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CDL Career Now free online CDL practice tests will help you chech your understanding of Class A commercial driver's license rules and regulations. Study the CDL manual then take tests including general knowledge, combination vehicle, school bus, HAZMAT, tanker, pre trip inspection and more. Tests are designed to supplement your CDL classes and have been updated for 2019.
To take a state-specific test, please select your state and then select your test:
Our general knowledge CDL practice test has questions and answers designed to help you check your understanding of general truck driver rules and regulations.General Knowledge Test
Test your knowledge of combination vehicles before you take your combination vehicles certification test at the DMV. Give yourself a passing chance before you take on the required exam.Combination Vehicles Test
Practice your skills and test your knowledge regarding air brakes before you take the state certification air brake test.Air Brakes Test
Interested in advancing your career by obtaining a hazmat endorsement? Before you take your state's test, make sure you are prepared by answering our practice test questions.HAZMAT Endorsement Test
Looking to earn your tanker endorsement? Don't take the state required exam without preparing with our practice test first. Test your current knowledge and identify areas that need improvement.Tanker Endorsement Test
Preparing for the doubles and triples endorsement? Pass our practice test with a 90% or higher and set yourself up for success before taking on the state exam at your local DMV.Doubles and Triples Endorsement Test
Our school bus CDL S endorsement practice test has questions and answers designed to check your understanding of the safe operation of a school bus.School Bus Endorsement Test