Line 4 of the Shenzhen Metro, formerly branded as the Longhua line, runs South–North from Futian Checkpoint to Niuhu. The line serves Futian District and Longhua District of Shenzhen.

Quick Facts Overview, Other name(s) ...

Line 4
MTR-designed Shangmeilin station
Overview
Other name(s)	Longhua line (龙华线; 龍華線; Lónghuá xiàn; Lung4 Waa4 Sin3)
Native name	四号线; 四號線; Sìhào Xiàn; Sei3 Hou6 Sin3
Status	Operational
Locale	Futian and Longhua districts Shenzhen, Guangdong
Termini	Futian Checkpoint Niuhu
Stations	23
Color on map	Red (#dc241f)
Service
Type	Rapid transit
System	Shenzhen Metro
Services	1
Operator(s)	MTR Corporation (Shenzhen)
Depot(s)	Longhua depot Guanlan Stabling Yard
Rolling stock	CRRC Nanjing Puzhen Type A Metro Rolling Stock (401–452)(6A)
History
Opened	Phase 1: 28 December 2004; 19 years ago (2004-12-28) Phase 2: 16 June 2011; 12 years ago (2011-06-16)
Last extension	28 October 2020; 3 years ago (2020-10-28)
Technical
Line length	31.3 km (19.45 mi)
Number of tracks	Double-track
Character	Underground and elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	1,500 V DC overhead line
Operating speed	80 km/h (50 mph)
Signalling	FTGS Quasi-Moving block Siemens Trainguard LZB 700M
Route map Legend Niuhu Guanlan Stabling Yard Mission Hills Songyuanxia Guanlan Longhua Tram Changhu Xikeng Zhucun Qinghu North Qinghu Longhua Tram Longhua 6 to Songgang   Longsheng Longhua Depot Shangtang Hongshan 6 Guangshengang   5 to Chiwan to Huangbeiling Pingnan Railway   Shenzhen North 5 6 Guangshengang/Xiashen   6 to Science Museum Baishilong Minle Shangmeilin 9 9 to Qianwan to Wenjin Lianhua North 3 to Futian Bonded Area to Shuanglong Children's Palace 3 Civic Center 2 2 to Chiwan to Yantian Road connection to Line 1 1 to Airport East to Luohu Convention and Exhibition Center 1 10 to Shuangyong Street   7 to Xili Lake to Tai'an Fumin 7 10 Futian Checkpoint 10（OSI） Guangdong, China Hong Kong Lok Ma Chau      East Rail line to Admiralty This diagram: view talk edit

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The line originally used 4-car trains, making it extremely crowded;^[1] although it still carried over 250,000 people daily,^[2] peaking at 516,100 on 5 May 2014.^[3] Stations feature electronic passenger information systems, which display estimated train arrival times.

When the second phase of the line opened in 2011, there were only eight trains which were completely unable to meet passenger demand. By 2012, 24 trains were in service. On 26 January 2014, the first 6-car train entered service, and as of 30 January 2015 all trains are 6 cars, 2 months earlier than planned.

The line is currently coloured red, although it was originally coloured blue until 1 July 2010.

Line 4's operation and management was handed over to MTR Corporation (Shenzhen), a subsidiary of MTR Corporation on 1 July 2010 (for 30 years, until 2040) under a BOT basis. Upon MTR's takeover, elements of the existing stations were modified to match MTR Hong Kong's styles, such as changing of lighting, station maps and signs, posters and the introduction of station art similar to those found within stations in the Hong Kong MTR.^[4] English station names were also modified (i.e. 'Futiankouan' changed to 'Futian Checkpoint') for easier recognition, and staff uniform and help desks were also changed to match the styles seen in Hong Kong's MTR.

The English font type and tickets remain unchanged.

MTR Fare Saver

This section does not cite any sources. (October 2023)

An MTR Fare Saver kiosk is available in Futian Checkpoint. Passengers with the Hong Kong Octopus card can utilise the kiosk and receive a HK$3 discount on the subsequent trip from Lok Ma Chau on MTR Hong Kong's East Rail line.

This section does not cite any sources. (October 2023)

• Futian Checkpoint — Niuhu
• Futian Checkpoint — Xikeng (Working days peak hours only)