History
Shin-ochanomizu Station opened on 20 December 1969 with the Teito Rapid Transit Authority Chiyoda Line's first section from Kita-Senju to Ōtemachi, in Kanda-Surugadai 3-chōme, Chiyoda. The deep tunnel between Yushima and the high ground of Surugadai was driven by shield method and the platform built between two parallel shield tubes using the kanzashi-girder eyeglass arrangement, with the 257-metre tunnel restricted to a 220-metre platform. Tokyo Metro inherited the station at the 2004 TRTA privatisation, PASMO acceptance began on 18 March 2007, an elevator from the Hijiribashi-side gate to the platform was completed on 1 August 2014, and platform-edge doors entered service on 6 July 2019.
History summarized from Japanese & English Wikipedia · last reviewed 2026-05-18.
Notes
Four parallel escalators at the Hijiribashi end span 41 m vertically across a 20.4 m rise — when Hitachi installed them in 1997 they were reportedly the longest in Asia; they are needed because the platform sits 24.3 m below the surface, the second-deepest stop on the Chiyoda Line after Kokkai-gijidō-mae.