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MT CDL Hazardous Materials (HazMat) Marathon

12 min

Ready for something a little tougher? This Montana CDL Hazardous Materials (HazMat) Marathon is a monster of a study tool that contains a mix of all 191 questions that we have available for this MT endorsement. If you select a wrong 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”. Good luck!

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

All 650 exam-like questions specific to Montana

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 Montana drivers who passed first try

Verified student reviews • Shared with permission

Hazmat Certification.
This was the best and easiest way to get My Hazmat Endorsement. I struggled online finding a course i could take online and not pay so much money. I found driving-tests recommended on Reddit and was the best thing I've ever done. I got my Endorsement now and am talking with a company that requires it but is a way better opportunity for me and my family overall. I couldn't have done it without driving-tests and their easy, simple to understand and straightforward teaching course. I am definitely recommending this course to anybody thinking of getting their Hazmat Endorsement!
DR
Best Test Preparation.
It was great going in to take the actual HazMat DMV Exam feeling confident. Driving-Tests does an incredible job of getting you over prepared, this makes your test experience fail safe. In turn studying for the ELDT through their HazMat Course helps you bring a good amount of education with you to the job. Driving-Tests has an incredibly user friendly layout.
DC
This is by far the best for ELDT.
I completed the course for Hazmat and tanker training in a week. They reported the results quickly, and taking the test at the DMV was a breeze. Questions on the tests were almost exactly in the same wording as the ELDT training. Great investment!
JP
93 of my 100 DMV CDL questions were exactly as they are written on this site.
I broke my exams into two segments, the General Knowledge, Air Brakes and Combination, and then I will study and go back for Tankers and Hazmat in a week or so. Despite an insanely loud exam room, and someone next to me reading every question on his tests out loud, I missed one question on 3 exams. And just like on this site, if you succeed, the exam ends immediately. Out of about 100 exam questions, maybe 7 were not on this site. The other 93 were written the same way you will see them here. But those 7 were not too hard. I only studied for 3 days and did not have time to study on the day of my exam. Seeing familiar questions and answers made taking the actual DMV exam very calming. To me this site was an inexpensive insurance policy to make sure I succeeded and could get my career going.
WH

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