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ID CDL Hazardous Materials (HazMat) Marathon

Part of mandatory Entry-Level Driver Training Course Based on 2024 ID commercial driver's license manual Available in EN, ES

What to expect on the actual ID CDL exam

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

Ready for a challenge? This Idaho CDL Hazardous Materials (HazMat) Marathon is a massive practice test that contains a mix of all 191 questions that we have available for this ID endorsement. If you give an incorrect 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”. Give it your best shot!

Enhance your HazMat endorsement preparation with our straightforward HazMat practice test collection, and consult our HazMat endorsement guide for essential tips and information.

For our strict accuracy and quality standards, see our Commitment to Accuracy.
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ID commercial driver's license

Perfect for

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

Helpful resources

ID CDL Handbook

View the most recent (2024) official ID CDL Handbook.

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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...

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