This is not OSM-ATLAS matching. This is GTFS stop_id (from opentransportdata.swiss) to SLOID matching. We use it to identify which GTFS routes use each SLOID. Check docs/intro for more.
Legend
- Blue: ATLAS stops with a corresponding OpenTransportData GTFS stop_id.
- Yellow: OpenTransportData GTFS stop_ids with a corresponding ATLAS SLOID.
- Red: ATLAS stops without a corresponding GTFS stop_id.
- Gray: GTFS stop_ids without a corresponding ATLAS SLOID.