Yokohama Municipal Subway

Yokohama Municipal Subway (横浜市営地下鉄, Yokohama-shiei chikatetsu) is the rapid transit network in the city of Yokohama, Japan, south of Tokyo in Kanagawa Prefecture. It is operated by Yokohama City Transportation Bureau as two lines, though three continuous lines exist.

A 10000 series train on the Green Line.
A 3000V series train on the Blue Line.
For the subway line connecting Yokohama Station with Yokohama Chinatown, see Minatomirai Line.
Yokohama Municipal Subway
Yokohama Municipal Subway Logo
Overview
Native name横浜市営地下鉄
Yokohama-shiei chikatetsu
LocaleYokohama, Japan
Transit typeRapid transit
Number of lines2 (Blue & Green)
Number of stations42
Websitewww.city.yokohama.lg.jp/koutuu/sub
Operation
Began operationDecember 16, 1972 (1972-12-16)
Operator(s)Yokohama City Transportation Bureau
Technical
System length53.4 km (33.2 mi)
Track gauge1,435 mm (4 ft 8+1⁄2 in)

Lines
Yokohama Municipal Subway Lines (blue and light green) in the railway network around Yokohama
Symbol Line Name First section opened Last extension Length km (miles) Stations
Line 1 Blue Line 1972 1999 19.7 km (12.2 mi) 17
Line 3 1985 1993 20.7 km (12.9 mi) 16[Note 1]
Line 4 Green Line 2008 - 13.1 km (8.1 mi) 10
Total: 53.5 km (33.2 mi) 42

The Yokohama Municipal Subway consists of three lines: Line 1, Line 3 and 4. Line 1 and 3 are operated as a single line, nicknamed the Blue Line. Line 4 is nicknamed the Green Line. Upon the addition to the network of this line on March 30, 2008, the Blue Line and Green Line monikers came into official use.

Transfer between the Blue and Green Line is possible at Center-Kita and Center-Minami Stations. Feeder bus services from western Kawasaki City area run to Azamino Station.

The "missing" Line 2 was planned to run from Kanagawa-Shinmachi Station via Yokohama Station to Byobugaura Station. The 11.4 km (7.1 mi) line was previously considered as a bypass line for easing congestion on the Keikyū Main Line, however, the line deemed unnecessary after the Keikyu Line increased its capacity.

Blue Line

The Blue Line (Lines 1/3) is operated as an integrated route of 40.4 kilometres (25.1 mi) between Shōnandai Station in Fujisawa and Azamino Station. The Blue Line is Japan's second-longest subway line, after the 40.7 km (25.3 mi) Toei Ōedo Line in Tokyo.

In July 2011, a "mobile phone power off area" was set up in each car, and the use of mobile phones is officially banned except in other areas.

Green Line

The Green Line (Line 4) opened on March 30, 2008, between Hiyoshi Station and Nakayama Station, operating distance 13.0 km (8.1 mi) (total extension distance 13.1 km (8.1 mi)). It takes approximately 21 minutes from Hiyoshi station to Nakayama station.

Blue Line

On 21 January 2020, Yokohama City and Kawasaki City announced the route and four new stations for the planned 6.5 km (4.0 mi) extension of the Blue Line from Azamino Station to Shin-Yurigaoka Station on the Odakyū Odawara Line.[1][2] Construction of this section is expected to complete by 2030.[1][2] In June 2020, the Transportation Bureau started environmental impact asssesment procedures of the extension project. [3]

Green Line

The Green Line was built as part of a larger master plan to construct a circular line in Yokohama. The full line will be a C-shaped line that stretches from Tsurumi Station via Hiyoshi Station, Nakayama Station, Futamata-gawa Station, Higashi-Totsuka Station, Kamiōoka Station, and Negishi Station to Motomachi-Chūkagai Station.

Station numbering

Numerical designations for the stations on the Blue Line were introduced in 2002, coinciding with Yokohama city hosting the finals of the 2002 FIFA World Cup and the subway's 30th anniversary, starting from Shonandai station (1) to Azamino station (32). With 32 stations on the line and 32 teams in the World Cup, each station was themed after a country. Alphabetical designations were added when the Green Line opened. The Blue Line stations are B01 through B32, while Green Line stations starts from Nakayama Station (G01) to Hiyoshi Station (G10). At two stations—Center-Minami Station and Center-Kita Station—where both lines overlap, a different station number is attached to each route.

Network Map

See also

Notes
  1. Including Kannai Station

References
  1. "横浜市営地下鉄ブルーラインの延伸「あざみ野～新百合ヶ丘」概略ルート・駅位置が決定しました！" (PDF). City of Yokohama. 2020-01-21. Retrieved 2023-03-20.
  2. "川崎市：事業計画の概要". www.city.kawasaki.jp. Retrieved 2023-03-20.
  3. "3号線延伸取組状況". www.city.yokohama.lg.jp (in Japanese). Retrieved 2023-03-20.
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