General Knowledge CDL Practice Tests

Our Free General Knowledge Practice test questions and answers will prepare you online to pass EVERY U.S. State’s official DMV General Knowledge written exam. Each General Knowledge Practice Test has 3 testing modes to help you prepare for the exams and easily remember the information.

Choose a General Knowledge Testing Mode and Get Started Now!

General Knowledge Tests - Classic Mode

In our original Classic Mode, each General Knowledge CDL test has all questions on one page. This will quickly give you an idea where you stand and how much preparation you're likely to need when you move on to Practice Mode. Choose a test to get started below.

General Knowledge Tests - Practice Mode

In Practice Mode, you receive instant correct answers after every question AND a CDL reference. This points you to the exact location in the official state CDL manual to aid your study. Choose a test to get started below.

General Knowledge Tests - Exam Mode

Each practice test is timed and you get your grade and results only after you've finished each test. This is very much like the official state CDL written exams! Choose a test to get started below.

Start practicing with tests in Classic Mode. Quickly go through the Classic Mode of each CDL General Knowledge practice test and you'll have a good idea where you stand. Then, open up your state CDL manual and keep it available. You'll need it when you switch to Practice Mode and begin more intense preparation. Finally, finish up in Exam Mode when you think you’re ready for real exam like conditions. To learn more about our testing modes, see How to Pass the Official State CDL Exams.

To get a CDL and drive any type of commercial vehicle, you must take and pass the General Knowledge test. You'll be tested on general trucking knowledge, driving safely and transporting cargo safely, taken from sections 1, 2, and 3 of your state CDL manual. Once again, you MUST pass the official state CDL General Knowledge exam to get your CDL.