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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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View All PlansMI CDL Double/Triple Trailers Practice Test 3 2025
You’ll be excited to know the practice test series for enhancing your driving skills continues with our third free Michigan DOS Double/Triple Trailer endorsement practice test. While Detroit-style brought a different take on making pizza, the practice test will change your approach to learning new driving skills. You shouldn’t take any chances on using an inferior study method to learn the skills necessary for adding a “T” endorsement to your Michigan commercial driver’s license (CDL). (This endorsement allows you to tow multiple trailers.) You can depend on the practice test to provide sufficient training to overcome your learning obstacles and prepare you for success. The practice test is designed to respond to your misunderstandings and offer the assistance needed to eliminate your confusion.
Our Michigan DOS CDL Double/Triple Trailer endorsement practice test enables you to customize a study plan to maximize your results. The practice test effectively identifies your knowledge gaps and helps you learn the information you must know to pass the official knowledge test required for receiving a “T” endorsement. Unlike traditional study methods, the practice test does not train you to memorize the answers to a series of questions. Instead, the practice test is designed to be interactive and contains 20 questions to determine your most significant challenges to passing the official knowledge test. If you get a question wrong, the practice test responds with a detailed explanation of the correct answer. You’ll rapidly develop a firm grasp of the topics you’ve struggled to understand. Traditional study methods are not able to produce such remarkable results. They provide no feedback on your incorrect answers and force you to burn valuable study time consulting additional resources for the required information. The practice test makes this information conveniently available to you. You won’t find a more dependable resource than the practice test to prepare you for the challenges of the official knowledge test.
This Michigan DOS CDL Double/Triple Trailer endorsement practice test uses the most authoritative information available to support your answers. The official knowledge test requires you to correctly answer at least 80% of its 20 questions to pass. With the support of the practice test, you will increase your chances of achieving this score on your first attempt. The practice test uses information taken directly from the most recent Michigan DOS CDL manual (Michigan CDL Handbook 2025) and is up to date as of October 2025. You can be confident in the accuracy of this information to support your answers and be able to apply it to various driving scenarios that may appear on the official knowledge test.
The Bay City Fireworks Festival ignites excitement on the Fourth of July, and your enthusiasm for developing professional driving skills will be sparked by the practice tests at https://driving-tests.org/michigan/mi-cdl-practice-test/.


Verified for accuracy: October 2025
Reviewed by Steven Litvintchouk, M.S.
Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
What to expect on the actual MI exam
questions
correct answers to pass
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