History
Shiromaru Station opened on 1 July 1944, the same day the Ministry of Transport and Communications' Ōme Line was extended from Mitake to Hikawa (now Okutama), in what is today the town of Okutama in western Tokyo at an elevation of about 320 m. It originally handled only passenger traffic. The station was contracted out for operation on 1 June 1965 and became unstaffed on 1 February 1971. It passed to JR East with the privatisation of Japanese National Railways on 1 April 1987, Suica use began on 8 February 2002, the new waiting room with its tensile-membrane roof was placed in service on 14 February 2011 after construction begun the previous November, and on 12 January 2017 ticket sales and IC-card charging at the vending machine were ended. The single-platform station is bracketed at each end by tunnels and a level crossing just outside the gate.
History summarized from Japanese & English Wikipedia · last reviewed 2026-05-18.
Notes
Shiromaru's roughly 74 boarding passengers per day in fiscal 2010 made it the least-used station in Tokyo Metropolis.