Data Management


SPM provides a common platform to share, review, update, and disseminate data between SCAG and local jurisdictions while maintaining data consistency and integrity. Through user permissions, local jurisdictions can access high quality geospatial data covering SCAG region down to parcel level and update information of its own jurisdiction. Data available through the SPM include:

Legal/Administrative/ Statistical Area

  • County boundary
  • Subregion boundary
  • Sphere of Influence
  • City boundary
  • Census Tract boundary

Growth Estimates/ Projections

  • Number of people
  • Number of households
  • Number of jobs

Planning/Analysis Unit

  • Transportation Analysis Zone (TAZ) boundary
  • Scenario Planning Zone (SPZ) boundary
  • Parcel boundary

Land Use/Environment

  • Existing land use
  • General Plan land use
  • Zoning
  • Entitlement
  • Sea level rise

Resource Areas/Farmland

  • Endangered species and plants
  • Flood areas
  • Natural habitat
  • Open space and parks
  • Farmland


  • High Quality Transit Areas
  • High Quality Transit Corridors
  • Major Stops
  • Transit Priority Areas
  • Bike lanes

Access to the SPM is restricted to authorized users from local jurisdictions in the SCAG region. People without permissions may go to SCAG GIS & Data Services program to access the needed data.​​​​​