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MD CDL Air Brakes Marathon

What to expect on the actual MD CDL exam

  • 25questions
  • 20correct answers to pass
  • 80%passing score

Ready to put your new knowledge to the test? This Maryland CDL Air Brakes Marathon is a new practice test that contains a mixture of all 183 questions that we have available for this MD endorsement. If you give an incorrect answer, we’ll remember that question and will display it to you again at the end of the exam 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”. It might take some time, but you can do this!

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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.

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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...

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MD commercial driver's license

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