Chest-high platform edge doors were installed on the Yamanote Line platforms (platforms 2 and 3) in September 2014, with operation commencing on 18 October 2014.[2]
Station numbering was introduced in 2016 with Nishi-Nippori being assigned station numbers JY06 for the Yamanote line and JK31 for the Keihin-Tōhoku line.[3][4]
^鶯谷駅に可動式ホーム柵が設置される [Platform edge doors installed at Uguisudani Station]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 September 2014. Retrieved 12 September 2014.
^"⾸都圏エリアへ 「駅ナンバリング」を導⼊します" [Introduce “station numbering” to the Tokyo metropolitan area] (PDF). jreast.co.jp (in Japanese). 6 April 2016. Archived from the original(PDF) on 7 December 2022. Retrieved 7 January 2023.
^Kusamachi, Yoshikazu (7 April 2016). "JA・JK・JT・AKB…JR東日本、首都圏で駅ナンバリングなど導入へ" [JA, JK, JT, AKB … JR East to introduce station numbering in the Tokyo metropolitan area]. Response Automotive Media (in Japanese). Archived from the original on 6 August 2022. Retrieved 7 January 2023.