CDL Hazmat Practice Test Prep

Pass your 2026 CDL written exam on the first try. 1,025 real practice questions, full-length practice exams, and full coverage of every CDL endorsement — built for commercial drivers preparing for the federal CDL test. Whether you're chasing a Class A, Class B, Hazmat, Tanker, Passenger, Air Brakes, Doubles/Triples, or School Bus endorsement, every category is covered with up-to-date questions and clear, plain-English explanations. WHAT'S INCLUDED • 1,025 practice questions across all 9 CDL categories • Full-length practice exams matching the 80% pass threshold • Learn Mode — drill by category with instant feedback and level unlock progression • Review Mode — every missed question with a full explanation • Weak Questions — auto-surfaces what you keep getting wrong • Bookmarks — save tough questions to revisit • Cheat Sheets — quick-reference summaries • Handbook viewer — official state CDL manuals built in • Study streaks — daily goals that keep momentum • Stats dashboard — accuracy by category, passing ratio, weak-spot count at a glance • Exam date countdown — set your target date, get reminders at 30/14/7/3/1 days ALL 9 CDL CATEGORIES (with question counts) • General Knowledge — 373 questions • Hazardous Materials (Hazmat) — 115 • Air Brakes — 101 • Combination Vehicles — 90 • Passenger Transport — 83 • School Bus — 81 • Pre-Trip Inspection — 80 • Tanker — 52 • Doubles & Triples — 47 ENDORSEMENTS COVERED Hazmat (H), Tanker (N), Doubles/Triples (T), Passenger (P), School Bus (S), Air Brakes, Combination Vehicles. Build sessions around the endorsements you actually need for your CDL permit or full Class A/B license. HOW IT WORKS 1. Pick your state and target exam date during onboarding 2. Practice by category, or take a full practice exam 3. Review misses, retry weak areas, watch your pass rate climb BUILT FOR PROFESSIONAL DRIVERS • Practice offline — question bank bundled, no internet needed for sessions • No ads. Ever. • No sign-up required to start practicing • Works on iPhone and iPad • Progress stays on your device SUBSCRIPTION CDL Prep is a subscription service. A weekly or yearly auto-renewing subscription unlocks the full question bank, Review Mode (with full explanations on every missed question), the Handbook viewer, and Cheat Sheets. Subscription auto-renews at the same price unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. Support: [email protected] Privacy: https://www.notion.so/CDL-Hazmat-Practice-Test-Prep-Privacy-Policy-3524d383e4768017bf00fa1604067d85?source=copy_link Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/