Your Progress

  • 0 Incorrect
  • 0 Correct

How to Pass The First Time

  • Practice with the Free tests
  • Unlock 67 Premium tests
  • Review our Premium Cheat Sheets
Pass The first time, guaranteed

or we return 100% of your money

 
 
 
 
 
Advertisement
Ask DMV Genie AI
new
Back to Program Home

CO CDL Tanker Vehicles Marathon

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

What to expect on the actual CO CDL exam

  • 20questions
  • 16correct answers to pass
  • 80%passing score

Ready for something a little different? This Colorado CDL Tanker Vehicles Marathon is a new study tool that contains a compilation of all 96 questions that we have available for this CO 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”. Good luck!

Make sure you're ready for the Tanker endorsement with our specialized tanker endorsement test collection, and solidify your knowledge by exploring our thorough Tanker endorsement guide.

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

Perfect for

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

Helpful resources

CO CDL Handbook

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

Explore

CO 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...

Download

Try Driving-Tests Premium

Pass the knowledge test the first time, guaranteed.