© OpenStreetMap contributors. https://www.openstreetmap.org/copyright
OSM data licensed under ODbL 1.0: https://opendatacommons.org/licenses/odbl/1-0/
Protomaps basemap is distributed as an OSM-derived Produced Work; third-party
support inputs may include Natural Earth. Metro overlay is OSM-derived data.
Publication/source-offer legal review remains OPEN. No official transit endorsement.
