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DRISI - Transportation System Information (SI) collects and analyzes report statistics related to the fiscal status, physical and geometric extent, performance, and designation of the State's roadway systems. We then research and provide ways in which our customers can access, display, and use these statistics.
We have several offices devoted to SI and the services we provide. The Office of Data Services and Technology (ODST) and the Office of Highway System Information and Performance (OHSIP) are located at the 1120 N Street. The remaining office that works with SI data, The Office of Planning, Policy and Program Development (OPPPD) is located at 13th/O Streets.
Caltrans' focal point for GIS oversight and planning, located in the Office of Data Services and Technology.
Caltrans Earth - California Geospacial Tool
GIS Data Library - Available Geospatial Data
providing important data to FHWA that affets Federal allocations to the state
California Public Road Data (PRD) - Years 2001 through 2014
HPMS Program - Federally mandated inventory system and planning tool
Providing data for the Governor's office, State Legisltators and FHWA
National Highway System
California Road Systems (CRS) Maps
FHWA 2010 Urban Areas
Page updated August 4, 2016