Free Utah CDL Air Brakes Test 2025

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

Do you want to operate commercial motor vehicles (CMVs) with air brakes? Our Utah DMV CDL Air Brakes Practice Tests are designed to help you pass the DMV Air Brakes knowledge exam on your first attempt. Failing the Air Brakes knowledge test in Utah results in a one-day waiting period and a retest fee. Until you pass, your CDL will include the restriction “L,” preventing you from operating CMVs with air brakes. Utah is notable for its diverse terrain (and harsh winters), from the steep grades, winding roads, and high altitudes of the Rocky Mountains and Wasatch Range to the deserts and flat plains in western Utah. Here, reliable air brake systems are a necessity for heavy CMVs.
Utah’s major routes include I-15 (running north-south, connecting to Idaho, Nevada, and Arizona), I-70 (running through central Utah), I-80 (running east-west, connecting to California and the East Coast), and US-40 (linking rural areas to national highways). Most semi-trucks and tractor-trailers rely on air brakes. Therefore, with restriction “L,” your job opportunities will be significantly limited.
Industries across the Beehive State rely on drivers with the air brake qualification. These include manufacturing, energy, agriculture, and tourism. Major companies requiring the qualification include Cummins (Salt Lake City) and Northrop Grumman (Ogden) in the manufacturing sector and Chevron and Rocky Mountain Power in the energy industry. In the agriculture sector, Suncrest Farms and Utah Produce Co. are major players requiring air brake-qualified drivers. XPO Logistics, FedEx Freight, and UPS require the same in the logistics and freight industry. In the tourism and charter bus industry, Greyhound Lines and Utah Transit Authority require air brake-qualified drivers. Most Utah full-size school buses also have air brakes, employing hundreds of qualified drivers. Having an “L” restriction on your CDL prevents you from performing these jobs.

Our CDL Air Brakes Practice Tests help you pass your official DMV Air Brakes Knowledge Test and are useful as you practice for your skills test. The official written Air Brakes knowledge test consists of multiple-choice questions based on the state’s CDL manual (Utah CDL Handbook 2025) and requires a minimum passing score of 80%.

Our Practice Tests are designed to mimic the official knowledge test and offer real-time feedback on all responses. This enhances retention, reinforces key concepts, and ensures you pass the test on your first attempt.

9 min to complete

Available in EN and ES

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What to expect on the actual UT DMV exam

questions

correct answers to pass

80%

passing score

Helpful links

UT DMV website

Official Utah CDL manual (2025)

More UT DMV Written Exam Resources

UT 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 Utah CDL Air Brakes Test

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