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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.
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It’s challenging enough to navigate changing road conditions without having to deal with the adverse effects of an “L” restriction on your Rhode Island Commercial Driver’s License (CDL). An “L” restriction denies you permission to operate vehicles equipped with air brakes. Your ability to control air brakes is essential for regulating your speed while transporting heavily weighted loads. Most semi-trucks, tractor-trailers, and full-size buses use air brakes, and you’re going to need an understanding of them to secure the best driving opportunities. Your chances of securing employment with RIPTA or any commercial truck line will greatly increase by becoming air brake-qualified. Narrow roadways, severe weather conditions, and heavily congested traffic require you to make quick decisions, and a firm grasp of air brake operations will allow you to avoid negative outcomes.
Our Rhode Island DMV CDL air brake “endorsement” practice test equips you with the skills necessary to become an air brake-qualified driver. Removing the “L” restriction requires you to pass a skills test (part of which involves conducting an inspection of the air brakes) and an official Air Brakes Knowledge Test. By correctly answering 80% of the 25 questions on the official knowledge test, you will earn a passing score and prevent the enforcement of a one-day waiting period to retest.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
This Rhode Island DMV CDL air brake “endorsement” practice test assesses your readiness to take the official knowledge test and addresses your learning obstacles. The practice test quizzes you with 30 questions, similar to those on the official knowledge test. This approach helps you establish a baseline to begin your study by identifying the information you don’t completely grasp and tracking your progress in absorbing it.
With its interactive capabilities, the practice test can pinpoint your most difficult topics and provide you with reliable information to master them. The practice test bases its teachings on the most recent Rhode Island DMV CDL manual (Rhode Island CDL Handbook 2026) and is up to date as of January 2026. If you submit an incorrect answer, the practice test takes information from the manual to give you a thorough explanation of the correct one.
Using the practice test, you will enjoy a significant advantage over employing traditional study methods to accomplish your learning objectives. Traditional study methods are becoming outdated because they focus on training you to memorize the answers to the questions and do not help correct the answers you get wrong. The practice test gives you immediate access to the information you need, helps you apply it to various driving scenarios, and increases your chances of passing the official knowledge test on your first attempt.
Rhody Nation cheers the Rams to victory, and you can find encouraging support for developing winning driving skills with the practice tests at https://driving-tests.org/rhode-island/.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2026 RI Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DMV.
