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  • Updated for January 2025
  • Based on 2025 IL commercial driver's license manual

IL CDL Double/Triple Trailers Practice Test 2025

Taking your IL CDL Double/Triple Trailers endorsement can be unpleasant. Take most of the stress out of the equation by taking the Illinois CDL D/T Trailers practice test. This 20-question practice test closely resembles the authorized test so you will be able to build up your confidence before the day of the real thing. Then, when you finally walk into the DMV, you’ll be ready to take your endorsement test with ease, knowing that you’re ready to get all of the answers right.

Getting to Know the Practice Test

If you’ve never taken a CDL practice test before, you might not be sure what’s coming. First, it’s essential to know that the questions from the test are taken directly from the 2025 Illinois state CDL manual. That means that each question is state-specific, just like the ones you’ll find on the official test. When you take the actual test at the DMV, you’ll notice that the questions are very similar to the ones that were here on the practice test. They might be worded slightly differently, but they will contain the same information. That is why this practice test is such a useful tool.

Make Sure You’re Ready

When test day comes, some people head directly to the DMV. It’s a good idea to take your practice test again to make sure you’re ready. Those questions will refresh your memory. As you go through the questions, you might realize that you aren’t quite as knowledgeable on a particular subject. Then, you need to take out your CDL manual and study that subject before you head out to take your test. Then, when you finally walk through those doors, you will be ready to handle anything that comes your way. No one will stop you from walking back out the doors with your CDL Double/Triple Trailers endorsement!

If you want to be successful the very first time you take your IL CDL Double/Triple Trailers test, a practice test is the key. With the assistance of a practice test, you won’t have any trouble making it through the questions in the authorized test. Good luck with your endorsement!

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Illinois

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

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About this test

8 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

What to expect on the actual IL DMV exam

20

questions

16

correct answers to pass

80%

passing score

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