California Department of Transportation

Our Office Chief is located at
1227 O St - (13th/O) - MS#83

Email Coco's secretary

The following two offices are located at 1120 N St - HQ Bldg - MS#38

Email Chad Baker Email Mark Samuelson

Mailing Address for this Location:
Department of Transportation
Division of DRISI-HQ, MS #38
P.O. Box 942874
Sacramento, CA 94274-0001

FAX: (916) 654-9977


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Division of Research, Innovation, and System Information (DRISI)

Formerly TSI/ Now DRISI - HQ Location

The Division of Transportation System Information has merged with the Division of Research and Innovation (DRI) on November 1, 2012. The new division is the Division of Research, Innovation, and System Information (DRISI). One of our offices, Office of Travel Forecasting and Analysis has moved to Transportation Planning. Don't hesitate to call or email us if you have any questions or need assistance. Click on the Office Chiefs' photos at the right or click on the office tabs above or the Contact Us tab at the left.

DRISI Offices at This Location:

Office of Data Analysis and GIS (ODAGIS)

Office of Highway System Information and Performance (OHSIP)

Website For DRISI - 13th/O Location:

DRISI-13th/O Website


Office of Travel Forecasting and Analysis is located in the Division of Transportation Planning (DOTP)

Staff is still located at MS 38.

Office of Travel Forecasting and Analysis (OTFA)


Page updated on February 12, 2014