California Department of Transportation
 

DRI Mailing Address

Department of Transportation
Division of Research and Innovation

P.O. Box 942873, MS-83
1227 O Street
Sacramento, CA 94273-0001

DRI Office Locations

Main Office
1227 O Street, MS-83
Sacramento, CA 95814

Research
1101 R Street, MS-42
Sacramento, CA 95814

Richmond Field Station
1301 S. 46th Street, Building 452
Richmond, CA 94804

Transportation Laboratory
5900 Folsom Blvd , MS-5
Sacramento, CA 95819-4612

District 7
120 S. Spring Street, MS-15
Los Angeles, CA 90012

District 11
7183 Opportunity Road, MS-58
San Diego, CA 92110

District 12 TMC
6681 Marine Way
Irvine, CA 92618

District 12
3347 Michelson Drive, Suite 400
Irvine, CA 92612-8894

Email Addresses

Please click here for DRI's Functional Chart, which includes email addresses.