A Shinjuku-bound Holiday Rapid Okutama (E233 series EMU) at Haijima Station
Itsukaichi Line Local
Local trains stop at all stations between Musashi-Itsukaichi and Haijima.
Through services
The Itsukaichi Line, at times, runs through services along the Ōme Line . All through services into the Itsukaichi Line stop at every station on this line.
Ōme - Itsukaichi Line through service: Some Itsukaichi Line operate through service to the Ōme Line via Haijima. They operate between Musashi-Itsukaichi and Tachikawa.
Former through services
Chūō - Ōme - Itsukaichi Line through service: At rush hours, a few Chūō Line trains ran through services between Tokyo and the Itsukaichi Line via Haijima. These services were always joined with another through service train, which coupled / decoupled at Haijima. During morning rush, some trains from Musashi-Itsukaichi on the Itsukaichi Line, and another train from Ōme on the Ōme Line, or from Hakonegasaki / Komagawa on the Hachiko Line, coupled at Haijima, and headed for Tokyo. During evening rush, the reverse occurred. These trains operated until 11 March 2022.[1]
An extension, via a switchback, formerly operated to Musashi-Iwai Station. It closed to passenger traffic in 1971 and to freight in 1982.[citation needed]
History
Looking from Musashi-Itsukaichi Station towards Musashi-Masuko Station
The Itsukaichi Line was built by the Itsukaichi Railway in 1925. In 1930, all sections (Tachikawa - Haijima - Musashi-Itsukaichi - Musashi-Iwai) were opened. There were two competing railways between Tachikawa and Haijima: the Ōme Electric Railway (now the Ōme Line) and the Itsukaichi Railway. In 1940, the Itsukaichi Railway was taken over by the Nambu Railway, becoming the Nambu Railway Itsukaichi Line. In 1944, Nambu Railway was nationalized and this line became the JGR Itsukaichi Line. At the same time, the section of the line between Tachikawa and Haijima was deemed non-essential and closed. However, the Tachikawa - Musashi-Uenohara and Musahi-Uenohara - Nishi-Tachikawa sections of the former Nambu Railway are still used by Chūō Main Line and Nambu Line trains traveling to and from the southern area of Tachikawa Station.
Chronology
24 April 1925: Itsukaichi Railway opens between Haijima (temporary) and Itsukaichi stations (10.62 km (6.60 mi)). Haijima (temporary), Higashi-Akiru, Nishi-Akiru, Masuko, and Itsukaichi stations open.
15 May 1925: Extension from Haijima (temporary) Station to Haijima Station opens; Haijima (temporary) Station closes.
16 May 1925: Masuko Station renamed Musashi-Masuko Station.
1 June 1925: Itsukaichi Station renamed Musashi-Itsukaichi Station.
8 December 1931: Musashi-Tanaka - Haijima-Tamagawa freight branch (1.6 km (0.99 mi)) opens; Haijima-Tamagawa Station (freight only) opens. Tamagawa Station is renamed Musashi-Tamagawa Station.
3 October 1940: Line taken over by Nambu Railway, becomes Itsukaichi Line. Musashi-Tamagawa Station closes.
1 April 1944: Line is nationalized. Byōinmae Station renamed Musashi-Hikita Station. Musashi-Uenohara, Miyazawa, and Musashi-Tanaka stations close. Origin of freight branch (Musashi-Tanama - Haijima-Tamagawa) moved to Minami-Haijima Station (+1.4 km). Distance between Musashi-Itsukaichi and Musashi-Iwai shortened by 0.1 km (0.062 mi).
11 October 1944: Tachikawa - Haijima section of Main Line and Minami-Haijima - Haijima-Tamagawa section of freight branch close. Gouchi, Musashi-Fukushima, Minami-Nakagami, Ōgami, Minami-Haijima, Haijima-Tamagawa stations close.
17 February 1961: Haijima - Musashi-Iwai section electrified at 1,500 V DC.
1 February 1971: Ōkuno - Musashi-Iwai section of main line closes. Passenger service between Musashi-Itsukaichi and Ōkuno ceases; section becomes a freight branch. CTC installed in all sections.
15 November 1982: Musashi-Itsukaichi - Ōkuno freight branch closes; all freight services discontinued.
31 March 1987: Nishi-Akiru Station renamed Akigawa Station.
1 April 1987: Following privatization of JNR line becomes part of JR East.
18 March 2007: New E233 series trains enter service.
15 March 2008: Semi-automated door operation starts year-round using E233 series rolling stock.
20 August 2016: Station numbering introduced with stations being assigned station numbers between JC81 (Kumagawa) and JC86 (Musashi-Itsukaichi).[2][3]
12 March 2022: Excluding all Holiday Rapid Akigawa services, all through service beyond Tachikawa station via the Ome Line is discontinued.[4]
18 March 2023: Holiday Rapid Akigawa services are abolished.[5]
^"⾸都圏エリアへ 「駅ナンバリング」を導⼊します" [Introduce “station numbering” to the Tokyo metropolitan area] (PDF). jreast.co.jp (in Japanese). 6 April 2016. Archived from the original(PDF) on 7 December 2022. Retrieved 7 January 2023.
^Kusamachi, Yoshikazu (7 April 2016). "JA・JK・JT・AKB…JR東日本、首都圏で駅ナンバリングなど導入へ" [JA, JK, JT, AKB … JR East to introduce station numbering in the Tokyo metropolitan area]. Response Automotive Media (in Japanese). Archived from the original on 6 August 2022. Retrieved 7 January 2023.
^"2022年3月ダイヤ改正について" [Information regarding the March 2022 timetable revision] (PDF). jreast.co.jp (in Japanese). 17 December 2021. Archived from the original(PDF) on 20 September 2022. Retrieved 7 January 2023.
^""ホリデー快速おくたま"の奥多摩直通運転が終了" ["Holiday Express Okutama" ends Okutama direct service]. Japan Railfan Magazine Online (in Japanese). 13 March 2023. Retrieved 14 March 2023.
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