東京都交通局ホーム - 経営情報 - 交通局の概要 - 都営地下鉄 [Tokyo Metropolitan Bureau of Transportation Home - Management Information - Overview of the Department of Transportation - Toei Subway] (in Japanese). 東京都交通局 [Tokyo Metropolitan Bureau of Transportation]. 1 April 2015. Retrieved 17 January 2016.
"東京都交通局,交通局について,都営地下鉄" [History of the Transportation Bureau]. kotsu.metro.tokyo.jp (in Japanese). Retrieved 12 July 2024.
"都営三田線の新型車両6500形、車内もシンプルな造形に - 写真68枚" [New, simplistic 6500 series of the Toei Mita Line]. Mynavi News (in Japanese). 17 February 2022. Retrieved 25 March 2022.
Kinoshita, Kenji (2 September 2021). "相鉄21000系「東急線内は目黒線直通用」9月デビュー! グッズも発売" [Sotetsu 21000 series to debut in September!]. Mynavi News (in Japanese). Retrieved 25 March 2022.
railf.jp
"東京都交通局6500形が営業運転を開始" [Tokyo Metropolitan Bureau of Transportation 6500 series begins commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 15 May 2022. Retrieved 24 May 2022.
"東急目黒線・東京メトロ南北線・埼玉高速鉄道,4月上旬から順次8両編成での運転を開始" [Tokyu Meguro Line, Tokyo Metro Namboku Line, Saitama Kosoku Railway, starting operation with 8-car train from early April]. Japan Railfan Magazine Online. 27 January 2022. Retrieved 20 March 2023.
"相模鉄道,3月18日にダイヤ改正を実施" [Sagami Railway implements timetable revision on March 18]. Japan Railfan Magazine Online (in Japanese). Archived from the original on 17 December 2022. Retrieved 20 March 2023.
"相模鉄道,3月18日にダイヤ改正を実施" [Sagami Railway implements timetable revision on March 18]. Japan Railfan Magazine Online (in Japanese). Archived from the original on 17 December 2022. Retrieved 20 March 2023.