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The Toei Asakusa Line (都営地下鉄浅草線, Toei Chikatetsu Asakusa-sen^?) is a subway line operated by the Tokyo Metropolitan Bureau of Transportation in Tokyo, Japan. On maps, its color is light coral, and its stations carry the letter A followed by a two-digit number.

The line runs between Nishi Magome Station (A-01) in Ota Ward and Oshiage Station (A-20) in Sumida Ward.

The Asakusa Line was the first subway line in Japan to offer through service with a private railway. Today, it has more through services to other lines than any other subway line in Tokyo. The Keihin Kyuko Electric Railway operates through trains to Misakiguchi Station on the Keikyu Main Line and Haneda Airport Station on the Keikyu Kuko Line. The Keisei Electric Railway operates through trains to Hokuso Tetsudo Hokuso Imba Nihon Idai Station on the Keisei Oshiage Line, Narita Airport Station on the Keisei Main Line, and Shibayama Chiyoda Station on the Shibayama Railway Line.

Contents 1 Route information 2 Development 3 Trains 3.1 Airport Special Rapid Service 4 Stations 5 References

• Length: 18.4 km
• Gauge: 1,435 mm (standard gauge)
• Stations: 20 (including ends)
• Double-track: Entire line
• Electric supply: 1,500 V DC, overhead supply
• Block system: Automatic

The Toei Asakusa Line was the first subway line constructed by the Tokyo Metropolitan Government. Its planning name is Line 1: it was later named after the famous Asakusa district of Tokyo. In its original plan form, the line would have actually bypassed Asakusa Station entirely. However, the plan was changed to take advantage of the existing Tobu Railway and Ginza Line connections at Asakusa.

The initial 3.2 km segment between Oshiage and Asakusa opened on December 4, 1960. The line then opened in stages from north to south, reaching its current operating length on November 15, 1968.

From 1998 to 2002, the Asakusa Line was used as part of a rail connection between Tokyo's two major airports, Haneda and Narita. While a few trains still run between the airports (see below), the service has greatly diminished in frequency since 2002.

In 2005, a research group of government, metropolitan and railway company officials proposed that the Asakusa Line be connected to Tokyo Station via a spur to the north of Takaracho Station. This would provide Tokyo Station's first direct connection to the Toei subway network. It would also make it possible to reach Haneda Airport from Tokyo Station in 25 minutes (versus 35 minutes today) and Narita Airport in 40 minutes (versus 57 minutes today).^[1] This plan has yet to be finalized or formally adopted.

Toei Asakusa Line Through Service

Legend Shibayama-Chiyoda Shibayama Railway Higashi-Narita Keisei Higashi-Narita Line Narita Airport Keisei Main Line Keisei Narita Imba Nihon Idai Hokuso Railway Keisei Takasago Aoto Keisei Oshiage Line Oshiage Nihonbashi Tokyo Station Proposed Shinbashi Sengakuji Shinagawa Gotanda Nishi-Magome Keikyu Kamata Haneda Airport Keikyu Airport Line Yokohama Horinouchi Keikyu Main Line Misakiguchi Keikyu Kurihama Line

Most trains on the Asakusa Line make regular subway service stops at all subway stations on the line. A variety of rolling stock is in use due to the large number of through service operators on the line. Train models currently in use include:

• Subway trains: Toei 5300
  • Past trains: 5000, 5200
• Keisei trains: Keisei 3000 (second model), 3200, 3300, 3400, 3500, 3600, 3700
  • Past trains: 3000 (first model) etc.
• Keihin Kyuko trains: Keikyu 600, 1000 (second model), 1000 (first model), 1500
• Hokuso trains: Hokuso Kaihatsu Railway 7250 (borrowed from Keisei), 7300 (a set borrowed from Keisei)
  • Past trains: 7000, 7050, 7150, (Keisei 3400 series also borrowed)
• Chiba New Town Railway: Toshi Kiban Seibi Kodan 9000, 9100

Although the Airport Special Rapid Service (エアポート快特, eapoto kaitoku^?) was originally planned as an airport-to-airport connection, almost all scheduled trains now serve only Haneda Airport, terminating at either Keisei Takasago, Keisei Sakura or Shibayama Chiyoda on the Keisei end. These trains pass through certain Asakusa Line stations without stopping, and only stop at special rapid service stations on the Keikyu Line and Keisei Line. The table below indicates the stations where the trains stop; no surcharge or special ticket is necessary to use these trains.

The two airports remain directly connected by a single daily train, which only runs on weekends and holidays. This train makes express stops on the Keisei Line, but makes all station stops on the Asakusa Line. The total travel time from airport to airport is 1 hour and 46 minutes.

The service's main competitor is the Tokyo Monorail, which feeds into the JR East network.

Station No.	Station Name	Ward	Airport Limited Express Station Stops	Connections
A-01	Nishi-magome	Ota	Keikyū Main Line Keikyū Airport Line
A-02	Magome	Ota
A-03	Nakanobu	Shinagawa		Tōkyū Ōimachi Line
A-04	Togoshi	Shinagawa
A-05	Gotanda	Shinagawa		Yamanote Line, Tokyu Ikegami Line
A-06	Takanawadai	Minato
A-07	Sengakuji	Minato	●	Keikyū Main Line (Through service)
A-08	Mita	Minato	●	Toei Mita Line, Keihin Tōhoku Line, Yamanote Line (Tamachi Sta.)
A-09	Daimon	Minato	●	Toei Ōedo Line, Keihin Tōhoku Line, Yamanote Line, Tokyo Monorail (Hamamatsuchō Sta.)
A-10	Shimbashi	Minato	●	Tōkaidō Main Line, Yokosuka Line, Keihin Tohoku Line, Yamanote Line, Tokyo Metro Ginza Line, Shin Kotsu Yurikamome
A-11	Higashi-Ginza	Chūō	｜	Tokyo Metro Hibiya Line
A-12	Takarachō	Chūō	｜
A-13	Nihombashi	Chūō	●	Tokyo Metro Ginza Line, Tokyo Metro Tōzai Line
A-14	Ningyōchō	Chūō	｜	Tokyo Metro Hibiya Line
A-15	Higashi-nihombashi	Chūō	●	Sobu Rapid Line (Bakurocho Station), Toei Shinjuku Line (Bakuroyokoyama Sta.)
A-16	Asakusabashi	Taitō	｜	Chūō-Sōbu Line
A-17	Kuramae	Taitō	｜	Toei Oedo Line
A-18	Asakusa	Taitō	●	Tobu Isesaki Line, Tokyo Metro Ginza Line
A-19	Honjo-azumabashi	Sumida	｜
A-20	Oshiage	Sumida	●	Keisei Oshiage Line (Through service) Tokyo Metro Hanzōmon Line, Tobu Isesaki Line

Explanation of marks:

• ●: Train stops at this station
• |: Train does not stop at this station
• No mark: Train bypasses station

1. ^ 都営浅草線東京駅接着等の事業化推進に関する検討 調査結果のとりまとめ, May 2003.

v • d • e Mass transit in the Tokyo area (# of lines indicated in parentheses)
JR lines	■Yamanote • ■Chūō • ■Chūō-Sōbu • ■Jōban • ■Keihin-Tōhoku • ■Keiyō • ■Saikyō •■Shōnan-Shinjuku • ■Sōbu Rapid • ■Tōkaidō • ■Utsunomiya • ■Yokosuka
Tokyo Metro lines	○Chiyoda (C) • ○Fukutoshin (F) • ○Ginza (G) • ○Hibiya (H) • ○Marunouchi (M) • ○Namboku (N) • ○Tōzai (T) • ○Yūrakuchō (Y) • ○Hanzōmon (Z)
Toei lines	Subway: ○Asakusa (A) • ○Ōedo (E) • ○Mita (I) • ○Shinjuku (S) • Guideway: Nippori-Toneri • Streetcar: Arakawa
Major / semi-major lines	Keikyū (5) • Keiō (7) • Keisei (7) • Odakyū (5) • Seibu (13) • Shin-Keisei • Sōtetsu (2) • Tōbu (12) • Tōkyū (8)
Other lines	Tama Monorail • Tokyo Monorail • TWR • TX • Yurikamome
Suburban, JR	■Hachikō • ■Kawagoe • ■Mito • ■Musashino • ■Nambu • ■Narita • ■Negishi • ■Ōme • ■Ryōmō • ■Sagami • ■Sōbu Main • ■Sotobō • ■Takasaki • ■Tōgane • ■Tsurumi • ■Uchibō • ■Yokohama
Suburban, Non-JR	Chiba Monorail • Nagareyama • New Shuttle • Saitama • Seaside Line • Shōnan Monorail • Yokohama MM • Yokohama Subway (2, 3 in 2008)
Terminals	Akihabara • Chiba • Ikebukuro • Kawasaki • Kita-Senju • Ōmiya • Ōtemachi • Shibuya • Shinagawa • Shinjuku • Tokyo • Ueno • Yokohama
Miscellaneous	Shinkansen (commuter) • PASMO • Passnet • Suica • Transportation in Greater Tokyo