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Based on official TN exam questions

TN CDL Double/Triple Trailers Practice Test 3 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

While there are various on-line methods available, you can depend on our practice test series to provide cutting-edge training. Our third free Tennessee DMV CDL Double/Triple Trailer endorsement practice test builds upon the teachings of the previous tests to teach you how to tow multiple trailers. Much like Beale Street can be counted on for great blues music and southern cuisine, the practice test delivers outstanding results to expand your driving skills.

Before you can add a “T” endorsement to your Tennessee commercial driver’s license (CDL), you must be trained by a dependable resource. The “T” endorsement allows you to pull multiple trailers, making it possible to increase your driving opportunities and earn more money. However, you must first pass an official knowledge test, and the practice test can expertly prepare you for the challenge.

Offering a significant strategic advantage, our Tennessee DMV CDL Double/Triple Trailer endorsement practice test is better equipped to teach you than traditional study methods. Unlike traditional study methods, such as a study guide, the practice test concentrates on helping you overcome your learning obstacles. The practice test includes 20 questions, similar to those on the official knowledge test, to identify the barriers to your success. By evaluating your current knowledge level, the practice test can direct you to the information you should study more to correctly answer at least 80% of the 20 questions on the official knowledge test required to pass. Your wrong answers are followed by a thorough explanation of the information you can use to correct them. This approach makes more efficient use of your study time. If you were to use a study guide, you would be trained to memorize the answers to a series of questions but receive no assistance to correct your misunderstandings. Study guides are more likely to leave you stuck in confusion and looking through additional resources for the required information. The practice test makes the information for expanding your driving skills conveniently available and easily understood.

Combining authoritative information with its innovative teaching methods, this Tennessee DMV CDL Double/Triple Trailer endorsement practice test provides a solid foundation for your success. The practice test is based on the most recent Tennessee DMV CDL manual (Tennessee CDL Handbook 2025) and is up to date as of November 2025. If you get a question wrong, the practice test takes information directly from the CDL manual to thoroughly explain the correct answer. The CDL manual contains the official rules and regulations for pulling multiple trailers, and you can trust the information it provides. Study guides and other on-line resources are not designed to deliver this level of instruction. Using the teachings of the practice test, you can confidently answer questions about various driving scenarios and improve your chances of passing the official knowledge test on your first attempt.

You may always consider “Rocky Top” to be your home, but you can develop professional driving skills for exploring the entire nation at https://driving-tests.org/tennessee/tn-cdl-practice-test/.

5 min to complete
Available in EN and ES
TN commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Authored and curated by Steven Litvintchouk, M.S.

Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
Last verified for accuracy: November 2025 (reviewed weekly)

What to expect on the actual TN permit test

20

questions

16

correct answers to pass

80%

passing score

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