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Division of Research, Innovation and System Information (DRISI)

Welcome to DRISI, Caltrans’ go-to service division for transportation-related data, research, and innovation. Our division plays a critical role in advancing California’s transportation system, developing comprehensive transportation solutions, collecting transportation data and roadway statistics, and creating and disseminating transportation-related knowledge and information. More about DRISI...

photo for research and innovationphoto for system information

Our Purpose

To provide solutions and knowledge that improve California’s transportation system.

Automated Roadway Debris Vacuum System

Statewide Alerts and Other Information