Seibu Kokubunji Line

Railway line in Tokyo, Japan

Kokubunji
Higashi-Murayama

Stations5ServiceTypeCommuter railSystemSeibu ShinjukuServices1Rolling stockSeibu 2000 seriesHistoryOpened21 December 1894; 129 years ago (1894-12-21)TechnicalLine length7.8 km (4.8 mi)Number of tracks1 (1.2 km double-tracked)Track gauge1,067 mm (3 ft 6 in)Electrification1,500 V DC (overhead catenary)Operating speed85 km/h (53 mph)Highest elevation300 m (980 ft)

Legend

					JR Chūō line
				0.0	Kokubunji
					Tamako Line
				0.9	Hanesawa
					Musashino Line
				2.1	Koigakubo
					Tamagawa Aqueduct
				3.6	Takanodai
					Haijima Line
				5.1	Ogawa
					Haijima Line
					Tamako Line
					Shinjuku Line
				7.8	Higashi-Murayama
					Seibuen Line
					Seibuen
					Shinjuku Line
					Hon-Kawagoe

The Seibu Kokubunji Line (西武国分寺線, Seibu Kokubunji-sen) is a railway line in Tokyo, Japan, operated by the private railway operator Seibu Railway.

The line is part of the Seibu Shinjuku group of railway lines and connects suburban areas of western Tokyo to Seibu and JR main lines that run to central Tokyo. The line passes through the cities of Higashimurayama, Kodaira, and Kokubunji.

History

The line was opened in 1894 as part of the Kawagoe Railway linking Kokubunji and Hon-Kawagoe. At this time, Ogawa was the only intermediate station on the Higashi-Murayama to Kokubunji section. In 1927, the Kawagoe railway was diverted at Higashi-Murayama to a new section of track to Takadanobaba and so the Kokubunji line was formed from the orphaned section. The line was electrified in 1948. Two additional intermediate stations were later opened between Ogawa and Kokubunji: Takanodai opened in 1948, and Koigakubo opened in 1955. Setting up of Hanesawa and track doubling from Koigakubo to Hanesawa was carried out in 1968. Since July 2008, recorded announcements on trains have been provided in English in addition to Japanese.

Through service onto the Seibu Shinjuku Line has been suspended since 19 March 2019 because of the reconstruction of Higashi-Murayama Station into an elevated station.^[1]

Stations

No.	Station		Distance (km)	Connections	Location
SK01	Kokubunji	国分寺	0.0	Seibu Tamako Line JC Chuo Line (Rapid)	Kokubunji	Tokyo
SK02	Koigakubo	恋ヶ窪	2.1		Kokubunji
SK03	Takanodai	鷹の台	3.6		Kodaira
SK04	Ogawa	小川	5.1	Seibu Haijima Line	Kodaira
SK05	Higashi-Murayama	東村山	7.8	Seibu Shinjuku Line, Seibuen Line	Higashimurayama

Operations

2000 series EMUs are used on this line. These trains are painted in Seibu Railway's distinctive yellow livery. All trains are local services and stop at all stations. Trains take 12 minutes to complete the 7.8 km (4.8 mi) journey.^[2] The line is mostly single track between Higashi-Murayama and Koigakubo, but with double track sections at each station. Track between Koigakubo and Kokubunji is double track for the first 1.2 km (0.75 mi) and single track the last 0.9 km (0.6 mi) before Kokubunji station. The track changes from double to single at Hanesawa (羽根沢信号場, Hanesawa shingōjō).^[3] The 1.2 km (0.75 mi) double-track section allows 8 trains per hour to operate in each direction during peak. At Kokubunji Station, trains use only a single platform (platform 5) at the terminus.^[4]

References

^ "西武鉄道新宿線、国分寺線及び西武園線（東村山駅付近）の連続立体交差事業と鉄道付属街路事業に関する「事業及び工事説明会」を開催しました。" (PDF). Higashi Murayama City Online. 29 January 2015. Archived from the original (PDF) on 26 September 2021. Retrieved 20 October 2022.
^ Seibu Kokubunji Line Weekday timetable, archived from the original on 2011-08-13
^ "特集西武鉄道" [Feature: Seibu Railway]. The Railway Pictorial (716). Japan: Denkisha Kenkyūkai: 12. April 2002. ISSN 0040-4047.
^ Map of Kokubunji Station, archived from the original on 2011-08-07

External links

Wikimedia Commons has media related to Seibu Kokubunji Line.

Seibu Railway route map

v t e Seibu railway lines
Ikebukuro Line group	■ Ikebukuro ■ Sayama ■ Seibu Chichibu ■ Seibu Yūrakucho ■ Toshima
Shinjuku Line group	■ Haijima ■ Kokubunji ■ Seibuen ■ Shinjuku ■ Tamagawa ■ Tamako
People mover	■ Yamaguchi
Related lines	Daiyūzan Line Hakone Komagatake Ropeway Jukkokutōge Cable Car Sunzu Line
Major stations	Hannō Hon-Kawagoe Ikebukuro Kokubunji Nerima Seibu-Shinjuku Takadanobaba Tokorozawa

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