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OR CDL Hazardous Materials (HazMat) Practice Test 2025

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

Your career depends on you passing your OR Hazardous Materials exam. You studied, but you don’t feel as if you’re fully prepared. You could just walk into the DMV and hope for the best, but that would be a mistake. Instead of rolling the dice, take an Oregon Hazardous Materials practice test. It will get you fully prepared for the real test. Then, you’ll be sharp and ready to go on the test day.

Your Practice Test – What to Know

A CDL Hazardous Materials practice test closely resembles the official test you’ll take at the DMV. The test’s 30 questions are taken from the 2025 Oregon CDL manual, just like the questions on the real exam. This way, you will come across the same types of questions on the practice test and the authorized test. They might be worded in a different way, but the meaning will be the same. That makes the practice test the perfect way to get ready for taking your CDL Hazardous Materials test.

Since this is a practice test, use it as a way to get prepared for the big test. Take out your pencil and paper and make a note of your weak areas. If something is giving you trouble, you can go back and go over it. Then, take the practice test over and over again until you breeze through it.

Then, you’ll be ready for test day.

Tackling the Test

Test day might feel stressful, but keep in mind, you have prepared for it. You are ready to handle whatever comes your way. Just remember what you learned on the practice test, and you will be prepared.

Get those remaining jitters out of your system by taking the practice test once more. After all, practice really does make perfect, and that will burn the answers into your head. Then, you will go in like a force to be reckoned with when you take your test.

Best of luck on your HazMat test. As long as you take your practice test and follow these tips, you shouldn’t have any problem whatsoever with your test.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
Commercial Driver's License
Based on official OR exam questions
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to Oregon

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

5 min to complete
Available in EN and ES

What to expect on the actual OR permit test

30

questions

24

correct answers to pass

80%

passing score

Real Oregon drivers who passed first try

Verified student reviews • Shared with permission

Best test experience ever.
Well would have to say your AI interactive with question either giving you examples or breaking the question down, but being able to go over any questions that you got wrong was helpful it was the best test experience that I have ever had. Went into DMV the day after I passed my ELDT training and took my Hazmat test and passed with know wrong answers you made it very easy thank you very much was a very good experience and process. Doug C
DACI
So this was extremely helpful.
I studied for my hazmat, doubles and triples, and tanker endorsements and studied everything within 3 days. I had a scheduled testing date the same week at the dmv and passed every single test! this site is truly worth the buy and is well worth it. Thank you for all the help provided! 😊 Would definitely recommend.
DM

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