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DC CDL Tanker Vehicles Marathon

Need a final study-spree? This District of Columbia CDL Tanker Vehicles Marathon is a lengthy practice test that contains a mixture of all 96 questions that we have available for this DC endorsement. If you make a mistake, 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”. Delivers some serious studying power! Do your best to complete this mega test!

Perfect for

  • First-time DC CDL and CLP applicants
  • CDL holders adding endorsements
  • DC CDL renewal applicants
DC commercial driver's license

What to expect on the actual DC DMV exam

How many questions20
How many correct answers to pass16
Passing score80%

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More DC CDL Tanker Vehicles Resources

Helpful resources

DC CDL Handbook

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

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DC CDL Practice Test App

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

CDL Genie app

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

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