Maps and GIS
SANDAG employs sophisticated geographic information systems, a marriage of maps and computers, to help planners and decision-makers visualize real-world phenomena.
GIS Data Downloads
SANDAG and SanGIS have teamed up to provide a single source of authoritative publicly available GIS data. The downloadable data includes 270 layers from 29 different categories.
Explore our free interactive mapping applications.
Web Mapping Services
Our web mapping services help users view, navigate, and customize their maps.
GIS Animations & Visualizations
SANDAG has pioneered a series of animations and visualizations showing changes over time and space that make complex information easier to understand.