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DE CDL HazMat Practice Test 2 2025

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

Acquiring a Hazardous Materials (HazMat) endorsement on your Delaware commercial driver’s license (CDL) requires you to learn the federal regulations that apply to those materials. With this second Delaware DMV CDL HazMat endorsement practice test, you can build upon the lessons you learned using the previous test. An extensive knowledge of proper labeling, storage, and security of these materials will help prevent you from making costly mistakes that damage people, property, or the environment. Don’t risk the “Liberty and Independence” of being a commercial driver! Whether it involves diesel, pesticides, or any other material classified as hazardous, you must exercise the same amount of caution. Once you’ve developed a firm understanding of the safe transportation and disposal of these materials, increased earnings and driving opportunities could be waiting for you.

More effective than a study guide, our Delaware DMV CDL HazMat endorsement practice test combines reliable information with an interactive format. Obtaining a HazMat endorsement requires you to possess a valid CDL or permit, complete a Transportation Security Administration (TSA) background check, and pass an official knowledge test. The practice test is designed to target the specific knowledge gaps that make the official knowledge test difficult for you. You must answer at least 80% of the 30 questions on the official knowledge test to pass. Using 30 questions, the practice test assists you in creating a study plan to achieve the required score.

This Delaware DMV CDL HazMat endorsement practice test gives you an opportunity to exhibit your knowledge and obtain the necessary information to expand it. Traditional study guides are designed to be one-dimensional and limit your learning to memorizing the answers to a set of questions. This approach fails to address your misunderstandings and forces you to search through other resources for the information you need. In comparison, the practice test is based on the most recent Delaware DMV CDL manual (Delaware CDL Handbook 2025) and is up to date as of September 2025. If you don’t know the answer to a question, the practice test generates feedback containing a detailed explanation of the information you must know. You can count on the practice test to make it possible for you to pass the official knowledge test on your first attempt by showing you how to apply its teachings to various scenarios.

Today, it’s more convenient than ever to access driver training resources. However, you must be sure the ones you choose are credible. Our practice tests cover a wide range of topics, including air brakes and tankers, to increase your skills.

Politicians in Sussex County may sweat it out on Return Day, but you’ll stay cool as a cucumber with the primary driving skills developed using the practice tests at https://driving-tests.org/delaware/.

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

About this test

5 out of 5 • 1 votes
4 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 DE DMV exam

30

questions

24

correct answers to pass

80%

passing score

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