Yokohama Municipal Subway Green Line

The Yokohama Municipal Subway Green Line (横浜市営地下鉄グリーンライン, Yokohama Shiei Chikatetsu Gurīn Rain) is a rapid transit line serving Yokohama in Kanagawa Prefecture, Japan. It is the shorter of the two lines in the Yokohama Municipal Subway system operated by Yokohama City Transportation Bureau. Its formal designation is Line 4, and it is the first section to be opened of a proposed Yokohama Circular Railway (横浜環状鉄道, Yokohama Kanjō Tetsudō).

Yokohama Municipal Subway Green Line
A Green Line 10000 series train in December 2021
Overview
Native name	横浜市営地下鉄グリーンライン
Line number	4
Locale	Yokohama
Termini	Nakayama Hiyoshi
Stations	10
Service
Type	Rapid transit
System	Yokohama Municipal Subway
Operator(s)	Yokohama City Transportation Bureau
Depot(s)	Kawawa
Rolling stock	10000 series EMUs[1]
Daily ridership	129,104 daily (FY2014)
History
Opened	30 March 2008; 17 years ago (2008-03-30)
Technical
Line length	13.0 km (8.1 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	1,500 V DC from overhead catenary
Operating speed	80 km/h (50 mph)
Route map Map of Yokohama Municipal Subway

The Green Line links Nakayama on the JR East Yokohama Line and Hiyoshi on the Tokyu Toyoko Line with 13.0 kilometers (8.1 mi) of track and 10 stations. Construction began in 2001 and the new line started operating on 30 March 2008.^[2] It uses linear motor propulsion and a full journey takes approximately 21 minutes one way.

Stations

Platforms are above ground at Kawawachō, Center-Kita, and Center-Minami stations and underground at other stations.

No.	Station	Japanese	Distance (km)	Transfers	Location (in Yokohama)
G01	Nakayama	中山	0.0	JH Yokohama Line	Midori-ku
G02	Kawawachō	川和町	1.7		Tsuzuki-ku
G03	Tsuzuki-fureainooka	都筑ふれあいの丘	3.1
G04	Center-Minami	センター南	4.8	Yokohama Municipal Subway Blue Line (Line 3, B29)
G05	Center-Kita	センター北	5.7	Yokohama Municipal Subway Blue Line (Line 3, B30)
G06	Kita-Yamata	北山田	7.4
G07	Higashi-Yamata	東山田	8.8
G08	Takata	高田	10.3		Kōhoku-ku
G09	Hiyoshi-Honchō	日吉本町	11.6
G10	Hiyoshi	日吉	13.0	TY Toyoko Line MG Meguro Line SH Tōkyū Shin-Yokohama Line

Rolling stock

A 10000 series train under test on the Green Line in July 2006

The Green Line is operated by 17 4-car 10000 series EMUs. In 2018, it was announced that 10 of these would be lengthened to six cars each by 2024 as a measure to ease overcrowding on the Green Line.^[3] By April 2023, lengthening of 4-car trains to 6-car trains had commenced, and by the end of fiscal year 2024, there will be 10 x 6-car trains.^[4][5]