Prepare for your CDL Hazmat endorsement exam with over 1,000 practice questions covering all hazard classes, placarding, and emergency response. Features include a DOT placard guide, exam simulator with multiple modes, and offline flashcard decks for convenient study.
3.0
October 27, 2026
CDL Hazmat Prep 3.0 makes daily study easier: • Resume unfinished practice with saved question order and answers. • Open practice, guides, flashcards and mock practice directly from your study plan. • Updated question-bank synchronization preserves matching history and bookmarks. • See earlier question history separately from active coverage. • Stable answer choices and more reliable timing in Speed Round. • Review explanations and references during timed mock practice. • Clearer free access, Pro features and eligible monthly free-trial information. • Faster splash screen with reduced-motion support. • Revised ERG and route resources link to official information. Independent study support. Technical content is in English. State exam requirements vary; this app does not provide ELDT certification.
MoreFull access for one year. Best value.
The app is designed to help users pass the Hazmat endorsement exam, which requires an 80 percent score. The app's 'Pass Promise' offers an extension of access if a user meets specific criteria and still doesn't pass.
No, CDL Hazmat Exam Prep does not contain advertisements. The app is free to download and offers a freemium model with optional in-app purchases for full access.
The 'Smart Practice' feature tracks the categories you struggle with and serves those questions more frequently. This ensures you focus your study time on areas where you need the most improvement.
The 'Pass Promise' is a guarantee that if you complete all questions with an 80% or higher average, hold an active subscription for 3 months, and still do not pass the exam, your access will be extended by 4 months at no charge.
Yes, the flashcard decks and other study materials in CDL Hazmat Exam Prep work 100 percent offline. No signal is needed, making it convenient for studying anywhere.
The app's practice questions are based directly on 49 CFR Parts 171 through 180, which are the federal regulations used by the FMCSA for testing.
The app offers five exam modes: Hazmat General Knowledge, Hazmat Operations, Emergency Response, Tanker Endorsement, and a Full H/N/X Combo. Each mode simulates exam conditions with timed questions and scoring.
The app is free to download and offers a 3-day free trial for its PRO version. Pricing details for subscriptions can be found within the app.
