There is a new data model TransportStation. The data model is a general description of urban stations (Metro, Bus, Tram, Heliport, …) according to the GFTS standard https://developers.google.com/transit/gtfs/reference/#stopstxt, as well the detailed description of these (means of access, platform, assistance, etc).
Located in the dataModel.Transportation
Slack channel
Validate a payload with a data model