Shimo-Yamaguchi Station
Lines. Shimo-Yamaguchi Station is served by the 4.2 km Seibu Sayama Line from to , and is located 1.8 km from the starting point of the Sayama Line at Nishi-Tokorozawa. Some through services operate to and from via the Seibu Ikebukuro Line. Station layout. The station consists of a ground-level island platform serving two tracks, connected to the station building by a footbridge. History. The station opened on 1 May 1929. It closed on 10 October 1954, but reopened on 4 June 1976. Station numbering was introduced on all Seibu Railway lines during fiscal 2012 , with Shimo-Yamaguchi Station becoming "SI40". Passenger statistics. In fiscal 2019, the station was the 72nd busiest on the Seibu network with an average of 8,012 passengers daily. The passenger figures for previous years are as shown below. The passenger figures for the station in previous years are as shown below.