Based on 2024 MO CDL manual

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

40
Number of questions required to pass

80
Percentage required to pass

Missouri Commercial Driver's License
Missouri Commercial Driver's License

Ready to test your CDL knowledge with some additional practice? This powerful Missouri CDL General Knowledge Practice Test has been designed to help you quickly determine where you stand. The general knowledge test is required to be taken by all applicants looking to get their CDL so don’t skip this free practice. You can expect to see questions that will test your knowledge of traffic signs, signals, right-of-way rules, trucking laws, speed limits, vehicle inspection, and basic commercial vehicle safety.

Each of our 50 multiple-choice questions is based on information found in the official Missouri CDL Handbook. You will need to answer 80% of the questions correctly in order to pass but don’t worry with unlimited attempts you can practice until you receive a passing score. Each question includes 4 answer options and a detailed explanation to help ensure you fully understand the material. It is recommended that you review each question explanation to gain further insight into the rule being tested.

Passing the CDL knowledge test doesn’t have to be difficult. With a bit of practice, you’ll be able to quickly pass the exam. It’s time to get your CDL and begin your trucking career!