JR常磐線、広野—竜田で試運転を開始 [Test-running starts on JR Joban Line between Hirono and Tatsuta]. Asahi Shimbun Digital (in Japanese). Japan: The Asahi Shimbun Company. 11 May 2014. Retrieved 12 May 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.
"JR東日本で初めてとなる自動列車運転装置(ATO)の使用開始について" [About the start of the first use of Automatic Train Operation (ATO) in JR East] (PDF) (Press release) (in Japanese). East Japan Railway Company. 16 February 2021. Retrieved 16 February 2021.
JR East press release: "Archived copy"(PDF). Archived from the original(PDF) on 30 January 2012. Retrieved 14 March 2016.{{cite web}}: CS1 maint: archived copy as title (link)
203系が営業運転から離脱 [203 series withdrawn from revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 28 September 2011. Retrieved 28 September 2011.
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.
"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.
JR East press release: "Archived copy"(PDF). Archived from the original(PDF) on 30 January 2012. Retrieved 14 March 2016.{{cite web}}: CS1 maint: archived copy as title (link)