MO CDL General Knowledge Marathon
Original questions by our team Based on 2026 MO CDL Handbook
Ready for something really challenging? This Missouri CDL General Knowledge Marathon is a lengthy practice test that contains all 694 questions from our database for this MO endorsement. If you select a wrong 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”. It might take some time, but you can do this!