Ready CDL Prep: Practice Test

Pass your CDL knowledge test on the first try, and see how close you are before you book it.

The AI Coach does not just mark you wrong. It tells you why in plain words and names the handbook section it comes from, because every question here was written from an official state CDL handbook.

WHY THIS ONE IS DIFFERENT

• Every option is explained, not just the right one: why each wrong answer is wrong, why the right one is right, and the exact handbook section.
• Where the manuals disagree, we say so. The low air pressure warning is 55 psi in some handbooks and 60 psi in others. Affected questions carry a note, and California and New York have their own versions.
• A readiness score that will not flatter you. It weighs coverage, accuracy, consistency and recency, then estimates your chance of passing. Five right in a row barely moves it.

AI COACH

Miss a question and the AI Coach explains it plainly: why your answer was wrong, why the right one is right, and where the handbook says so.

Ask a follow-up in your own words and it answers. Tap for a real-world example from the road, or a quick check on the same topic to see if it stuck.

EVERY SUBJECT, EVERY ENDORSEMENT

• General Knowledge — the written test every applicant takes
• Air Brakes — the section most applicants fail first
• Combination Vehicles — Class A tractor-trailer
• Pre-Trip Inspection — what the examiner wants pointed at
• HazMat (H) — placarding, shipping papers, segregation
• Tank Vehicles (N) — surge, baffles, outage
• Passenger Transport (P) — loading, standee line, exits
• School Bus (S) — danger zones, loading, rail crossings
• Doubles & Triples (T) — coupling, converter dollies, sway

Class A, B and C, and the learner's permit (CLP), for the DMV or DOT written test in all 50 states and DC.

STUDY THE WAY THE TEST WORKS

• Practice questions by subject, explanation right there
• Exam Simulator that matches the real test's length and pass mark
• Timed Drill for exam-day pacing
• Daily Study — five questions rebuilt from what you keep missing
• Missed Questions and bookmarks
• Flashcards for quick drills between sessions
• Handbook Mode — read straight through, questions with answers

BUILT FOR LIFE ON THE ROAD

• The question bank lives on your device. Sleeper, yard, no signal.
• Daily reminders at a time you choose
• Progress synced across your devices
• Spanish interface, English questions — practise in the language you are tested in
• No ads, ever

WHO IT IS FOR

• First-time applicants studying for the commercial learner's permit
• Drivers adding an endorsement: HazMat, tanker, passenger
• Class B holders upgrading to Class A
• Anyone who failed and is going back
• Drivers who moved and must test again

FREE, WITH AN OPTIONAL UPGRADE

The four core subjects are free — General Knowledge, Air Brakes, Combination Vehicles, Pre-Trip Inspection — and so are the explanations, Daily Study, flashcards, progress and offline study. All it takes is a free account — no card. Free accounts also get five AI explanations a day.

GO PRO

Pro adds the Exam Simulator, Timed Drill, every state variation and all five endorsement banks — HazMat, tanker, passenger, school bus, doubles and triples — plus unlimited AI explanations.

Pro Monthly — $19.99 per month
Pro Annual — $59.99 per year
Pro Lifetime — $79.99, one payment

Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Payment is charged to your Google Play account. Manage or cancel anytime in your Google Play subscriptions settings. Lifetime is a one-time purchase and never renews.

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DISCLAIMER

Ready CDL Prep is not affiliated with, endorsed by or sponsored by the FMCSA, any state Department of Motor Vehicles, or any government agency. All questions are original content written from publicly available state CDL handbooks, not actual exam questions.