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- Updated for May 2025
- Based on 2025 OR commercial driver's license manual
OR CDL Hazardous Materials (HazMat) Practice Test 2025
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.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
About this test

What to expect on the actual OR DMV exam
questions
correct answers to pass
passing score
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Your go-to, trusted source
Experience the Driving-Tests differenceThe Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
Before you see your results, discover how CDL Premium helps you:
- Real CDL Exam-Like Oregon QuestionsQuestions match official CDL tests
- Official FMCSA-approvedELDT Certification included
- 99.06% Verified Pass Rate vs. 49% AverageProven success, specialized for CDL drivers




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