CLP Prep

CLP Prep offers the most effective preparation for the Commercial Drivers License General Knowledge, as well as a range of endorsement exams.
It includes questions covering General Knowledge, Air Brakes, Combinations, Hazmat, Doubles-Triples, Tanker, School Bus And Passenger topics.
Explanations following your responses in practice quizzes
Additionally, CLP Prep supports multiple languages, including Russian, with more languages to be added in the future.


We welcome and appreciate your feedback and requests!
Feel free to reach out to us at [email protected] with any comments, suggestions, or inquiries you may have.
Your input is valuable to us as we strive to enhance your experience.
Thank you for taking the time to read this message, and we wish you the best of luck on your upcoming test!