Pass your Commercial Driver's License (CDL) exam with our comprehensive practice tests and flashcards.

The app has 2 modes: study mode and flashcard mode. In study mode, the exam will not be timed and you will see the answer and explanation right after answering a question. In flashcard mode, you will be able to go through flashcards as well as grade yourself.

The free version of the app contains the entire set of practice questions and flashcards, but is ad supported. The premium version gives you access to all questions and flashcards and does not contain ads.

Our practice questions and flashcards cover all 8 endorsements and the following topics:

CDL Disqualifications
International Registration Plan and International Fuel Tax Agreement
CDL Exemptions
CDL Classes
CDL Endorsements
Driving Safely
Speed and Curves
Managing Space
Hazardous Roads
Night Driving Procedures
Driving in Fog
Driving in Winter
Driving on Slippery Surfaces.
Driving in Very Hot Weather
Railroad-Highway Crossings
Mountain Driving
Select the Right Gear Before Starting Down the Grade
Brake Fading or Failure
Proper Braking Technique
Driving Emergencies
Tire Failure
How Anti-lock Braking Systems Work
Skid Control and Recovery
Accident Procedures
Fires
Alcohol, Other Drugs, and Driving
Hazardous Materials Rules for All Commercial Drivers
Transporting Cargo
Inspecting Cargo
Cargo Weight and Balance
Legal Weight Limits
Securing Cargo
Spilling Loads and Damage to the Highway
Transporting Passengers
Air Brakes
Combination Vehicles
Doubles and Triples
Tank Vehicles
Hazardous Materials
School Buses