"京成電鉄「成田スカイアクセス」開業にともない7月17日にダイヤ改正を実施" [Timetable Revisions to take place on Keisei Railway on 17 July for Opening of the Narita Airport Line]. Japan Railfan Magazine Online (in Japanese). 28 May 2010. Archived from the original on 3 February 2023. Retrieved 31 January 2024.
"都営浅草線などでダイヤ改正 〜都交5500形がアクセス特急に〜" [Toei Asakusa Line timetable revision]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2022-02-28. Archived from the original on 2022-03-01. Retrieved 2022-03-01.
"京成,11月26日にダイヤ改正を実施" [Keisei implements timetable revision on November 26]. Japan Railfan Magazine Online (in Japanese). 24 October 2022. Archived from the original on 25 October 2022. Retrieved 25 October 2022.
"京成電鉄「成田スカイアクセス」開業にともない7月17日にダイヤ改正を実施" [Timetable Revisions to take place on Keisei Railway on 17 July for Opening of the Narita Airport Line]. Japan Railfan Magazine Online (in Japanese). 28 May 2010. Archived from the original on 3 February 2023. Retrieved 31 January 2024.
"都営浅草線などでダイヤ改正 〜都交5500形がアクセス特急に〜" [Toei Asakusa Line timetable revision]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2022-02-28. Archived from the original on 2022-03-01. Retrieved 2022-03-01.
"京成,11月26日にダイヤ改正を実施" [Keisei implements timetable revision on November 26]. Japan Railfan Magazine Online (in Japanese). 24 October 2022. Archived from the original on 25 October 2022. Retrieved 25 October 2022.