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This article or section contains information about a planned or expected public transportation infrastructure. It may contain information of a speculative nature and the content may change dramatically as the construction and/or completion of the infrastructure approaches, and more information becomes available.

The Tokyo Metro Fukutoshin Line (東京地下鉄副都心線, Tōkyō Chikatetsu Fukutoshin-sen^?), formerly known as Tokyo Metro Line 13 (東京地下鉄13号線, Tōkyō Chikatetsu Jūsangō-sen^?), is a Tokyo Metro subway line currently under construction in Tokyo, Japan. A 3.2 km segment from Kotake-Mukaihara to Ikebukuro, running parallel to the Yūrakuchō Line on separate tracks and known as the Yūrakuchō New Line (有楽町新線, Yūrakuchō Shin-sen^?), is already in operation.

The section presently under construction will connect to Shinjuku and Shibuya via Zoshigaya, Sendagaya and Meiji Shrine, with service scheduled to start in June 2008. Through services to Kawagoe-shi station on the Tōbu Tōjō Main Line, and Hannō station on the Seibu Ikebukuro Line will be offered. Starting in 2012, the Tōkyū Tōyoko Line will move to share the line's Shibuya terminus and offer through services on the Minatomirai Line to Motomachi-Chūkagai Station in Yokohama.

Contents 1 Development 2 Stations 2.1 Operational (as Yūrakuchō New Line) 2.2 Under Construction 3 Rolling stock 3.1 Tokyo Metro 3.2 Trains owned by other operating companies 4 References

Fukutoshin is Japanese for "secondary city center," and the Fukutoshin Line connects three of Tokyo's secondary city centers: Ikebukuro, Shinjuku and Shibuya. Presently, only JR East has rail service between the three (on the Yamanote Line, the Saikyō Line and the Shōnan-Shinjuku Line). The new line was conceived to relieve congestion along this busy corridor, and to provide convenient through service between the northwest of Tokyo, the southwest of Tokyo and the city center.

The line was initially planned in 1972 as a run from Shiki, Saitama to Shinjuku, with the possibility of further extension to Shibuya, Shinagawa and Haneda Airport. In 1985, a second Ministry of Transportation committee proposed that the line terminate at Shibuya. Part of the northern end of the original plan line became unnecessary following improvements to the Tōbu Tōjō Main Line and the beginning of through service from the Yūrakuchō Line.

Station	Ward/City	Transfers
Wakōshi	Wakō, Saitama	Tokyo Metro Yūrakuchō Line
Chikatetsu-Narimasu	Itabashi, Tokyo	Tokyo Metro Yūrakuchō Line
Chikatetsu-Akatsuka	Nerima, Tokyo	Tokyo Metro Yūrakuchō Line
Heiwadai	Nerima, Tokyo	Tokyo Metro Yūrakuchō Line
Hikawadai	Nerima, Tokyo	Tokyo Metro Yūrakuchō Line
Kotake-Mukaihara	Nerima, Tokyo	Tokyo Metro Yūrakuchō Line (through service), Seibu Ikebukuro Line (through service)
Senkawa	Toshima, Tokyo	Tokyo Metro Yūrakuchō Line
Kanamechō	Toshima, Tokyo	Tokyo Metro Yūrakuchō Line
Shinsen Ikebukuro	Toshima, Tokyo	Yamanote Line, Saikyō Line, Shōnan-Shinjuku Line, Takasaki Line, Utsunomiya Line, Tokyo Metro Marunouchi Line, Tokyo Metro Yūrakuchō Line, Tōbu Tōjō Main Line, Seibu Ikebukuro Line

The final station names ^[1] are:

Station	Ward/City	Transfers
Zōshigaya	Toshima, Tokyo	Toden Arakawa Line (Kishibojinmae Station)
Nishi-Waseda	Shinjuku, Tokyo
Higashi-Shinjuku	Shinjuku, Tokyo	Toei Ōedo Line
Shinjuku-sanchōme	Shinjuku, Tokyo	Tokyo Metro Marunouchi Line, Toei Shinjuku Line
Kitasandō	Shibuya, Tokyo
Meiji-Jingūmae	Shibuya, Tokyo	Tokyo Metro Chiyoda Line, Yamanote Line (Harajuku Station)
Shibuya	Shibuya, Tokyo	Tōkyū Tōyoko Line (through service starting 2012), Yamanote Line, Saikyō Line, Shōnan Shinjuku Line, Tokyo Metro Ginza Line, Tokyo Metro Hanzōmon Line, Tōkyū Den-en-toshi Line, Keiō Inokashira Line

• 7000 series 8-car and 10-car trains
• 10000 series 10-car trains

• Seibu 6000 and 6050 series 10-car trains
• Tōbu 9000 series 10-car trains
• Tōbu 9050 series 10-car trains
• Tōbu 50070 series 10-car trains

7000 series

50070 series

9000 series

6000 series

1. ^ 東京メトロ13号線の路線名称が『副都心線』に決定. Retrieved on 2007-01-24.

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