FREE CDL PREPARATION • ALL 50 STATES
Choose a complete
CDL practice test.
Each category has its own test page, full question count, immediate explanations and no signup requirement.STEP 1 • SELECT YOUR STATE
Where will you take your CDL test?
Choose the state that will issue your commercial learner’s permit. Pennsylvania is selected by default.
STEP 2 • CHOOSE A TEST
What are you studying for?
Select a category to begin the test immediately.
General Knowledge
Safe operations, regulations, inspections and commercial-driving basics.
Air Brakes
Brake components, pressure checks and emergency procedures.
Combination Vehicles
Coupling, rollover risks, handling and inspections.
Hazardous Materials
Placards, shipping papers, loading, security and emergencies.
Tanker Vehicles
Liquid surge, vehicle control, inspection and safe loading.
Doubles & Triples
Converter dollies, coupling order, handling and inspections.
Passenger Vehicles
Passenger safety, loading, prohibited practices and emergencies.
School Bus
Student management, danger zones, crossings and emergency exits.
Pre-Trip Inspection
A structured study review from the engine compartment to coupling.
Knowledge-test counts and combinations may vary by state and can change. These pages use commonly published full-length subject counts. Always compare your preparation with the current CDL manual and testing information from your state licensing agency. These are independent practice questions, not official exam questions.
BUILD YOUR CDL KNOWLEDGE
Prepare with a plan, not guesswork.
Use clear learning paths, practical tools, and focused practice for your next step.