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CT CDL Hazardous Materials (HazMat) Marathon

12 min

Ready for a challenge? This Connecticut CDL Hazardous Materials (HazMat) Marathon is a gargantuan study tool that contains a mixture of all 191 questions that we have available for this CT endorsement. If you give an incorrect answer, we’ll remember that question and will display it to you again at the very end of the Marathon until you’ve answered that question correctly. In other words, the Marathon will cycle through your missed questions until you answer each one correctly. You must make a 100% to pass. We suggest you attempt this one after you have practiced the state’s “regular” tests, but before the “Exam”. It might take some time, but you can do this!

Commercial Driver's License
Based on the official CT CDL HandbookHandbook‑based (2025) + exam‑taker feedback
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Connecticut

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

Get your money back if you don’t pass

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

Real Connecticut drivers who passed first try

Verified student reviews • Shared with permission

Practice questions were identical to the actual HazMat test in Connecticut.
All of the material made it easy to study. I spent a few hours across 2 days going over the material and felt completely confident in passing. I passed with 25 questions (1 incorrect, overthinking it). This was also way easier and price was better than attending the trucking school where I obtained my CDL.
A
Excellent course.
I used this course to get my hazmat. It was easy to use. I appreciated the audio and visual format of the course. There were so many practice questions which was super helpful to pass the test. I took my test and passed with 100% in less than 5 minutes!
JS
I have been driving truck for almost 34 years.
I have been driving truck for almost 34 years and held a hazmat endorsement for quite a few of those years. DMV could not find any records of my hazmat endorsement, so in order to get my hazmat, I was required to take the ELDT training. I reluctantly put the money out for the training, passed and got my certificate. All said and done, I'm glad I did, because not only did it help me to remember some of my previous training, but I learned there was a lot I didn't know. I would recommend it to every driver.
SAD
I was able to do my ELDT online.
I was able to do my ELDT online and it was submitted immediately! I went to DMV and was in the system. Couldn't believe how quick it was! Passed my Hazmat endorsement test 1st time out. The information contained in the coursework made it a breeze to pass!
AM

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