All your missed questions are saved automatically for extra practice.
Already in Your Challenge Bank!™
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.
Adding 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.
Customize your test experience — adjust the view, turn on voice-over, add background music, or switch the language.
Advertisement
0 (4mistakes allowed to pass)
ND CDL Double/Triple Trailers Practice Test 3 2025
5 min
Score distribution:
90-100
=>
0%
80-89
=>
100%
70-79
=>
0%
60-69
=>
0%
<60%
=>
0%
Avg. first-try score: 80%
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.
Written in-house by our teamBased on ND CDL Handbook
Questions are created and maintained by the Driving-Tests.org content team following our multi-layer editorial process and updated whenever the North DakotaDOT changes its handbook or website information. Official sources we check:
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 December 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/.
We know what it takes to pass. And we’ve got the proof.
Driver’s Ed is - nobody wants to set foot inside the DOT. That’s why millions of learners trust us for simple, visual, effective prep.
An official & trusted partner in driver education
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.
A smarter way to study
Challenge Bank™
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
AI-powered feedback
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Interactive handbook
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.
Sources & methodology
We build our practice questions from the current 2025 ND Driver Handbook and refine them using patterns recent test‑takers report.
What we use
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
How we make exam‑like questions
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
What we don’t do
We don’t collect or publish actual test items and we’re not affiliated with DOT.