"京急蒲田駅にホームドアを設置します". Keikyu.co.jp (in Japanese). February 25, 2019. Retrieved June 4, 2020.
"京急線全駅にて駅ナンバリングを開始します" [Station numbering will be introduced to all stations on the Keikyu Line]. KEIKYU WEB. 25 June 2010. Archived from the original on 21 February 2014. Retrieved 27 February 2023.
nhk.or.jp
www3.nhk.or.jp
"蒲田駅と京急蒲田駅を結ぶ鉄道の事業化に前進 東京 大田区|NHK 首都圏のニュース" [Advance to commercialization of railway connecting Kamata Station and Keikyu Kamata Station Ota-ku, Tokyo]. NHK Web (in Japanese). 6 June 2022. Retrieved 6 June 2022.
"京急線全駅にて駅ナンバリングを開始します" [Station numbering will be introduced to all stations on the Keikyu Line]. KEIKYU WEB. 25 June 2010. Archived from the original on 21 February 2014. Retrieved 27 February 2023.