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Nishiarai Station (西新井駅, Nishiarai-eki) is a railway station in Adachi, Tokyo, Japan. It is operated by private railway operator Tobu Railway.

Lines

The station is served by the Tobu Skytree Line and Tobu Daishi Line.

The station consists of three island platforms serving six tracks.

1/2	TS Tobu Daishi Line	for Daishimae
3	TS Tobu Skytree Line	for Kasukabe and Tōbu-Dōbutsu-Kōen Tobu Isesaki Line for Kuki, Tatebayashi and Ōta Tōbu Nikkō Line for Minami-Kurihashi
4	TS Tobu Skytree Line	for Kita-Koshigaya, Kasukabe, and Tōbu-Dōbutsu-Kōen Tobu Nikko Line for Minami-Kurihashi
5	TS Tobu Skytree Line	for Kita-Senju, Hikifune, and Asakusa Tokyo Metro Hibiya Line for Ueno and Naka-meguro
6	TS Tobu Skytree Line	for Kita-Senju, Hikifune, and Asakusa Tokyo Metro Hanzomon Line for Shibuya Tokyu Den-en-toshi Line for Chūō-rinkan

The station opened on 27 August 1899.^[2]

From 17 March 2012, station numbering was introduced on all Tobu lines, with Nishiarai Station becoming "TS-13".^[3]

^ Nishiarai Station information. Retrieved on 19 September 2008. (in Japanese)
^ Terada, Hirokazu (19 January 2013). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 222. ISBN 978-4-7770-1336-4.
^ 「東武スカイツリーライン」誕生！あわせて駅ナンバリングを導入し、よりわかりやすくご案内します [Tobu Sky Tree Line created! Station numbering to be introduced at same time] (PDF). Tobu News (in Japanese). Tobu Railway. 9 February 2012. Archived from the original (pdf) on 8 August 2012. Retrieved 27 May 2012.