Kawawachō StationKawawachō Station is a metro station located in Tsuzuki Ward, Yokohama, Kanagawa Prefecture, Japan. It is served by the Yokohama Municipal Subway’s Green Line and is 1.7 kilometers from the terminus of the Green Line at.LinesYokohama Municipal Subway*Green LineStation layoutKawawachō Station is an elevated station with a single island platform serving four elevated tracks. The station building is located underneath the tracks and platform. The platforms are numbered Platform 3 and Platform 4. There is no Platform 1 or Platform 2, and these tracks are used as a rail yard to remove train carriages from the main rail lines of the Green Line.HistoryKawawachō Station opened on 30 March 2008 when the Green Line started operation.