Commercial Driver License Test app for iPhone and iPad

Exam-like questions for preparation to USA DMV test.
This is a useful application for everyone who are about to take exam.
All 50 states. Questions are state-specific. Prepare whenever you want with your phone.

We also include road signs explanation in this app to help you prepare for any question.

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test.
To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the Alabama Commercial Driver License Manual. Questions come from chapters covering:
Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Tests:
Class A Knowledge
Air Brakes
Combination
Class B Knowledge
Bus
HazMat
Double
Tank
Passenger