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Based on official ND exam questions

ND CDL Double/Triple Trailers Practice Test 3 2025

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

Building a solid foundation for your driving skills is a prominent capability of our practice test series. Much in the same way Fort Berthold supports oil production, you should seek the best training to support your skill development. With our third free North Dakota DOT CDL Double/Triple Trailer endorsement practice test, you will continue to receive expertly designed instruction for advancing your driving skills.

Additional job opportunities and better pay are some of the advantages of adding a “T” endorsement to your North Dakota commercial driver’s license (CDL). This endorsement allows you to pull multiple trailers, but learning this skill can be a complicated process. You want to make sure the training you receive fully prepares you for the challenges of the required official knowledge test.

Our North Dakota DOT CDL Double/Triple Trailer endorsement practice test gives you the advantage of a single source that meets your specific learning needs. The practice test assesses your current knowledge level using 20 multiple-choice questions similar to the ones on the official knowledge test. If you get a question wrong, you shouldn’t worry because the practice test will respond with a detailed explanation of the correct answer. You won’t be overwhelmed with a lot of technical language that is difficult to understand. Instead, you’ll gain immediate access to essential information that is easily understood. This approach is different from the training provided by traditional resources, such as study guides. Using a study guide, you would be trained to memorize the answers to a series of questions and receive no help in correcting your misunderstandings. You’d be limited to learning surface knowledge and forced to search through other resources for information to correct your wrong answers.

Using the most authoritative information to support your learning process, this North Dakota DOT CDL Double/Triple Trailer endorsement practice test makes it possible to pass your official knowledge test on your first attempt. You must correctly answer at least 80% of the 20 questions on the official knowledge test to pass. The practice test is based on the most recent North Dakota DOT CDL manual (North Dakota CDL Handbook 2025) and is up to date as of November 2025. You can trust the accuracy of the information provided and confidently apply it to various driving scenarios on the official knowledge test. The practice test outperforms other on-line resources by making crucial information readily available and targeting your most significant learning obstacles.

Experienced anglers show off their fishing expertise in the “Perch Capital of the World,” and aspiring drivers can develop professional driving skills by using the practice tests at https://driving-tests.org/north-dakota/nd-cdl-practice-test/.

5 min to complete
Available in EN and ES
ND 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 ND permit test

20

questions

16

correct answers to pass

80%

passing score

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