CDL Hazmat Practice Test Prep

Pass your 2026 CDL written exam on the first try. 1,025 practice questions, full-length practice exams, weak-spot review, and full Hazmat + endorsement coverage.

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.

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