CDL Exam Help was founded in 1999 by a team of experienced CDL instructors and commercial drivers who recognized that many aspiring truck drivers struggled with the written portion of the CDL exam. What started as a small collection of practice questions shared among students in Ohio quickly grew into one of the most comprehensive online CDL practice test resources available.
For over two decades, our team has been dedicated to helping drivers pass their Commercial Learner's Permit (CLP) written exams on the first attempt. We've helped hundreds of thousands of students across all 50 states prepare for their General Knowledge, Air Brakes, Combination, Tanker, Hazardous Materials, Doubles/Triples, Passenger, School Bus, and Pre-Trip inspections.
Our mission is simple: to provide free, accurate, and up-to-date CDL practice test materials that reflect the latest state DMV requirements. We believe that cost should never be a barrier to education and career advancement, which is why all of our practice tests and study materials remain completely free to use.
Unlike other CDL practice test websites, our question bank is continuously updated to match the 2026 CDL driver manuals from each state. Our practice tests, exam simulators, and flashcards are designed to mirror the real testing experience, helping you build confidence before you walk into the DMV.
We are committed to maintaining the highest standards of accuracy and relevance. Our team regularly reviews state CDL manual updates and adjusts our question bank accordingly. We are not affiliated with any government agency or DMV office — we are an independent educational resource created by drivers, for drivers.
Whether you're starting a new career in trucking or adding endorsements to your existing CDL, we're here to help you succeed. Thank you for trusting CDL Exam Help with your preparation.