Musashi-Kosugi Station (武蔵小杉駅) is in Kawasaki, Kanagawa. East Japan Railway Company and Tokyu Railways run services here. Lines served: Nambu Line, Saikyō Line, Yokosuka Line, Shōnan–Shinjuku Line, MG Tokyu Meguro Line, TY Tokyu Toyoko Line, and Narita Express (N'EX).
History
The site began as a stop called Gurando-mae (グラウンド前停留場). The Nanbu Railway opened it on 1 November 1927, between Mukaigawara and Musashi-Nakahara. The name came from a sports ground of the Yokohama Specie Bank (横浜正金銀行) in front of the stop. On 11 December 1939 Kogyo Toshi station opened near the crossing with the Fuchu Kaido road. On 1 April 1944 the Nanbu Railway was taken into state ownership as the Nanbu Line. The stop became a station and was renamed Musashi-Kosugi. The new name used the old province name Musashi, to tell it apart from Kosugi Station on the Hokuriku Line. Kosugi had been a post town on the Nakahara Kaido in the Edo period.
On 16 June 1945 Musashi-Kosugi station opened at the junction with the Nanbu Line. It was a temporary station, and its platforms had no roof. It served only commuters holding commuter passes, and only in the morning and evening. From 1 January 1947 it handled general passengers and luggage. From 10 November 1948 it handled small parcels. On 31 March 1953 Kogyo Toshi station closed. Musashi-Kosugi moved to a point halfway between its old site and Kogyo Toshi.
In December 1959 the bus terminal moved from Kogyo Toshi to the plaza at the north exit. On 1 June 1974 automatic ticket gates were installed at the south exit. On 1 March 1976 a freight-only section of the Musashino Line opened from Tsurumi to Fuchu-honmachi. It runs beneath the station but has no platform here. On 1 October 1980 Yokosuka Line trains began running through the area, but no Yokosuka Line station was built here yet. On 1 October 1984 the station building moved onto a bridge, and the platforms moved toward Kawasaki. On 27 November 1988 and 20 December 1990 the Nanbu Line tracks on the Musashi-Nakahara side were raised onto an elevated track.
On 6 August 2000 the Tokyu Meguro Line opened, and the Tamagawa to Musashi-Kosugi section was made four tracks. On 26 September 2000 Meguro Line trains began running through to the Toei Mita Line and the Tokyo Metro Namboku Line. Trains from this station ran toward Nishi-Takashimadaira and Akabane-Iwabuchi. On 22 June 2008 the Meguro Line was extended from here to Hiyoshi. On 13 March 2010 a Yokosuka Line station opened here on a temporary basis. The Yokosuka Line platform is an elevated island platform. Shōnan–Shinjuku Line, Narita Express and Super View Odoriko trains began stopping. Full opening had been planned for the earlier fiscal year, but extra work to keep the Tōkaidō Shinkansen rails from shifting delayed it by about one year. Kawasaki City paid for the station building. The connecting passage was shared between Kawasaki City and JR East. Until the permanent passage opened, passengers could change outside the gates if they went through another gate within a set time limit. Nanbu Line rapid trains began stopping on 9 April 2011. The start had been planned for March, but planned blackouts after the earthquake postponed it. The permanent connecting passage between the Nanbu and Yokosuka Line stations opened on 25 June 2011. It was due in spring 2011 but was delayed by the Great East Japan Earthquake. From then on, transfers outside the gates between the two stations ended.
On 2 April 2013 Musashi-Kosugi Tokyu Square opened, and a passage from the building's fourth floor to the Tokyu platforms came into use. On 8 January 2014 an escalator in the connecting passage stopped suddenly, and some people were hurt. On 30 March 2014 the east exit plaza opened. On 26 April 2018 a temporary new south gate opened to reduce crowding. On 12 October 2019 heavy rain from a typhoon flooded the Yokosuka Line's new south gate. The next day every Yokosuka Line train passed the station without stopping, and all Shōnan–Shinjuku Line trains were cancelled. On 30 November 2019 Sotetsu through trains began running, and Saikyō Line through trains also began to stop here. On 13 March 2021 platform doors started on the Nambu Line platform. On 11 September 2025 heavy rain flooded the station, and the automatic gates stopped working for a time.
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Written by an AI from this station's own sourced facts (the dated events in the Data view), nothing else, and checked by a program for dates and numbers that are not in those facts. It can still be wrong. Found a mistake? . Adapted from Japanese Wikipedia, CC BY-SA 4.0; this text is shared under the same licence.