The Tokyu Tamagawa Line (東急多摩川線) is a line run by Tokyu Electric Railway (東急電鉄). It runs from Tamagawa Station to Kamata Station, all within Ōta ward, Tokyo.
History
The line is part of the first line opened by Meguro Kamata Electric Railway (目黒蒲田電鉄), which was set up to develop Den-en-chōfu. It is also the original line of Tokyu. On 11 March 1923 the Meguro to Maruko (now Numabe) section opened. In October 1923 Meguro-Fudō-mae station was renamed Fudō-mae. On 1 November 1923 the Maruko to Kamata section opened, completing the line, and it was named the Mekama Line (目蒲線). On 29 February 1924 Unoki station opened. On 1 April 1924 Nita station was renamed Musashi-Nita. On 2 May 1924 Shimo-Maruko station opened. On 1 June 1924 Maruko station was renamed Musashi-Maruko. On 12 October 1925 Honmonji-michi station opened between Yaguchi and Kamata. On 1 January 1926 Tamagawa station was renamed Maruko-Tamagawa, and Musashi-Maruko was renamed Numabe. On 21 May 1930 Yaguchi was renamed Yaguchi-watari. On 1 January 1931 Maruko-Tamagawa was renamed Tamagawaen-mae. On 1 January 1936 Honmonji-michi was renamed Michizuka.
On 1 June 1945 the section from Yaguchi-watari through Michizuka to Kamata was suspended, and it was abolished in 1946. On 14 August 1945 a new line from Yaguchi-watari to Kamata opened. On 5 November 1955 the overhead line voltage was raised from 600 V to 1500 V.
On 20 January 1966 Unoki station was renamed Unoki in the modern spelling. On 16 December 1977 Tamagawaen-mae was renamed Tamagawaen. On 19 March 1989 the old 3000 series three-car sets, which used nose-suspended motor drives, were changed to four-car sets of all-stainless cars. The Ikegami Line (池上線) kept three-car sets.
On 3 July 2000, in preparation for splitting the line at Tamagawaen, some trains were made three cars long. On 6 August 2000 the Tamagawa to Kamata section was separated and renamed the Tokyu Tamagawa Line. Tamagawaen was renamed Tamagawa, and one-man operation began. Because cars were shared with the Ikegami Line, the sets changed from four cars to three. On 10 June 2005 the average daytime interval was shortened from 7 minutes 30 seconds to 6 minutes, with more trains. On 3 November 2007 the Tamagawa Art Line project held Art Week 2007, under the theme From Ancient to Future, until 11 November. On 9 January 2008 the second-generation 7000 series began service on the Tokyu Tamagawa Line.
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Written by an AI from the line's history on Japanese Wikipedia, nothing else, and checked by a program for dates and numbers that are not in those facts. It can still be wrong. Adapted from Japanese Wikipedia, CC BY-SA 4.0; this text is shared under the same licence.