History
Sashiōgi Station opened on 22 July 1940 in what was then the village of Sashiōgi in Kita-Adachi District, Saitama. Freight handling ended on 1 February 1961 and parcel handling on 1 February 1984. The Kawagoe Line was electrified and through-running with the Saikyō Line began on 30 September 1985. JR East absorbed the stop at privatisation on 1 April 1987; automatic fare gates entered service on 12 March 1996 and Suica followed on 18 November 2001. The Midori no Madoguchi closed on 31 October 2007. Work to convert the south-side ground building into a north-south overhead station completed on 9 March 2014, with the new north plaza opening on 15 May 2015.
History summarized from Japanese & English Wikipedia · last reviewed 2026-05-18.
Notes
Boarding numbers dipped after 2009, the year the new station at nearby Nishi-Ōmiya opened only 1.4 km away and drew off many of Sashiōgi's commuters.