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Location
	Irumashi Station Location within Saitama Prefecture

SI23
Irumashi Station

入間市駅
SI23; Irumashi Station; 入間市駅
	Irumashi Station south exit in July 2019
General information
Location	2-1 Kawaramachi, Iruma-shi, Saitama-ken 358-0008; Japan
Coordinates	35°50′35″N 139°23′25″E / 35.8431°N 139.3902°E
Operated by	Seibu Railway
Line(s)	Seibu Ikebukuro Line
Distance	36.8 km from Ikebukuro
Platforms	1 side + 2 island platforms
Connections	Bus terminal
Other information
Station code	SI23
Website	Official website
History
Opened	15 April 1915
Previous names	Toyookamachi (until 1967)
Passengers
FY2019	33,713 daily
Services
Location
Location
	Irumashi Station Location within Saitama Prefecture

Irumashi Station (入間市駅, Irumashi-eki) is a passenger railway station located in the city of Iruma, Saitama, Japan, operated by the private railway operator Seibu Railway.

Lines

Irumashi Station is served by the Seibu Ikebukuro Line from Ikebukuro in Tokyo, with some services inter-running via the Tokyo Metro Yurakucho Line to Shin-Kiba and the Tokyo Metro Fukutoshin Line to Shibuya and onward via the Tokyu Toyoko Line and Minato Mirai Line to Motomachi-Chukagai. Located between Inariyama-kōen and Bushi, it is 36.8 km from the Ikebukuro terminus.^[1]

Station layout

The station consists of a ground-level side platform and two island platforms, serving a total of four tracks.^[2]

Platforms

1	■ Discontinued
2/3	Seibu Ikebukuro Line	for Hannō and Seibu-Chichibu
4/5	Seibu Ikebukuro Line	for Tokorozawa, Nerima, and Ikebukuro Y Tokyo Metro Yurakucho Line for Shin-Kiba F Tokyo Metro Fukutoshin Line for Shibuya TY Tōkyū Tōyoko Line for Yokohama Minatomirai Line for Motomachi-Chukagai

Platforms 1 and 2 share the same track. Limited express trains usually stop at Platform 2 in the down direction and Platform 5 in the up direction.

History

The station opened on 15 April 1915 as Toyooka-machi Station (豊岡町駅).^[1] It was renamed Irumashi on 1 April 1967.^[1]

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Irumashi Station becoming "SI23".^[3]

Through-running to and from Yokohama and Motomachi-Chukagai via the Tokyu Toyoko Line and Minatomirai Line commenced on 16 March 2013.^[4]

Passenger statistics

In fiscal 2019, the station was the 28th busiest on the Seibu network with an average of 33,713 passengers daily.^[5] The passenger figures for previous years are as shown below.

Fiscal year	Daily average
2000	35,092^[1]
2009	36,331^[6]
2010	35,706^[7]
2015	34,306^[8]

Surrounding area

Sayama Inariyama Park [ja]
Iruma City Office
Sainomori Iruma Park
National Route 16

References

^ ^a ^b ^c ^d Terada, Hirokazu (July 2002). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 201. ISBN 4-87366-874-3.
^ Kawashima, Ryozo (February 2011). 日本の鉄道　中部ライン　全線・全駅・全配線　第１１巻　埼玉南部・東京多摩北部 [Railways of Japan - Chubu Line - Lines/Stations/Track plans - Vol 11 Southern Saitama and Northern Tama Tokyo]. Japan: Kodansha. pp. 19–73. ISBN 978-4-06-270071-9.
^ 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. Archived from the original (PDF) on 24 September 2015. Retrieved 22 February 2013.
^ 東急東横線・メトロ副都心線相互直通、16日スタート [Tokyu Toyoko Line and Tokyo Metro Fukutoshin Line inter-running to start on 16 March]. Nikkei.com (in Japanese). Japan: Nikkei Inc. 15 March 2013. Retrieved 2 April 2013.
^ 駅別乗降人員(2019年度1日平均 [Average daily station usage figures (fiscal 2019)] (PDF) (in Japanese). Japan: Seibu Railway. Retrieved 6 January 2021.
^ 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. Archived from the original (PDF) on 26 June 2011. Retrieved 22 February 2013.
^ 各駅の乗車人員 (2010年度) [Station passenger figures (Fiscal 2010)] (in Japanese). Japan: East Japan Railway Company. Archived from the original on 6 October 2014. Retrieved 22 February 2013.
^ 駅別乗降人員(2015年度1日平均) [Station passenger figures (Fiscal 2015)] (in Japanese). Japan: Saitama Prefecture. Retrieved 22 February 2016.