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Delaware CDL HazMat Practice Test 4 2025

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

The HazMat endorsement is required by the states for drivers of commercial vehicles. The purpose of the HazMat endorsement is to ensure that drivers are aware of the hazards associated with the transportation of hazardous materials. When you need a job that requires the HazMat endorsement, preparing for the CDL knowledge exam is hard. The Delaware CDL manual is overwhelming, filled with information that’s often confusing and hard to remember. You need something where you could supplement the dry information with exam-like practice. This HazMat practice test will help you prepare. We’ve designed it to be the tool that will help you pass the official exam with ease – by covering the same materials that the real exam is based upon. You’ll be getting instant feedback after each question so you’ll know why every answer is correct. The answers are explained with easy-to-follow language. You’ll study at your own pace, and even review specific questions if they give you problems. Good luck!

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
Delaware CDL HazMat Practice Test 4 2025
Commercial Driver's License
Based on official DE exam questions
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)
Last verified for accuracy on
Methodology & Editorial Policy

9 min to complete
Available in EN and ES

What to expect on the actual DE permit test

30

questions

24

correct answers to pass

80%

passing score

Real Delaware drivers who passed first try

Verified student reviews • Shared with permission

I found this course to be excellent….
I completed the program in basically 2 days. I really liked the ability to go back as often as I wanted for reviews. I did get one question incorrect on the test at the dmv but that was my error in how I read the question. I have discussed the material in this course with drivers who hold a hazmat endorsement and they were impressed with how well I knew the material. Some even said I knew it better than they did. Again I say excellent course!
BK

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