CDL Prep • Practice Test 2026

Pass your CDL permit test on the first try. This is the fastest way to get ready for the commercial driver's license knowledge exam in your state — Class A, Class B or Class C.

Over 5,800 practice questions written to match the real DMV test, with clear explanations that help you understand the rules instead of memorizing answers. Study 10 minutes a day and walk into the DMV ready.

EVERY CDL TEST IN ONE APP • General Knowledge • Air Brakes • Combination Vehicles • Hazardous Materials (HazMat) • Tanker Vehicles • Doubles & Triples • Passenger Vehicles • School Bus • Pre-Trip Inspection • State-specific requirements

BUILT FOR YOUR STATE Questions and exam rules are tailored to all 50 states and Washington, D.C. Pick your state once and practice exactly what your DMV will ask.

REAL EXAM SIMULATOR Take a full mock test for each section with the same number of questions and the same passing score as the official exam. New questions every time, so you know you're ready — not just lucky.

LEARN FROM EVERY MISTAKE • Hints and detailed explanations for every question • Challenge Bank collects the questions you missed so you can master them • Marathon mode runs through a whole section until you get every question right • Track your progress and see when you're ready to book the test

STUDY IN ENGLISH OR SPANISH Every question is available in both languages. Practica para tu licencia de manejo comercial en español.

WHO IT'S FOR New truck drivers getting a CLP, drivers adding HazMat, Tanker, Doubles/Triples, Passenger or School Bus endorsements, and experienced drivers renewing or upgrading to Class A.

Download now and get your commercial license faster.

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This is an independent study app and is not affiliated with or endorsed by any government agency, DMV or FMCSA.