Corporate Information
Service Information
This section provides information about actual or expected delays of 15 minutes or more for train services.
Corporate Information
Service Information
This section provides information about actual or expected delays of 15 minutes or more for train services.
| 1920 | Aug. 29 | Establishment of the Tokyo Underground Railway Company |
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| 1925 | Sep. 27 | Start of construction on the section between Asakusa and Ueno by the Tokyo Underground Railway Company |
| 1927 | Dec. 30 | Tokyo Underground Railway Company - opening of the first subway section between Asakusa and Ueno |
| 1939 | Sep. 16 | Start of reciprocal through-service between Asakusa on the Tokyo Underground Railway Company Line and Shibuya on the Tokyo Rapid Railway Company |
| 1941 | Jul. 4 | Establishment of the Teito Rapid Transit Authority (TRTA) |
| 1951 | Apr. 20 | Construction of the Marunouchi Line section between Ikebukuro and Shinjuku begins |
| 1954 | Jan. 20 | Opening of the Ikebukuro to Ochanomizu section of the Marunouchi Line |
| 1959 | Mar. 15 | Opening of the Kasumigaseki to Shinjuku section of the Marunouchi Line (Completed the Ikebukuro to Shinjuku section of the Marunouchi Line) |
| 1960 | Mar. 1 | Establishment of the new TRTA logo ( ) |
| 1961 | Mar. 28 | Opening of the Minami-senju to Naka-okachimachi section of the Hibiya Line |
| 1962 | Mar. 23 | Opening of the Nakano-fujimicho to Honancho section of the Ogikubo Line (Completed the Shinjuku to Ogikubo section of the Ogikubo Line) |
| May. 31 | Opening of the Kita-senju to Minami-senju section and the Naka-okachimachi to Ningyocho section of the Hibiya Line Start of reciprocal through-service with the Tobu Isesaki Line (to Kita-koshigaya) | |
| 1964 | Aug. 29 | Opening of the Higashi-ginza to Kasumigaseki section of the Hibiya Line (Completed the Kita-senju to Naka-meguro section of the Hibiya Line) Start of reciprocal through-service with the Tokyu Toyoko Line (to Hiyoshi) Nishi-ginza Station on the Marunouchi Line was renamed Ginza Station |
| Dec. 23 | Opening of the Takadanobaba to Kudanshita section of the Tozai Line | |
| 1966 | Oct. 1 | Start of reciprocal through-service with the Tozai Line and the Chuo Line (to Ogikubo) |
| 1969 | Mar. 29 | Opening of the Toyocho and Nishi-funabashi section of the Tozai Line (Completed the Nakano to Nishi-funabashi section of the Tozai Line) |
| Apr. 8 | Start of reciprocal through-service between Mitaka on the Chuo Line and Tsudanuma on the Sobu Line via the Tozai Line | |
| Dec. 20 | Opening of the Kita-senju to Otemachi section of the Chiyoda Line TRTA's operating kilometerage exceeds 100km |
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| 1971 | Apr. 20 | Opening of the Ayase to Kita-senju section of the Chiyoda Line Start of reciprocal through-service with the Joban Line (to Abiko) |
| 1974 | Oct. 30 | Opening of the Ikebukuro to Ginza-itchome section of the Yurakucho Line |
| 1978 | Feb. 28 | A tornado blows a Tozai Line train traveling on a bridge over the Arakawa and Nakagawa Rivers off the tracks (two carriages are overturned and one carriage is derailed) |
| Mar. 31 | Opening of the Yoyogi-koen to Yoyogi-uehara section of the Chiyoda Line (Completed the Ayase to Yoyogi-uehara section of the Chiyoda Line) Start of reciprocal through-service with the Odakyu Odawara Line (to Hon-atsugi) Opening of the Shibuya to Aoyama-itchome section of the Hanzomon Line |
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| Aug. 1 | Start of reciprocal through-service with the Tokyu Shin-tamagawa Line (to Futako-tamagawaen) | |
| 1979 | Dec. 20 | Opening of the Ayase to Kita-ayase section of the Chiyoda Line |
| 1986 | Jul. 12 | Opening of the Subway Museum |
| 1987 | Aug. 25 | Opening of the Wakoshi to Eidan-narimasu section of the Yurakucho Line Start of reciprocal through-service with the Tobu Tojo Line (to Kawagoe-shi) |
| 1988 | Jan. 1 | Prohibition of smoking on all station premises |
| Jun. 8 | Yurakucho Line between Shintomicho and Shin-kiba starts operations (completing the Yurakucho Line between Wakoshi and Shin-kiba Stations) | |
| Nov. 22 | Station shop "METROPIA No.1" opened at Ueno Station | |
| 1991 | Nov. 29 | Opening of the Komagome to Akabane-iwabuchi section of the Namboku Line |
| 1995 | Mar. 20 | "Subway Sarin Gas Attack" on the Marunouchi, Hibiya and Chiyoda Lines |
| 1996 | Apr. 27 | Start of reciprocal through-service with the Toyo Kosoku Line (to Toyo-katsutadai) |
| 1998 | Mar. 26 | Start of reciprocal through-service with the Yurakucho Line and the Seibu Ikebukuro Line (to Hanno) |
| 1999 | Jan. 25 | Licence recieved to construct Line No.13 between Ikebukuro and Shibuya (8.9km) |
| 2000 | Mar. 8 | Train derailment and collision occurred at Naka-meguro Station on the Hibiya Line |
| Sep. 26 | Opening of the Meguro to Tameike-sanno section of the Namboku Line (Completed the Meguro to Akabane-iwabuchi section of the Namboku Line) Start of reciprocal through-service with the Tokyu Meguro Line (to Musashi-kosugi) |
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| Oct. 14 | Introduction of "PASSNET" (the common pre-paid card system) | |
| 2001 | Mar. 28 | Start of reciprocal through-service with the Namboku Line and the Saitama Railway Line (to Urawa-misono) |
| 2002 | Mar. 23 | Began one-person operation between Kita-ayase and Ayase on the Chiyoda Line |
| Dec. 18 | The special company law was promulgated and enforced (Law 188) | |
| 2003 | Mar. 19 | Opening of the Suitengumae to Oshiage section of the Hanzomon Line (Completed the Shibuya to Oshiage section of the Hanzomon Line) Start of reciprocal through-service with the Tobu Nikko Lines (to Minami-kurihashi) |
| 2004 | Apr. 1 | Birth of Tokyo Metro Co., Ltd. Establishment of the Customer Relations Center Service Managers assigned to the Ginza, Ueno, and Nihombashi Stations |
| Oct. 20 | Tokyo Metro begins providing wireless LAN service at its stations | |
| 2005 | Dec. 2 | Opening of "Echika OMOTESANDO" at Omote-sando Station |
| 2007 | Feb. 3 | Service commences on our new credit card, the Tokyo Metro To Me CARD |
| Mar. 18 | PASMO, a rechargeable stored value IC card, is launched and interoperability with Suica made possible | |
| May. 8 | Tokyo Metro is awarded an official "mark of approval" as a family friendly employer | |
| 2008 | Mar. 15 | Romance Car MSE express service is extended directly onto the Chiyoda Line |
| Jun. 14 | Opening of Fukutoshin Line (Wakoshi-Shibuya) | |
| Oct. 14 | The civil engineering structures of the Ginza Line (Asakusa Station to Shimbashi Station section) are certified as "Outstanding Civil Engineering Heritage" | |
| 2009 | Feb. 6 | The Ginza Line is certified as an "Industrial Modernization Heritage" site |
| Mar. 26 | Opening of "Echika IKEBUKURO" at Ikebukuro Station | |
| Oct. 1 | Tokyo Metro commences the broadcast of advertisements using its  Station Vision digital signage on the platforms of six major stations on the Marunouchi Line |
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| Nov. 27 | Opening of the new "Esola IKEBUKURO" commercial building in Ikebukuro Nishiguchi (West Exit) | |
| 2011 | May. 24 | The Chiyoda Line Series 16000 car is awarded the Laurel Prize |
| May.30 | The Tokyo Metro official smart phone app "Tokyo Metro App" is released | |
| 2012 | Mar. 1 | Service commences on our new credit card, the ANA To Me CARD PASMO (Sorachika Card) |
| 2013 | Feb. 25 | Tokyo Metro, in partnership with Japan International Consultants for Transportation Co., wins a project to assist with strengthening the regulatory regime and organizing operations management on the urban railway in Hanoi, Vietnam |
| Mar. 5 | Tokyo Metro starts providing service updates through its official X (formerly Twitter) account | |
| Mar. 16 | Start of reciprocal through-service between the Fukutoshin Line and the Tokyu Toyoko and Yokohama Express Minato Mirai Lines (to MotomachiChukagai Station) Transferring at Kudanshita Station is streamlined Two additional stations (Iwamotocho and Akihabara) are designated as transfer point Ticket gate access is provided to users of other lines at Kasuga, Korakuen, and Ichigaya Stations |
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| Mar. 21 | Cell phones can now be used on all Tokyo Metro lines (with service to become available between Kotake-mukaihara and Senkawa Stations on the Yurakucho and Fukutoshin Lines some time in FY 2016) | |
| Mar. 23 | PASMO, the rechargeable stored value IC card becomes usable throughout Japan | |
| Apr. 15 | Tokyo Metro commences the broadcast of advertisements using its Metro Concourse Vision digital signage in stations | |
| May. 28 | The Ginza Line's series 1000 train wins the Blue Ribbon Award | |
| 2014 | Feb. 18 | Tokyo Metro signs a Memorandum of Understanding on Friendship and Cooperation with Hanoi Metropolitan Railway Management Board, Vietnam |
| Nov. 27 | Tokyo Metro opens a "plant factory" underneath a elevated rails on the Tozai Line | |
| Dec. 1 | Tokyo Metro launches a Wi-Fi service for overseas visitors at 143 Tokyo subway stations | |
| 2015 | Aug.4 | Opening of LAWSON METRO'S, a new type of "ekinaka" (inside the station) convenience store at Akihabara |
| 2016 | Mar.26 | Tokyo Subway 1-Day Ticket is changed to Tokyo Subway 24-Hour Ticket |
| Apr.1 | Establishment of the Comprehensive Learning and Training Center | |
| Jun. 7 | Tokyo Metro becomes an official partner of the Olympic and Paralympic Games Tokyo 2020 in the category of Passenger Rail Transportation Services | |
| 2017 | Jun. 29 | Announcement of plan to equip all stations on all lines with platform doors |
| Sep.15 | The No. 1001 car, Japan's first-ever subway car, is designated by the government as an Important Cultural Property | |
| 2018 | Mar. 17 | Additional stations for changing trains: Ningyocho Station, Suitengumae Station, Tsukiji Sation, Shintomicho Station |
| 2019 | Mar. 4 | Opening of "room EXPLACE Monzen-nakacho", rental office space combined with a day-care facility (Another one opened in Toyocho on Mar. 11) |
| Apr. 11 | Opening of an outdoor fitness club "greener" | |
| 2020 | Jan. 3 | Opening of new, relocated station building for Shibuya Station, Ginza Line |
| Jun. 6 | The Hibiya Line Toranomon Hills Station opened | |
| 2021 | Jun.28 | Opening of Japan's first E-sports training gym |
| 2022 | Mar.28 | Obtained railway business licenses for the extensions to the Yurakucho Line (from Toyosu to Sumiyoshi) and Namboku Line (from Shinagawa to Shirokanetakanawa) |
| Sep.26 | Started distributing real-time congestion status for each car on all lines through "Tokyo Metro my! app" | |
| 2023 | Mar.18 | Through-service operations via the Sotetsu Shin-Yokohama Line and Tokyu Shin-Yokohama Line began connecting the Namboku Line and Sotetsu Line to Ebina, as well as the Fukutoshin Line and Sotetsu Izumino Line to Shonandai Started collection of "barrier-free train station fees" |
| 2024 | March.12 | Tokyo Metro signs an agreement on comprehensive partnership with Taito Ward |
| Apr.1 | Establishment of Tokyo Metro Asset Management Co., Ltd. | |
| Apr.15 | Membership point integration of Metro Point Club and To Me CARD |
