The Seibu Haijima Line (西武拝島線, Seibu Haijima-sen) is a railway line in Tokyo, Japan, operated by Seibu Railway. It acts as a branch line of the Seibu Shinjuku Line, with direct trains to Seibu-Shinjuku Station in Tokyo.
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Seibu 101 seriesSeibu 2000 seriesSeibu 3000 seriesSeibu 6000 seriesSeibu 20000 seriesSeibu 30000 seriesA fleet of eight 10-car Seibu 40000 series EMUs is scheduled to be introduced from spring 2017, operating on the Seibu Ikebukuro, Seibu Shinjuku, and Seibu Haijima Lines.
2 November 1928: Opened as Tamako Railway from Hagiyama to Hon-Kodaira (near Kodaira).15 August 1932: Electrified at 600 V DC from Hagiyama to Hon-Kodaira.12 March 1940: Tamako Railway merged with Musashino Railway (present-day Seibu Railway).15 November 1949: Hon-Kodaira Station closed.15 May 1950: Jōsui Line opened from Ogawa to Tamagawa-Jōsui. Omebashi and Tamagawa-Jōsui stations opened.12 October 1954: Electrified at 1,500 V DC from Ogawa to Tamagawa-Jōsui.18 March 1955: Electrification raised to 1,500 V DC between Kodaira and Hagiyama.1 September 1962: Josui Line opened from Hagiyama to Ogawa. Renamed Jōsui Line from Kodaira to Hagiyama.7 November 1967: Double-tracked from Kodaira to Hagiyama.15 May 1968: Haijima Line opened from Tamagawa-Jōsui to Haijima, Seibu-Tachikawa station opened. Jōsui Line renamed Haijima Line.25 March 1979: Omebashi Station renamed Higashi-Yamatoshi Station.7 December 1979: Double-tracked from Hagiyama to Ogawa.12 December 1983: Musashi-Sunagawa Station opened.1 December 1983: Double-tracked from Musashi-Sunagawa to Seibu-Tachikawa.5 March 1987: Nishi-Ogawa passing loop opened. Double-tracked from Nishi-Ogawa to Higashi-Yamatoshi.2 November 1988: Double-tracked from Higashi-Yamatoshi to Tamagawa-Jōsui.29 March 1991: Double-tracked from Ogawa to Nishi-Ogawa, Nishi-Ogawa passing loop abolished.14 June 2008: Haijima Rapid service started. The service stopped at: Kodaira, Tamagawa-Jōsui, Musashi-Sunagawa, Seibu-Tachikawa and Haijima stations.30 June 2012: Haijima Rapid service abolished.