The , formally the , is a subway line operated by

Tokyo Metro The is a major rapid transit system in Tokyo, Japan, operated by the Tokyo Metro Co. With an average daily ridership of 6.84 million passengers, the Tokyo Metro is the larger of the two subway operators in the city; the other being the Toe ...

in west-central

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.46 ...

and Wako, Saitama, Japan. The newest line in the Tokyo subway network, it opened in stages between 1994 and 2008. On average, the Fukutoshin line carries 362,654 passengers daily in 2017, the lowest of all Tokyo Metro lines and roughly one third of its sister

Tokyo Metro Yūrakuchō Line The is a subway line in Japan owned and operated by Tokyo Metro. The line connects Wakōshi Station in Wakō, Saitama and Shin-Kiba Station in Kōtō, Tokyo. On maps, diagrams and signboards, the line is shown using the color "gold" (), and ...

(1,124,478).

Overview

The Fukutoshin Line is the deepest metro line in Tokyo, with an average depth of 27 meters. At

Shinjuku-sanchōme Station is a subway station in Shinjuku, Tokyo, Japan, operated jointly by the two Tokyo subway operators, Tokyo Metro and Toei Subway. Lines Shinjuku-sanchōme Station is served by the following three subway lines. * Tokyo Metro Marunouchi Line (sta ...

, the line passes under the

Marunouchi Marunouchi () is a commercial district of Tokyo located in Chiyoda between Tokyo Station and the Imperial Palace. The name, meaning "inside the circle", derives from its location within the palace's outer moat. It is also Tokyo's financial ...

and above the

Shinjuku is a special ward in Tokyo, Japan. It is a major commercial and administrative centre, housing the northern half of the busiest railway station in the world ( Shinjuku Station) and the Tokyo Metropolitan Government Building, the administration ...

lines at a depth of 15 meters, with a gap of only 11 centimeters to the Shinjuku Line tunnel. The deepest section is at the immediately adjacent Higashi-Shinjuku Station, where the line goes down to 35 meters, partly due to an underground space reservation for a possible future extension of the

Jōetsu Shinkansen The is a high-speed shinkansen railway line connecting Tokyo and Niigata, Japan, via the Tōhoku Shinkansen, operated by the East Japan Railway Company (JR East). Despite its name, the line does not pass through the city of Joetsu or the hi ...

to Shinjuku. It is the second Tokyo Metro line to feature express services, after the Tōzai Line; however, unlike the Tozai Line (where rapid services are only offered on the – section), the Fukutoshin Line offers express services throughout the line, a first for Tokyo Metro. Express trains pass local trains at Higashi-Shinjuku, where additional tracks are installed for this purpose. Local trains stop at all stations. When first opened, the line operated through services to Kawagoeshi Station on the

Tobu Tojo Line is a Japanese commuter railway and ''keiretsu'' holding company in the Greater Tokyo Area as well as an intercity and regional operator in the Kantō region. Excluding the Japan Railways Group companies, Tobu's rail system is the second longes ...

and Hannō Station on the

Seibu Ikebukuro Line The is a railway line of the Japanese private railway operator Seibu Railway. It originates at Ikebukuro Station, a large railway junction in north-western Tokyo, extending to northwest suburbs as far as Tokorozawa, Saitama, and nominally t ...

. From 16 March 2013, the

Tōkyū Tōyoko Line The is a major railway line connecting Tokyo (Shibuya) to Yokohama. The line is owned and operated by the private railway operator Tokyu Corporation. The name of the line, ''Tōyoko'' (東横), is a combination of the first characters of ''Tōky ...

moved to share the line's Shibuya terminus, and since then through services have operated onto the

Minatomirai Line The Minatomirai 21 Line (みなとみらい21線 ''Minato-mirai-21-sen''), commonly known as the Minatomirai Line (みなとみらい線 ''Minatomirai-sen''), is a subway line in Yokohama, Japan that runs from Yokohama Station to Motomachi-Chū ...

via the Tōyoko Line, terminating at

Motomachi-Chūkagai Station is an underground railway station on the Minatomirai Line subway in Naka-ku, Yokohama, Kanagawa Prefecture, Japan, operated by the third-sector railway operating company Yokohama Minatomirai Railway Company. It is numbered "MM06", and its offi ...

Yokohama is the second-largest city in Japan by population and the most populous municipality of Japan. It is the capital city and the most populous city in Kanagawa Prefecture, with a 2020 population of 3.8 million. It lies on Tokyo Bay, south of T ...

. This is a rare instance of a Tokyo Metro train operating on four companies' tracks. Since the opening of the section between Ikebukuro and Shibuya station, the Fukutoshin Line operates as a

one-man operation One-person operation (OPO), also known as driver-only operation (DOO), one-man operation (OMO), single person train operation (SPTO), or one-person train operation (OPTO), similarly to Driver Controlled Operation, is operation of a train, bus ...

subway line between Kotake-Mukaihara Station and

Shibuya Station is a railway station in Shibuya, Tokyo, Japan, operated jointly by East Japan Railway Company (JR East), Keio Corporation, Tokyu Corporation, and Tokyo Metro. With 2.4 million passengers on an average weekday in 2004, it is the fourth-busiest ...

where chest-high

platform edge doors Platform screen doors (PSDs), also known as platform edge doors (PEDs), are used at some train, rapid transit and people mover stations to separate the platform from train tracks, as well as on some bus rapid transit, tram and light rail s ...

are installed on the station platforms to aid the drivers. From 28 March 2015, the one-man operation had extended from Kotake-Mukaihara to

Wakōshi station is an interchange passenger railway station located in the city of Wakō, Saitama, Japan, operated by the private railway operator Tōbu Railway and Tokyo subway operator Tokyo Metro. It is the only Tokyo Metro station located in Saitama Prefe ...

, making this as the third Tokyo Metro line to fully operate as one-man operation other than Namboku Line and Maruonuchi Line. Like most Tokyo Metro lines, the first carriage of the Fukutoshin Line is designated a "women-only car" before and during the morning rush hour. During these hours only women, children of

elementary school A primary school (in Ireland, the United Kingdom, Australia, Trinidad and Tobago, Jamaica, and South Africa), junior school (in Australia), elementary school or grade school (in North America and the Philippines) is a school for primary ed ...

age or younger and physically

disabled Disability is the experience of any condition that makes it more difficult for a person to do certain activities or have equitable access within a given society. Disabilities may be cognitive, developmental, intellectual, mental, physical, ...

passengers (and their

carers A caregiver or carer is a paid or unpaid member of a person's social network who helps them with activities of daily living. Since they have no specific professional training, they are often described as informal caregivers. Caregivers most commo ...

) may board the first carriage.

Station list

* Express and commuter express trains stop at stations marked "●" and pass those marked "｜". * Local trains stop at all stations.

Rolling stock

Tokyo Metro

7000 series 7000 series may refer to: Japanese trains * Chichibu Railway 7000 series electric multiple unit (EMU) * Echizen Railway 7000 series EMU * Hankyu 7000 series EMU * Hokushin Kyuko Electric Railway 7000 series EMU operating for the Kobe Municipal Su ...

trains (until April 2022) * 10000 series 10-car (and occasionally 8-car) trains * 17000 series 8-car and 10-car trains (since 21 February 2021) File:Tokyo-Metro-Series7104.jpg, Tokyo Metro 7000 series File:Tokyo-Metro-Series10110.jpg, Tokyo Metro 10000 series File:Tokyo-Metro Series17000-17188.jpg, Tokyo Metro 17000 series

Other operators

* Seibu 6000 series 10-car trains * Seibu 6050 series 10-car trains * Seibu 40000 series 10-car trains (since 25 March 2017) * Seibu 40050 series 10-car trains *

Tobu 9000 series The is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway in Japan since 1981. Operations First entering service in 1981 on the Tobu Tojo Line, this was the first stainless steel EMU ty ...

10-car trains * Tobu 9050 series 10-car trains * Tobu 50070 series 10-car trains * Tokyu 5000 series 8-car trains * Tokyu 5050 series 8-car trains * Tokyu 5050-4000 series 10-car trains (since 10 September 2012) * Yokohama Minatomirai Railway Y500 series 8-car trains (a Tokyu 5000 series variant) File:Seibu-Series6000-6055F.jpg, Seibu 6000 series File:Seibu 40101 S-Train 20170422.jpg, Seibu 40000 series File:Tobu-Series9103.jpg, Tobu 9000 series File:Tobu-51076 Toyoko-Line.jpg, Tobu 50070 series File:Tokyu-Series5878.jpg, Tokyu 5050 series File:Toukyu 5050kei 4000 Shibuya Hikarie.JPG, Tokyu 5050-4000 series File:Yokohama-Series-Y501.jpg, Yokohama Minatomirai Railway Y500 series

History

Construction of Kita-Sando Station at April 6th 2006

''Fukutoshin'' is Japanese for "secondary city center", and the Fukutoshin Line connects three of Tokyo's secondary city centers:

Ikebukuro is a commercial and entertainment district in Toshima, Tokyo, Japan. Toshima ward offices, Ikebukuro station, and several shops, restaurants, and enormous department stores are located within city limits. It is considered the second larges ...

and

Shibuya Shibuya (渋谷区 ''Shibuya-ku'') is a special ward in Tokyo, Japan. As a major commercial and finance center, it houses two of the busiest railway stations in the world, Shinjuku Station (southern half) and Shibuya Station. As of April 1 ...

. Prior to its opening, only

JR East The is a major passenger railway company in Japan and is the largest of the seven Japan Railways Group companies. The company name is officially abbreviated as JR-EAST or JR East in English, and as in Japanese. The company's headquarters ar ...

had rail service between the three (on the

Yamanote Line The Yamanote Line ( ja, 山手線, Yamanote-sen) is a loop service in Tokyo, Japan, operated by the East Japan Railway Company (JR East). It is one of Tokyo's busiest and most important lines, connecting most of Tokyo's major stations and urban c ...

, the

Saikyō Line The Saikyō Line ( ja, 埼京線, ) is a Japanese railway line operated by the East Japan Railway Company (JR East). It connects Ōsaki Station in Shinagawa, Tokyo, and Ōmiya Station in Saitama Prefecture. The line's name is an abbreviation o ...

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, the southwest and the central part of Tokyo served by the Yamanote Line. The line was initially planned in 1972 as a run from Shiki to Shinjuku, with the possibility of further extension to Shibuya, and

Haneda Airport , officially , and sometimes called as Tokyo Haneda Airport or Haneda International Airport , is one of two international airports serving the Greater Tokyo Area, the other one being Narita International Airport (NRT). It serves as the primary ...

. 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

and the beginning of through service from the Yurakucho Line. The original plan for the Fukutoshin Line only contained fifteen stations, however in May 1999 a plan for an additional station "Shin-Sendagaya" (later renamed ) between and was included due to an increase in demand from the area. A 3.2 km segment from Kotake-Mukaihara to

, running parallel to the Yurakucho Line on separate tracks began operation in 1994. This segment was initially known as the , and was operated with no intermediate stops. The newest segment connecting the districts of

and

via , , and (‘Harajuku’) opened for service on 14 June 2008, officially completing the Fukutoshin Line. Service to the and stations, which had been bypassed by the Yūrakuchō New Line, also started on the same day. Technical problems resulted in delays of up to 30 minutes during the Fukutoshin Line's first few days of operation. On 6 March 2010, express services began stopping at on weekends and holidays.3月6日（土）有楽町線・副都心線のダイヤ改正
3 February 2010. Accessed 8 March 2010. From 10 September 2012, 10-car 5050-4000 series sets entered revenue service on the Tokyo Metro Fukutoshin Line, with inter-running through to the

(via

Seibu Yurakucho Line Seibu may refer to: *Seibu Holdings or a subsidiary thereof **Saitama Seibu Lions **Seibu Railway *Sogo & Seibu **Seibu Department Stores is a Japanese department store. The first store to trade under the name opened its doors in 1949. Seibu is t ...

) and

References

*'' Japan Railfan Magazine'' July 2008 issue
平成20年6月14日（土）副都心線開業

External links

(Tokyo Metro) {{DEFAULTSORT:Tokyo Metro Fukutoshin Line Lines of Tokyo Metro Railway lines in Tokyo Rail transport in Saitama Prefecture 1067 mm gauge railways in Japan Railway lines opened in 1994 1994 establishments in Japan