CDL, Class 1 & Class A Prep

Pass your commercial driver license exam with confidence. CDL, Class 1 & Class A Prep helps you study for your commercial driver's license with realistic, exam-style practice questions and full-length mock tests — covering the US CDL knowledge exams (FMCSA) and Canadian Class 1 /Class A commercial licensing. WHY CDL PREP • Real exam-style questions — built around the official CDL and provincial handbooks, not generic trivia. • Full-length mock exams — practice with realistic timing and scoring. • Detailed explanations — understand the "why" behind every answer. • Smart wrong-answer review — every question you miss is saved so you can master your weak spots. • Track your progress — watch your accuracy improve by topic over time. • Study anywhere, anytime — practice on your own schedule. WHAT'S COVERED United States — FMCSA CDL: • General knowledge • Air brakes • Combination vehicles • Endorsements and safe driving Canada — Class 1 / Class A (by province): • Ontario, Québec, Alberta and British Columbia • Commercial vehicle operation and safety • Air brakes and pre-trip inspection • Provincial rules of the road WHO IT'S FOR • New drivers preparing for their first CDL or Class 1 license • Professional drivers adding endorsements • Anyone studying the commercial driver handbook Start with free sample questions — no signup required. Unlock the full question bank and unlimited mock exams anytime. — DISCLAIMER This app is an independent study aid and is not affiliated with, endorsed by, or sponsored by the FMCSA, any provincial ministry of transportation, or any other licensing authority. All practice content is original and created for educational purposes.