Nakai Station

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For the former railway station in Ishikawa Prefecture, see Nakai Station (Ishikawa).
Nakai Station
Seibu station entrance, August 2008
Prefecture Tokyo
(See other stations in Tokyo)
City Tokyo
Ward Shinjuku
Opened 1927
Rail services
Station number(s) SS04 (Seibu)
E-32 (Toei)
Operator(s) Seibu Railway
Toei Subway
Line(s) Seibu Shinjuku Line
Toei Ōedo Line
Statistics 28,264 (Seibu, FY2013), 11,086 (Toei, FY2012 [boarding only]) passengers/day
Bus There is a bus stop near this station

Nakai Station (中井駅 Nakai-eki?) is the name of two railway stations in Shinjuku, Tokyo, Japan, served by the Seibu Shinjuku Line (station number SS04) and the Toei Ōedo Line (station number E-32) respectively. The two stations are separated by approximately two minutes' walk through a shopping street.


Nakai Station is served by the following two lines.

Station layout[edit]


The Seibu station has two side platforms serving two tracks.[1] The station has a third central track used for passing express trains in both directions.[2] Due to ongoing bridge construction on Yamate-dori, which runs above and perpendicular to the station, the only passenger gate is located by the inbound platform; access to the outbound platform is limited to an elevated bridge crossing the tracks.

1  Seibu Shinjuku Line for Kodaira, Tokorozawa, and Hon-Kawagoe
2  Seibu Shinjuku Line for Takadanobaba and Seibu-shinjuku


The Toei station has an island platform with two tracks, located underground parallel to and below both Yamate-dori and the Central Circular Route.

1  Toei Oedo Line for Tochōmae, Roppongi, and Daimon
2  Toei Oedo Line for Nerima and Hikarigaoka

Adjacent stations[edit]

« Service »
Seibu Shinjuku Line
Koedo limited express: no stop
Commuter express: no stop
Express: no stop
Semi express: no stop
Shimo-Ochiai   Local   Araiyakushi-mae
Toei Oedo Line
Higashi-nakano - Ochiai-minami-nagasaki


The Seibu station opened on 16 April 1927.[3] The Toei station opened in 1997.

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Nakai Station becoming "SS04".[4] The station number for the Ōedo Line is E-32.[5]

Passenger statistics[edit]

In fiscal 2013, the station was the 35th busiest on the Seibu network with an average of 28,264 passengers daily.[6] In fiscal 2012, an average of 11,086 people used the Toei station to board a train per day.[7]

The passenger figures for the Seibu station in previous years are as shown below.

Fiscal year Daily average
2009 28,807[8]
2010 28,532[8]
2011 27,662[9]
2012 28,011[6]
2013 28,264[6]


  1. ^ Nakai Station information (Seibu Railway) (Japanese)
  2. ^ Kawashima, Ryozo (March 2011). 日本の鉄道 中部ライン 全線・全駅・全配線 第12巻 東京都心北部 [Railways of Japan - Chubu Line - Lines/Stations/Track plans - Vol 12 Northern Central Tokyo]. Japan: Kodansha. p. 35/59. ISBN 978-4-06-270072-6. 
  3. ^ Terada, Hirokazu (July 2002). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 202. ISBN 4-87366-874-3. 
  4. ^ 西武線全駅で駅ナンバリングを導入します [Station numbering to be introduced at all Seibu stations] (PDF). News Release (in Japanese). Japan: Seibu Railway. 23 February 2012. Retrieved 2 April 2013. 
  5. ^ 各駅情報(中井) [Information of each station (Nakai)] (in Japanese). Japan: Tokyo Metropolitan Bureau of Transportation. Retrieved 16 July 2014. 
  6. ^ a b c 駅別乗降人員 2013(平成25)年度 1日平均 [Average daily station usage figures (fiscal 2013)] (PDF) (in Japanese). Japan: Seibu Railway. Retrieved 16 July 2014. 
  7. ^ 地下鉄関連情報 [Information in relation to the subway] (in Japanese). Tokyo Metropolitan Bureau of Transportation. Retrieved 16 July 2014. 
  8. ^ a b 駅別乗降人員 2010(平成22)年度 1日平均 [Average daily station usage figures (fiscal 2010)] (PDF) (in Japanese). Japan: Seibu Railway. Retrieved 26 January 2013. 
  9. ^ 駅別乗降人員 2011(平成23)年度 1日平均 [Average daily station usage figures (fiscal 2011)] (PDF) (in Japanese). Japan: Seibu Railway. Retrieved 26 January 2013. 

External links[edit]

Coordinates: 35°42′53″N 139°41′12″E / 35.7146°N 139.6867°E / 35.7146; 139.6867