Email Contacts:
Mailing Address:
Department of Transportation
Division of TSI, MS #38
P.O. Box 942874
Sacramento, CA 94272-0001
FAX: 654-6583
Division of Transportation System Information (TSI)
Our Vision:
As the "Pathway to Information", the Division of Transportation System Information (TSI) collects, maintains, and analyzes information reflecting the characteristics of the State's public road system (including non State highways).
Our Mission:
The Division and its partners access transportation information from a linked database system; make intelligent transportation decisions using Geospatial Information System (GIS) technology; and use state-of-the-art modeling tools and information systems to support the Department's planning and project development needs.
Our Offices:
Office of Geospatial Information Systems (OGIS)

Detailed Transportation Modeling Information