Ryūmai Station
Lines. Ryūmai Station is served by the Ōta Branch of the Tōbu Koizumi Line, and is located 5.7 kilometers from the terminus of the line at . Station layout. The station consists of a single island platform connected to the station building by a footbridge. History. Ryūmai Station opened on May 10, 1942. A new station building was completed in 2008. From March 17, 2012, station numbering was introduced on all Tōbu lines, with Ryūmai Station becoming "TI-47". Passenger statistics. In fiscal 2019, the station was used by an average of 611 passengers daily (boarding passengers only). Ryūmai Station