CDL Study Guide: General Knowledge

This CDL practice test study guide contains general knowledge and safe driving information that all commercial drivers should know regardless of what class of vehicle they intend to operate. You must pass a test on this information to get a CDL license.

Sections of this CDL Practice Test Study Guide include:

Vehicle Inspection
Vehicle Control
Shifting Gears
Seeing
Communicating
Speed & Space Management
Night Driving
Driving in Fog
Winter Driving
Driving in Hot Weather
Railroad Crossings
Mountain Driving
Seeing Hazards
Emergencies
Skid Control & Recovery
Accident Procedures
Staying Alert
Hazardous Materials Rules for all Commercial Drivers
Inspecting Cargo
Cargo Weight and Balance
Securing Cargo
Other Cargo Needing Care
Glossary of Weight Terms
Sample Test
Sample Test Answers