"京成線各駅で「駅ナンバリング」を導入いたします" ["Station numbering" will be introduced to each station on the Keisei Line] (PDF). keisei.co.jp (in Japanese). Archived from the original(PDF) on 28 September 2022. Retrieved 25 February 2023.
2019年度 駅別1日平均乗降人) [Station passenger figures (Fiscal 2019)] (in Japanese). Japan: Keisei Railway. 2020. Retrieved 11 August 2020.
railf.jp
"京成,海神駅のこ線橋リニューアル工事が完了" [Overhead walkway renewal completed at Keisei Kaijin Station]. Japan Railfan Magazine Online (in Japanese). 4 April 2023. Retrieved 6 April 2023.
tetsudo.com
"京成と京急が駅ナンバリングを導入" [Keisei and Keikyu to introduce station numbering]. Tetsudo News (in Japanese). 6 June 2010. Archived from the original on 26 February 2023. Retrieved 26 February 2023.
web.archive.org
"京成線各駅で「駅ナンバリング」を導入いたします" ["Station numbering" will be introduced to each station on the Keisei Line] (PDF). keisei.co.jp (in Japanese). Archived from the original(PDF) on 28 September 2022. Retrieved 25 February 2023.
"京成と京急が駅ナンバリングを導入" [Keisei and Keikyu to introduce station numbering]. Tetsudo News (in Japanese). 6 June 2010. Archived from the original on 26 February 2023. Retrieved 26 February 2023.