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DRISI is composed of nine offices that work together as a team to provide solutions and knowledge that improve Californias Transportation System. Below are links to each of these offices, a brief description of their function, and a link to their homepage (as they become available) along with their main contact.

Executive Office


Office of Communication System Research


Office of Data Services and Technology (ODST)


Office of Highway System Information and Performance(OHSIP)


Office of Materials and Infrastructure (OMI)


Office of Operations and Resource Management (ORM)


Office of Planning, Policy, and Program Development


Office of Safety Innovation and Cooperative Research


Office of Traffic Operations Research


Statewide Alerts and Other Information

Contact Information

Physical Address:

Department of Transportation
Research, Innovation and System Information
1227 O Street
Sacramento, CA 95814

Mailing Address:

Department of Transportation
Division of Research, Innovation and System Information
MS #83

P. O. Box 942874
Sacramento, CA 94274-0001

General Information:

Phone: (916) 654-8899
Fax: (916) 654-9977

Email: DRI.Communication.Team@dot.ca.gov

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Page updated on April 14, 2017