1
2
3
4
5
All tests
/
 
 
 
 
 
Advertisement
Based on official Idaho exam questions

ID CDL Double/Triple Trailers Practice Test 3 2025

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

Enticing benefits, such as better pay and increased driving opportunities, can provide the motivation for you to pull multiple trailers with a “T” endorsement added to your Idaho commercial driver’s license (CDL). Using our series of practice tests, you are given the advantage of learning from the experts. Our third free Idaho DMV CDL Double/Triple Trailer endorsement practice test builds upon the skills you developed using the previous ones. Towing multiple trailers requires advanced driving skills, and the practice test helps you learn crucial information to safely and competently demonstrate your ability. Similar to how the Boise Open helps golfers earn their PGA Tour card, the practice test provides the training to take your driving skills to the next level.

Including an interactive capability, our Idaho DMV CDL Double/Triple Trailer endorsement practice test is designed to help you overcome your most significant challenges. The practice test contains 20 questions to identify the information you find difficult to understand. Based on your performance, you’ll be able to assess your readiness to correctly answer at least 80% of the 20 questions on the official knowledge test for a “T” endorsement. The practice test mimics the official knowledge test and will increase your chances of passing the official knowledge test on your first try.

Just in case you’ve thought about using more traditional study methods, you should consider that this Idaho DMV CDL Double/Triple Trailer endorsement practice test outperforms them. Traditional study methods, such as a study guide, train you to memorize the answers to test questions and restrict you to learning enough surface knowledge to hopefully pass. In comparison, the practice test uses authoritative information to help you develop a deeper understanding of the information you must learn. The practice test is based on the most recent Idaho DMV CDL manual (Idaho CDL Handbook 2025) and is up to date as of November 2025. If you submit an incorrect answer, the practice test won’t make you spend valuable study time searching through other resources for the correct one. Instead, the practice test responds with a thorough explanation of the correct answer that is easily understood and applicable to various driving scenarios likely to appear on the official knowledge test. You’ll be ready to ace your official knowledge test and put your newly developed skills to use.

Lace up your boots for a scenic hike along the Sawtooth Range, and cut your teeth on professional driving using the practice tests at https://driving-tests.org/idaho/id-cdl-practice-test/.

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

20

questions

16

correct answers to pass

80%

passing score

We know what it takes to pass. And we’ve got the proof.

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.

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.

5/5
1 votes
Click a star to add your vote
Ask AI Coach
Hi there! I'm Officer Frank