Public transit stops in San Diego County serviced by the San Diego County Metropolitan Transit System (MTS) and the North County Transit District (NCTD). Bus, commuter and light rail, and trolley stops developed from the General Transit Feed Specification (GTFS) data available from the transitland/transitfeeds feed registries (and formerly the GTFS Data Exchange).

Stops are developed from the GTFS data available through the transitland feed registry (https://transit.land/feed-registry/) or transitfeed (http://transitfeeds.com) depending on which is most current, and formerly from the GTFS Data Exchange (http://www.gtfs-data-exchange.com/). GTFS data is provided to the exchange by the transit agencies and processed by SanGIS to create a consolidated GIS layer containing stops for both MTS and NCTD systems. SanGIS uses built-in ArcGIS tools to develop the stops from the STOPS.txt data file.

Stops layers for MTS and NCTD are created separately and combined into a single layer using ArcGIS tools.