All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All PlansFree Connecticut CDL Air Brakes Test 2025
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Based on 2025 CT commercial driver's license manual
- Triple-checked for accuracy
- Updated for September 2025
Are you planning to drive commercial motor vehicles (CMVs) equipped with air brakes? Our Connecticut DMV CDL Air Brakes Practice Tests are designed to prepare you for success, ensuring you pass your knowledge exam on the first attempt. If you don’t pass, your CDL will include the restriction “L,” preventing you from operating CMVs with air brakes. In Connecticut, air brakes are crucial for ensuring safety on challenging terrain like the steep grades of the Northwest Hills along I-84 and Route 8, the icy roads in winter, and the stop-and-go traffic of the urban areas. Such terrain demands precise braking systems and qualified drivers. As most semi-trucks and tractor-trailers rely on air brakes, this qualification and restriction removal are essential.
Industries across the Constitution State rely on drivers with the air brake qualification. Key industries include aerospace, manufacturing, and tourism (Mystic Seaport, Foxwoods). Major companies requiring the air brakes qualification include XOP Logistics and FedEx in the freight sector and O&G Industries and Tilcon Connecticut in the construction industry. Charter bus and public transit companies also require air brakes for safe transport, including DATTCO, Peter Pan Bus Lines, and CTransit. Even the school districts across the state have thousands of buses with air brakes. Simply put, the “L” restriction makes operating CMVs equipped with air brakes illegal, making the above-listed jobs unattainable and severely limiting your marketability as a driver.
Our practice tests help you pass the air brake knowledge test. But the information you learn will also be useful in passing the skills test. The official DMVtest ensures you’re proficient in air brake systems, effective operation, and air-brake inspection procedures. The hands-on skills test includes inspecting components, testing for air pressure and leaks, and operating a vehicle equipped with air brakes. The written Air Brakes knowledge test features multiple-choice questions based on the official Connecticut CDL manual (Connecticut CDL Handbook 2025) and requires a score of at least 80% to pass (20 out of 25 questions).
Our CDL Air Brakes Practice Tests consider everything required for the official DMV knowledge test and mimic the content and format you will face on the test. Additionally, our practice test questions and answers provide responses in real time. This scientifically proven method for improving material retention enables you to learn quickly and be confident of passing your official exam.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual CT DMV exam
questions
correct answers to pass
passing score
Are you in another state?
- Alabama: Test 1 / Test 2
- Alaska: Test 1 / Test 2
- Arizona: Test 1 / Test 2
- Arkansas: Test 1 / Test 2
- California: Test 1 / Test 2
- Colorado: Test 1 / Test 2
- Connecticut: Test 1 / Test 2
- Delaware: Test 1 / Test 2
- District of Columbia: Test 1 / Test 2
- Florida: Test 1 / Test 2
- Georgia: Test 1 / Test 2
- Hawaii: Test 1 / Test 2
- Idaho: Test 1 / Test 2
- Illinois: Test 1 / Test 2
- Indiana: Test 1 / Test 2
- Iowa: Test 1 / Test 2
- Kansas: Test 1 / Test 2
- Kentucky: Test 1 / Test 2
- Louisiana: Test 1 / Test 2
- Maine: Test 1 / Test 2
- Maryland: Test 1 / Test 2
- Massachusetts: Test 1 / Test 2
- Michigan: Test 1 / Test 2
- Minnesota: Test 1 / Test 2
- Mississippi: Test 1 / Test 2
- Missouri: Test 1 / Test 2
- Montana: Test 1 / Test 2
- Nebraska: Test 1 / Test 2
- Nevada: Test 1 / Test 2
- New Hampshire: Test 1 / Test 2
- New Jersey: Test 1 / Test 2
- New Mexico: Test 1 / Test 2
- New York: Test 1 / Test 2
- North Carolina: Test 1 / Test 2
- North Dakota: Test 1 / Test 2
- Ohio: Test 1 / Test 2
- Oklahoma: Test 1 / Test 2
- Oregon: Test 1 / Test 2
- Pennsylvania: Test 1 / Test 2
- Rhode Island: Test 1 / Test 2
- South Carolina: Test 1 / Test 2
- South Dakota: Test 1 / Test 2
- Tennessee: Test 1 / Test 2
- Texas: Test 1 / Test 2
- Utah: Test 1 / Test 2
- Vermont: Test 1 / Test 2
- Virginia: Test 1 / Test 2
- Washington: Test 1 / Test 2
- West Virginia: Test 1 / Test 2
- Wisconsin: Test 1 / Test 2
- Wyoming: Test 1 / Test 2