Ueshin, Daisuke (12 October 2017). 東急大井町線、新型車両6020系を来春導入! 急行を7両編成化、3月ダイヤ改正 [New Tokyu Omimachi Line 6020 series trains to be introduced next spring - express services to be lengthened to 7 cars by March timetable revision]. Mynavi News (in Japanese). Japan. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
railf.jp
東急6000系中間車が甲種輸送される [Tokyu 6000 series intermediate cars delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 30 August 2017. Archived from the original on 31 August 2017. Retrieved 30 August 2017.
"東急6000系「Qseat」車が甲種輸送される" [Tokyu 6000 series "Q-Seat" vehicles transported]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 24 April 2019. Archived from the original on 4 January 2022. Retrieved 4 January 2022.
"東急デハ6300形2両が甲種輸送される" [2 Tokyu DeHa 6300 cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 5 September 2019. Archived from the original on 4 January 2022. Retrieved 4 January 2022.
"東急5080系増結用中間車が登場" [Tokyu 5080 series intermediate cars delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 October 2021. Archived from the original on 5 December 2021. Retrieved 21 May 2022.
tokyu.co.jp
3月28日、大井町線の急行運転を開始、田園都市線の混雑緩和を目指します [Oimachi Line express services to commence on 28 March, and aiming to alleviate overcrowding on Denentoshi Line] (PDF). News release (in Japanese). Japan: Tokyu Corporation. 15 February 2008. Archived from the original(PDF) on 22 July 2011. Retrieved 18 August 2017.
web.archive.org
3月28日、大井町線の急行運転を開始、田園都市線の混雑緩和を目指します [Oimachi Line express services to commence on 28 March, and aiming to alleviate overcrowding on Denentoshi Line] (PDF). News release (in Japanese). Japan: Tokyu Corporation. 15 February 2008. Archived from the original(PDF) on 22 July 2011. Retrieved 18 August 2017.
東急6000系中間車が甲種輸送される [Tokyu 6000 series intermediate cars delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 30 August 2017. Archived from the original on 31 August 2017. Retrieved 30 August 2017.
Ueshin, Daisuke (12 October 2017). 東急大井町線、新型車両6020系を来春導入! 急行を7両編成化、3月ダイヤ改正 [New Tokyu Omimachi Line 6020 series trains to be introduced next spring - express services to be lengthened to 7 cars by March timetable revision]. Mynavi News (in Japanese). Japan. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
"東急6000系「Qseat」車が甲種輸送される" [Tokyu 6000 series "Q-Seat" vehicles transported]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 24 April 2019. Archived from the original on 4 January 2022. Retrieved 4 January 2022.
"東急デハ6300形2両が甲種輸送される" [2 Tokyu DeHa 6300 cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 5 September 2019. Archived from the original on 4 January 2022. Retrieved 4 January 2022.
"東急5080系増結用中間車が登場" [Tokyu 5080 series intermediate cars delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 October 2021. Archived from the original on 5 December 2021. Retrieved 21 May 2022.