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Free Maine CDL HazMat Endorsement Practice Test 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Based on 2025 ME commercial driver's license manual
  • Triple-checked for accuracy
  • Updated for September 2025

Whether driving through the mountainous and hilly areas in the western part of the state, the narrow rural roads (especially in northern Maine), or the dense forests and coastal areas, you can see a bit of everything while driving through the Pine Tree State. You must have set your sights on adding the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL) to increase your marketability and potentially earn higher pay. Keep reading, because we will present the requirements as well as our streamlined approach to help you jump the hurdles.

The Hazmat endorsement permits drivers to transport materials that the U.S. government has deemed hazardous. In Maine, you might haul explosives, certain types of fuel, pulp and paper chemicals (there’s an important paper industry here), industrial chemicals, radioactive materials, and infectious substances. Because of this, the endorsement process contains several safeguards to ensure your preparedness and the safety of you, the people, and the environment.

The first step is passing a Transportation Security Administration (TSA) fingerprinting and background check. It’s important to note that the results can take weeks to arrive, so use that time wisely to study and practice for the second step: the DMV knowledge test. The knowledge test addresses federal regulations, substance handling, material packaging, quantity limits, and several other topics. You’ll need a score of 80% on Maine’s knowledge test, which is made up of 30 questions (Maine CDL Handbook 2025).

We can hear you now: “Explosives? Radioactive materials? Tests?” All this may sound a little overwhelming, but it doesn’t have to be. Our online Maine DMV Hazmat Endorsement practice tests are strategically designed to avoid the mountain of information you’ll find online and get straight to what’s relevant. Our practice tests mimic what you will face on the official DMV test. We have everything you need to prepare for the practice test!

Remember why you’re doing this! It’s not to add another notch to your endorsement belt. It’s for more opportunities and potentially more income. There are multiple industries in Maine that require a Hazmat endorsement, including Verso Corporation (Jay), Irving Oil (Portland), Sappi North America (Skowhegan), and Cianbro Corporation (Pittsfield).

Once you receive your TSA results and feel confidently prepared, you’ll visit the DMV with the necessary documents, pay the fees, and confidently take the test.

Pass the first time with Premium
ME commercial driver's license
  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
  • Triple-checked for accuracy

What you need to know

4.5 out of 5 • 26 votes
7 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual ME DMV exam

30

questions

24

correct answers to pass

80%

passing score

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