Ōya Station (Nagano)
Lines. Ōya Station is served by the 65.1 km Shinano Railway Line and is 34.7 kilometers from the starting point of the line at Karuizawa Station. Station layout. The station consists of two ground-level opposed side platforms serving two tracks. History. The station opened on 20 January 1896. The Ueda Maruko Electric Railway also served the station from 1918 to 1969. Passenger statistics. In fiscal 2011, the station was used by an average of 2,320 passengers daily.