Based on 2024 CO CDL manual

Questions
50
Mistakes allowed
10
Passing score
80%
Official CO General Knowledge: What to Expect
50
Total number of questions

40
Number of questions required to pass

80
Percentage required to pass

Colorado Commercial Driver's License
Colorado Commercial Driver's License

Passing the CDL general knowledge test is a requirement for obtaining your CDL so it’s critical you take the time to prepare.   You will be asked to answer questions about general trucking knowledge, driving safely, vehicle operations, state traffic laws, and emergency protocols.  Get the help you need with this powerful Colorado CDL General Knowledge Practice Test.   With 50 questions created based on the information found in the official Colorado CDL Handbook, our test is the closest thing you can get to the real exam.  Just like the real test, you will need to answer a minimum of 80% of the questions correctly to pass.  If you miss a question, you can review your results and take advantage of the valuable feedback.  Each question includes a detailed description to help ensure you fully master the concepts being tested.  Quickly learn from your mistakes by focusing only on your missed questions.

Nobody wants to take the CDL test more than once.  Not only will you have to make a return trip to the DMV office, you will also be required to pay the testing fee again. Test your knowledge now with our Free Colorado CDL General Knowledge Practice Test and gain the confidence you need to pass.