Major roads, which were subjectively determined, were selected and dissolved based upon name (including street prefix) and attributed with road number and road class. Multiple lane roads (i.e. multiple centerlines representing the travel direction or volume of a road) were dissolved to one line for generalization and labeling purposes. Primary criteria for inclusion; all freeways, highways, expressways, county routes, primary reference is: http://www.cahighways.org/. Additionally, major arterials and arterials were included, primary reference is local knowledge and criteria is to emphasize the mesh nature of roads within the county.

Supervisorial Districts Layer. This is the official GIS layer representing Supervisorial District Boundaries within Santa Clara County.

Hospital location inside the Santa Clara County .

A map service providing a visual representation of a 100 year flood zone within Santa Clara County.This data is a subset of DFIRM database. Originator: Federal Emergency Management Agency, Publication_Date: 2015.

The Points of Interest (POI) Dataset is a digital representation of the physical geographic and commercial features across all of Santa Clara County. This dataset aims to provide accurate location information in the map. Sources: Info USA (2010), California Department Of Education (2016), Santa Clara County Combined data (2016).

ParkPoints are the center of the park boundaries of lands operated by and/or owned by Santa Clara County Parks and Recreation Department, California. Includes SCCPRD publically accessible properties, and lands owned by SCCPRD but operated by other agencies: Rancho San Antonio, Uvas Creek Park Preserve, Silveira Property, and Sunnyvale Baylands.

School Boundaries data built from parcel database, extracted parcels based on overlay with gschools.shp. Verified site by site to add or delete based on changes since gschools created. FIELDSNAME - School NameSHORT_NAME - Short school name_DISTRICT - School District nameSTATUS - School statusADDRESS - Street number, name, and typeCITY - City nameZIP - ZipcodeMOD_DATE - Date record modified. gschools from http://webhelp.esri.com/arcgisdesktop/9.2/index.cfm?id=5681&pid=5673&topicname=United_States_Geographic_Names_Information_System_Schools

County Boundary (Area) Layer. This is the official GIS layer representing the boundary of Santa Clara County as a polygon.

Rail Line inside Sanat Clara County. Created from a variety of sources in 2011.

Railroad stations (Caltrain, ACE, Amtrak) location inside Santa Clara County .