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IL CDL Tanker Vehicles Endorsement Practice Test 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2025 IL commercial driver's license manual
  • Triple-checked for accuracy
  • Updated for July 2025

Commercial truck drivers make a significant contribution to the nation’s transportation sector on a daily basis. With a Illinois Commercial Driver’s License (CDL), you can be an integral part of the support the public and private sectors need to transport their goods and materials. Your impact is only limited by the number of endorsements that you add to your CDL. If you’re interested in earning a living in the Home of President Abraham Lincoln, a CDL tanker endorsement can give you the opportunity to experience substantial earnings and greater job satisfaction.

Our Illinois DMV CDL tanker endorsement practice test will connect you to the most effective training method available to meet the requirements for this endorsement. The practice test includes 20 questions designed to assess your current proficiency level and build upon it with credible information. As part of the certification process, you must meet a few requirements, including passing an official knowledge test. Using the practice test, you will rapidly increase your driving skills and be thoroughly prepared to pass the official 20-question knowledge test. (The required minimum passing score is 80%.)

Unlike traditional study methods, such as study guides, this Illinois DMV CDL tanker endorsement practice test is highly effective in helping you overcome your limitations. It uses an interactive approach to address any information you have difficulty grasping. The practice test is based on the most recent Illinois DMV CDL manual (Illinois CDL Handbook 2025) and is up to date as of July 2025. This manual contains the most authoritative information you’ll find to enhance your driving skills. If you submit an incorrect answer, the practice test uses the information from the CDL manual to explain the correct one to you. This training technique differs greatly from a traditional study guide that just teaches you to memorize the answers to the questions. The practice test goes a step further. It prepares you to retain the information and apply it to the various driving scenarios typically seen on the official knowledge test. You won’t have to rely on guessing the correct answer because the practice test fills your knowledge gaps. By increasing your chances of passing the official knowledge test on the first try, the practice test is starting to make those outdated study methods a distant memory.

Although it comes with greater responsibilities, a Hazardous Material (HazMat) endorsement is a great complement to your CDL tanker endorsement. Our Illinois DMV HazMat endorsement practice test (https://driving-tests.org/illinois/il-cdl-hazmat-practice-test/) trains you in transportation rules and regulations for transporting hazardous materials, such as toxic chemicals and compressed gases.

George Halas became a legend playing two professional sports, and you can claim your fame with extraordinary driving skills learned from the practice tests at https://driving-tests.org/illinois/.

IL commercial driver's license
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy
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

Get your money back if you don’t pass

About this test

10 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.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual IL DMV exam

20

questions

16

correct answers to pass

80%

passing score

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 (4 mistakes allowed to pass)
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