History
Higashi-shinjuku Station opened on 12 December 2000 as a Toei Ōedo Line stop in Shinjuku 7-chōme; under the planned name Nishi-Ōkubo, the design by Manabe Architects was selected by competition and themed around natural light entering the cutting. PASMO acceptance began on 18 March 2007. A second set of platforms for the Tokyo Metro Fukutoshin Line opened on 14 June 2008, stacked on basements five and six to fit beneath Meiji-dōri. On 27 April 2012 the directly connected Shinjuku Eastside Square office tower opened, and on 30 May 2015 the Fukutoshin platforms were widened from one to two faces by removing the screens that had hidden the express through-tracks.
History summarized from Japanese & English Wikipedia · last reviewed 2026-05-22.
Notes
When the Fukutoshin Line platforms opened in 2008, the through-tracks for express trains were hidden behind screens, with all stopping services using the inner pair; only in May 2015 were the screens removed and the outer track-faces converted into proper platforms.