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Bug fixes and small improvements.
Offline CDL practice test: air brakes, hazmat, tanker & all endorsements
Studying for your CDL? This free, offline CDL practice test app helps you prepare for the commercial driver's license knowledge exams with real exam-style questions you can practice anywhere, even with no signal in the yard. IMPORTANT: NOT AFFILIATED WITH ANY GOVERNMENT OR DMV CDL Practice Test Prep is an independent study app. It is not affiliated with, endorsed by, or connected to any government, DMV, FMCSA, AAMVA, or any official testing body, and it is not the official CDL exam. The practice questions are study material written from the publicly available CDL manual. Requirements are set by FMCSA and your state DMV and can change, so always confirm the current rules on the official sources listed below. Get instant answers and clear explanations, so you actually learn the rule, not just memorize it. WHAT YOU CAN PRACTICE General Knowledge, the core test every CDL applicant takes. Air Brakes, to help remove the air brake restriction. Combination Vehicles, for Class A tractor-trailer drivers. Hazmat (H), Tanker (N), and Doubles and Triples (T). Passenger (P) and School Bus (S). Pre-trip inspection knowledge. Whether you are studying for a Class A, Class B, or Class C license, or getting your commercial learner's permit (CLP), the question bank covers the knowledge topics for every endorsement. FEATURES Fully offline. All questions work with no internet connection. Instant feedback with a clear explanation for every question. Review your wrong answers and retry any test. Track your progress and best score per section. Clean, simple design. No account, no signup. OFFICIAL SOURCES CDL requirements come from the U.S. government and your state. Always confirm the current rules here: FMCSA - Commercial Driver's License (U.S. Department of Transportation): https://www.fmcsa.dot.gov/registration/commercial-drivers-license AAMVA - CDL Model Manual: https://www.aamva.org/topics/commercial-driver-s-license Find your state DMV (USA.gov): https://www.usa.gov/motor-vehicle-services This app is study material only. It does not issue licenses, does not administer the official test, and is not a substitute for your state's official CDL manual and exam. Download now and start practicing for your CDL knowledge tests today. For questions or feedback, use the contact form linked in the privacy policy.