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Free Maryland CDL HazMat Practice Test 2023 | MD

Part of mandatory Entry-Level Driver Training Course Based on 2023 MD commercial driver's license manual Available in EN, ES

What to expect on the actual MD CDL exam

  • 30questions
  • 24correct answers to pass
  • 80%passing score

Your career opportunities may increase significantly once you receive your Hazardous Materials (HazMat) endorsement. With a HazMat endorsement, you will be able to haul more types of loads safely and legally. Start practicing now for the official hazardous materials knowledge test. Our Maryland HazMat practice test consists of 30 multiple-choice questions designed to familiarize you with both the format of the actual HazMat knowledge test and many of the topics it covers. Each practice test question is based on the Maryland Commercial Driver License Manual and comes with an optional hint and an explanation of the correct answer. Please read these explanations carefully; they provide additional information that may help you answer related questions on the actual exam. Practice this test as often as you need to until you feel completely comfortable with the subject matter. Good luck on your hazardous materials knowledge test, and drive safely!

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MD commercial driver's license

Perfect for

  • First-time MD CDL and CLP applicants
  • CDL holders adding endorsements
  • MD CDL renewal applicants

Helpful resources

MD CDL Handbook

View the most recent (2023) official MD CDL Handbook.


MD CDL Practice Test App

Download our free iOS or Android app and practice for your driving test offline or on the go.

10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

MD commercial driver's license

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