"京急電鉄11/25ダイヤ改正「エアポート急行」名称変更で「急行」に" [Keikyu Electric Railway timetable revised on 25 November with "Airport Express" changing to "Express"]. MyNavi Corportation (in Japanese). 24 October 2023. Archived from the original on 25 October 2023. Retrieved 29 October 2023.
railf.jp
"京急空港線 羽田空港第1・第2ターミナル駅引上線の工事に着手" [Construction of tail tracks has begun at Haneda Airport Terminal 1·2 station on the Keikyu Airport Line]. Japan Railfan Magazine Online (in Japanese). 8 August 2022. Archived from the original on 9 August 2022. Retrieved 10 August 2022.
"京急電鉄11/25ダイヤ改正「エアポート急行」名称変更で「急行」に" [Keikyu Electric Railway timetable revised on 25 November with "Airport Express" changing to "Express"]. MyNavi Corportation (in Japanese). 24 October 2023. Archived from the original on 25 October 2023. Retrieved 29 October 2023.
"京急空港線 羽田空港第1・第2ターミナル駅引上線の工事に着手" [Construction of tail tracks has begun at Haneda Airport Terminal 1·2 station on the Keikyu Airport Line]. Japan Railfan Magazine Online (in Japanese). 8 August 2022. Archived from the original on 9 August 2022. Retrieved 10 August 2022.
