CDL Practice Tests

Take our free CDL practice tests updated for 2024. Tests include the general knowledge test and all endorsements. These tests are designed to help you study for your official commercial driver's license exam.

Study Materials:

General Knowledge

The questions on this CDL Class-A general knowledge practice exam will test your understanding of commercial truck driving rules and regulations. 

Combination Vehicles

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.

Air Brakes

Practice your skills and test your knowledge regarding air brakes before you take the state certification air brake test.

HAZMAT Endorsement

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.

Tanker Endorsement

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.

Doubles and Triples Endorsement

Preparing for the doubles and triples endorsement? Use our practice test to help set yourself up for success before taking on the state exam at your local DMV.

School Bus Endorsement

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.

Pre Trip Inspection Engine Compartment

The CDL pre trip inspection checklist includes a section about the engine compartment and this true or false practice test will help you check what you know.