CDL PRACTICE TESTS If you're nervous and not really confident about your coming test, try our CDL practice test. Test your knowledge with +1000 CDL practice questions! All you need to get your certificate is available here. Every test is based on the official DMV manual for your state. Our thousands of Commercial driver license practice questions and tests will ensure that you are completely prepared, taking you in the right direction to beginning an exciting career in trucking. From dump truck to passenger bus and even tractor trailer CDL driver training in for all states. These are the topics covering in our practice tools based on the CDL handbook: - General Knowledge - Air Brakes - Hazardous materials - Passenger Vehicles - Combination vehicles - Double and Triple Trailer Endorsement - Tanker vehicles endorsement - School bus endorsement - Pre-trip inspections This app is easy to use, covers all CDL endorsement materials, and includes the study guide questions which is great to help you understand. This app was helpful to study for the upcoming CDL exam. Disclaimer We are not associated with any DMV. This app is not intended to be relied upon in any dispute, claim, action, proceeding, or for legal advice. For official law descriptions and administrative centers, please consult the respective state body. It is also highly recommended that new drivers take an approved driver education course to learn the rules and laws of the road, and to develop responsible driving habits.