage Lines (Kansas City), and Prestige Bus Lines (Topeka) also rely on air brake-qualified drivers. Additionally, thousands of full-size school buses statewide are equipped with air brakes. The “L” restriction makes operating CMVs equipped with air brakes illegal, limiting your access to countless job opportunities.

Our CDL Air Brakes Practice Tests cover all essential knowledge for the official DMV Air Brakes knowledge test. This information will also prove valuable as you practice inspecting and operating CMVs to pass your skills test, which involves inspecting components, testing air pressure and leaks, and operating air brake-equipped vehicles. The written Air Brakes knowledge test features multiple-choice questions based on the state’s CDL manual (Kansas CDL Handbook 2025) and requires a score of at least 80% to pass.

Our Practice Tests are carefully designed to mimic the content and format of the official knowledge test while providing real-time feedback on all responses. This scientifically proven approach enhances material retention and ensures you’re fully prepared to pass the test and advance your career in commercial driving.

4.45 out of 5 • 22 votes.

9 min to complete

Available in EN and ES

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What to expect on the actual KS DMV exam

questions

correct answers to pass

80%

passing score

Helpful links

KS DMV website

Official Kansas CDL manual (2025)

More KS DMV Written Exam Resources

KS CDL Air Brakes Test (you are here)

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Our commitment to accuracy and quality in our practice tests

Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.

Written by Andrei Zakhareuski Updated over a week ago

At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.

Here's an inside look at how we maintain the highest quality in our practice tests.

Content Creation and Verification Process

Alignment with Official Manuals:
Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information.
Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation.
Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy.
Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors.
User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly.
Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.

Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.

FREE Kansas CDL Air Brakes Test

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