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94-442: [REDACTED] The Shenzhen Metro ( 深圳地铁 ) is the rapid transit system for the city of Shenzhen in Guangdong province, China . The Line 8 Extension – which opened on December 27, 2023 – put the network at 555.43 kilometres (345.13 miles) of trackage. It currently operates on 16 lines with 373 stations. Despite having only opened on December 28, 2004, the Shenzhen Metro is the 5th longest metro system in China and 6th longest in

188-469: A 16-metre (52 ft 6 in) wide median reserved for a light rail or light metro line. In 1984, the "Shenzhen Special Economic Zone Master Plan (1985–2000)" pointed out that, with the growing population and traffic in Shenzhen, a light metro system would not have sufficient capacity to meet future demand. Instead the report proposed a heavy rail subway line to be built along Shennan Avenue. The project

282-425: A body of water), which are potential congestion sites but also offer an opportunity for transfers between lines. Ring lines provide good coverage, connect between the radial lines and serve tangential trips that would otherwise need to cross the typically congested core of the network. A rough grid pattern can offer a wide variety of routes while still maintaining reasonable speed and frequency of service. A study of

376-682: A branch line of Line 6 will connect with the neighboring Dongguan Rail Transit system. Lines 12, 13, 14, and 16 and branch of Line 6 was approved by the NDRC in July 2017 and started construction in January 2018. The first phase of Line 20 was fast tracked from Phase IV to provide a shuttle between Line 11 and a new International Convention Center, now called Convention & Exhibition City. The construction started in September 2016, but as for early 2019,

470-454: A code for its stations. Unlike that of Singapore's MRT, it is mostly numbers. Based on the line number, for example Sinyongsan station, is coded as station 429. Being on Line 4, the first number of the station code is 4. The last two numbers are the station number on that line. Interchange stations can have multiple codes. Like City Hall station in Seoul which is served by Line 1 and Line 2. It has

564-651: A code of 132 and 201 respectively. The Line 2 is a circle line and the first stop is City Hall, therefore, City Hall has the station code of 201. For lines without a number like Bundang line it will have an alphanumeric code. Lines without a number that are operated by KORAIL will start with the letter 'K'. With widespread use of the Internet and cell phones globally, transit operators now use these technologies to present information to their users. In addition to online maps and timetables, some transit operators now offer real-time information which allows passengers to know when

658-583: A conventional track is often provided in case of flat tires and for switching . There are also some rubber-tired systems that use a central guide rail , such as the Sapporo Municipal Subway and the NeoVal system in Rennes , France. Advocates of this system note that it is much quieter than conventional steel-wheeled trains, and allows for greater inclines given the increased traction of

752-405: A dedicated right-of-way are typically used only outside dense areas, since they create a physical barrier in the urban fabric that hinders the flow of people and vehicles across their path and have a larger physical footprint. This method of construction is the cheapest as long as land values are low. It is often used for new systems in areas that are planned to fill up with buildings after the line

846-418: A large number of factors, including geographical barriers, existing or expected travel patterns, construction costs, politics, and historical constraints. A transit system is expected to serve an area of land with a set of lines , which consist of shapes summarized as "I", "L", "U", "S", and "O" shapes or loops. Geographical barriers may cause chokepoints where transit lines must converge (for example, to cross

940-652: A large part of the network, for example, in outer suburbs, runs at ground level. In most of Britain , a subway is a pedestrian underpass . The terms Underground and Tube are used for the London Underground . The North East England Tyne and Wear Metro , mostly overground, is known as the Metro . In Scotland , the Glasgow Subway underground rapid transit system is known as the Subway . In Ireland ,

1034-624: A liability form, requiring Phase II subway expansion to be completed in time for the Universiade. Shenzhen Metro increased to over a hundred operating metro stations in June 2011, just before the Shenzhen Universiade games. In the span of two weeks, the network expanded from 64 km (40 mi) to 177 km (110 mi). This expansion increased rail transit's share of total public transit trips from 6% to 29% in 2014. In 2010,

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1128-452: A line is obtained by multiplying the car capacity, the train length, and the service frequency . Heavy rapid transit trains might have six to twelve cars, while lighter systems may use four or fewer. Cars have a capacity of 100 to 150 passengers, varying with the seated to standing ratio  – more standing gives higher capacity. The minimum time interval between trains is shorter for rapid transit than for mainline railways owing to

1222-615: A metro. In Spain, such systems are present in Madrid , Barcelona , Bilbao and Valencia . In Portugal, Lisbon has a metro. The Italian cities of Catania , Genoa , Milan , Naples , Rome and Turin also have metro lines. In Germany and Austria they rapid transit is known as U-Bahn , which are often supported by S-Bahn systems. In Germany, U-Bahn systems exist in Berlin , Hamburg , Munich and Nuremberg , while in Austria such

1316-518: A rapid transit setting. Liantang station (Shenzhen Metro) Liantang station ( Chinese : 莲塘站 ; pinyin : Liántáng Zhàn ; Jyutping : lin4tong4 zaam6 ) is a metro station on Line 2 and Line 8 of the Shenzhen Metro . It opened on 28 October 2020. Line 2 merges into Line 8 at this station, with trains on Line 2 continuing service to Yantian Road station and trains on Line 8 continuing service to Chiwan station. There

1410-565: A specialized transit police may be established. These security measures are normally integrated with measures to protect revenue by checking that passengers are not travelling without paying. Some subway systems, such as the Beijing Subway , which is ranked by Worldwide Rapid Transit Data as the "World's Safest Rapid Transit Network" in 2015, incorporates airport-style security checkpoints at every station. Rapid transit systems have been subject to terrorism with many casualties, such as

1504-512: A subsidiary of MTR Corporation , since July 1, 2010. Line 4's color is red . Line 5, formerly known as Huanzhong line, runs from Chiwan in the west to Huangbeiling in the east. Construction began in May 2009 and the line opened on June 22, 2011. Line 5 required a total investment of 20.6 billion RMB. The line is operated by SZMC (Shenzhen Metro Group). Line 5's color is purple . Line 6, formerly known as Guangming line, runs from Songgang in

1598-608: A system exists in Vienna . In addition, the small, car-free town of Serfaus in the Austrian state of Tyrol also features a short U-Bahn line. There are no U-Bahn systems in the German-speaking part of Switzerland, but the city of Lausanne has its own, small metro system. In Zurich, Switzerland's largest city, a project for a U-Bahn network was stopped by a referendum in the 1970s and instead its S-Bahn system

1692-525: Is teal . Line 7, formerly known as Xili line of the Shenzhen Metro, opened on October 28, 2016, with a length of 30.137 km (18.726 mi) and a total of 27 stations. It connects the Xili Lake to Tai'an. The line travels East–West across Shenzhen in a "V" shape. The line is operated by SZMC (Shenzhen Metro Group). Line 7's color is navy blue . Line 8, formerly known as Yantian line of

1786-801: Is a shortened reference to a metropolitan area . Rapid transit systems such as the Washington Metrorail , Los Angeles Metro Rail , the Miami Metrorail , and the Montreal Metro are generally called the Metro . In Philadelphia , the term "El" is used for the Market–Frankford Line which runs mostly on an elevated track, while the term "subway" applies to the Broad Street Line which is almost entirely underground. Chicago 's commuter rail system that serves

1880-608: Is a single corporate image for the entire transit authority, but the rapid transit uses its own logo that fits into the profile. A transit map is a topological map or schematic diagram used to show the routes and stations in a public transport system. The main components are color-coded lines to indicate each line or service, with named icons to indicate stations. Maps may show only rapid transit or also include other modes of public transport. Transit maps can be found in transit vehicles, on platforms , elsewhere in stations, and in printed timetables . Maps help users understand

1974-506: Is built. Most rapid transit trains are electric multiple units with lengths from three to over ten cars. Crew sizes have decreased throughout history, with some modern systems now running completely unstaffed trains. Other trains continue to have drivers, even if their only role in normal operation is to open and close the doors of the trains at stations. Power is commonly delivered by a third rail or by overhead wires . The whole London Underground network uses fourth rail and others use

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2068-416: Is necessary, rolling stock with a smaller loading gauge from one sub network may be transported along other lines that use larger trains. On some networks such operations are part of normal services. Most rapid transit systems use conventional standard gauge railway track . Since tracks in subway tunnels are not exposed to rain , snow , or other forms of precipitation , they are often fixed directly to

2162-457: Is operated by SZMC (Shenzhen Metro Group). Line 1's color is green . Line 2, formerly known as Shekou line, runs from Chiwan to Liantang. Line 2 is connected with Line 8 at Liantang station. The line is operated by SZMC (Shenzhen Metro Group). Line 2's color is orange , the same as Line 8. Line 3, formerly known as Longgang line, runs from Futian Bonded Area to Shuanlong in Longgang , in

2256-555: Is referred to simply as "the subway", despite 40% of the system running above ground. The term "L" or "El" is not used for elevated lines in general as the lines in the system are already designated with letters and numbers. The "L" train or L (New York City Subway service) refers specifically to the 14th Street–Canarsie Local line, and not other elevated trains. Similarly, the Toronto Subway is referred to as "the subway", with some of its system also running above ground. These are

2350-412: Is serviced by at least one specific route with trains stopping at all or some of the line's stations. Most systems operate several routes, and distinguish them by colors, names, numbering, or a combination thereof. Some lines may share track with each other for a portion of their route or operate solely on their own right-of-way. Often a line running through the city center forks into two or more branches in

2444-748: Is the most commonly used term for underground rapid transit systems used by non-native English speakers. Rapid transit systems may be named after the medium by which passengers travel in busy central business districts ; the use of tunnels inspires names such as subway , underground , Untergrundbahn ( U-Bahn ) in German, or the Tunnelbana (T-bana) in Swedish. The use of viaducts inspires names such as elevated ( L or el ), skytrain , overhead , overground or Hochbahn in German. One of these terms may apply to an entire system, even if

2538-538: Is to be determined. Aside from the set masterplan, at the 12th Guangdong Provincial People's Congress in January 2014, it was proposed to extend Line 4 beyond the planned Phase III terminus at the Songyuan Bus Terminal in Guanlan. The proposal wanted to further extend this line to reach the future planned Dongguan Metro Line 4 at Tangxia station. This proposal aims to shorten the distance between

2632-627: The Dublin Area Rapid Transit is despite the name considered a commuter rail due to usage of mainline railways. In France, large cities, such as Paris , Marseille and Lyon , feature a Métro . Also the smaller cities of Lille Rennes have a light metro. Furthermore, Brussels in Belgium, and Amsterdam and Rotterdam in the Netherlands have metro systems in place. Several Southern European contries also have

2726-752: The Hudson and Manhattan Railroad K-series cars from 1958, the New York City Subway R38 and R42 cars from the late-1960s, and the Nagoya Municipal Subway 3000 series , Osaka Municipal Subway 10 series and MTR M-Train EMUs from the 1970s, were generally only made possible largely due to the relatively generous loading gauges of these systems and also adequate open-air sections to dissipate hot air from these air conditioning units. Especially in some rapid transit systems such as

2820-429: The London Underground . In 1868, New York opened the elevated West Side and Yonkers Patent Railway , initially a cable-hauled line using stationary steam engines . As of 2021 , China has the largest number of rapid transit systems in the world  – 40 in number, running on over 4,500 km (2,800 mi) of track – and was responsible for most of the world's rapid-transit expansion in

2914-740: The Metropolitan Railway opened publicly in London in 1863. High capacity monorails with larger and longer trains can be classified as rapid transit systems. Such monorail systems recently started operating in Chongqing and São Paulo . Light metro is a subclass of rapid transit that has the speed and grade separation of a "full metro" but is designed for smaller passenger numbers. It often has smaller loading gauges, lighter train cars and smaller consists of typically two to four cars. Light metros are typically used as feeder lines into

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3008-578: The Montreal Metro (opened 1966) and Sapporo Municipal Subway (opened 1971), their entirely enclosed nature due to their use of rubber-tyred technology to cope with heavy snowfall experienced by both cities in winter precludes any air-conditioning retrofits of rolling stock due to the risk of heating the tunnels to temperatures that would be too hot for passengers and for train operations. In many cities, metro networks consist of lines operating different sizes and types of vehicles. Although these sub-networks may not often be connected by track, in cases when it

3102-596: The NDRC on March 26, 2020, added a number of extension projects. Line 5 west extension is part of Phase II expansion. In the Shenzhen Metro 2007 masterplan proposed four more lines (Lines 13, 14, 15 and 16) which have a planned completion target of 2030. In 2016, all aforementioned lines but Line 15 were designated as part of the Phase IV expansion, moving the completion date forward from 2030 to 2022. In 2012, four further lines Qiannan (Line 17), Pinghu (Line 18), Pingshan (Line 19) and Fuyong (Line 20) where unveiled, making

3196-589: The Prague Metro . The London Underground and Paris Métro are densely built systems with a matrix of crisscrossing lines throughout the cities. The Chicago 'L' has most of its lines converging on The Loop , the main business, financial, and cultural area. Some systems have a circular line around the city center connecting to radially arranged outward lines, such as the Moscow Metro 's Koltsevaya Line and Beijing Subway 's Line 10 . The capacity of

3290-685: The Singapore MRT , Changi Airport MRT station has the alphanumeric code CG2, indicating its position as the 2nd station on the Changi Airport branch of the East West Line. Interchange stations have at least two codes, for example, Raffles Place MRT station has two codes, NS26 and EW14, the 26th station on the North South Line and the 14th station on the East West Line. The Seoul Metro is another example that utilizes

3384-450: The deep tube lines . Historically, rapid transit trains used ceiling fans and openable windows to provide fresh air and piston-effect wind cooling to riders. From the 1950s to the 1990s (and in most of Europe until the 2000s), many rapid transit trains from that era were also fitted with forced-air ventilation systems in carriage ceiling units for passenger comfort. Early rapid transit rolling stock fitted with air conditioning , such as

3478-409: The linear motor for propulsion. Some urban rail lines are built to a loading gauge as large as that of main-line railways ; others are built to a smaller one and have tunnels that restrict the size and sometimes the shape of the train compartments. One example is most of the London Underground , which has acquired the informal term "tube train" due to the cylindrical shape of the trains used on

3572-537: The "Shenzhen City Master Plan (1996–2010)". The city's vision for an urban rail network would consists of nine lines. Of the nine transit lines, three of them would be commuter rail lines upgraded from existing national mainline railways. The total length of the proposed network would be about 270 km (170 mi). The three upgraded commuter rail lines would overlap the Guangzhou–Shenzhen railway , Pinghu–Nanshan railway and Pingyan railway. This plan established

3666-432: The 15 world largest subway systems suggested a universal shape composed of a dense core with branches radiating from it. Rapid transit operators have often built up strong brands , often focused on easy recognition – to allow quick identification even in the vast array of signage found in large cities – combined with the desire to communicate speed, safety, and authority. In many cities, there

3760-488: The 1995 Tokyo subway sarin gas attack and the 2005 " 7/7 " terrorist bombings on the London Underground. Some rapid transport trains have extra features such as wall sockets, cellular reception, typically using a leaky feeder in tunnels and DAS antennas in stations, as well as Wi-Fi connectivity. The first metro system in the world to enable full mobile phone reception in underground stations and tunnels

3854-621: The 2010s. The world's longest single-operator rapid transit system by route length is the Shanghai Metro . The world's largest single rapid transit service provider by number of stations (472 stations in total) is the New York City Subway . The busiest rapid transit systems in the world by annual ridership are the Shanghai Metro, Tokyo subway system , Seoul Metro and the Moscow Metro . The term Metro

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3948-532: The 21st century, most new expansions and systems are located in Asia, with China becoming the world's leader in metro expansion, operating some of the largest and busiest systems while possessing almost 60 cities that are operating, constructing or planning a rapid transit system . Rapid transit is used for local transport in cities , agglomerations , and metropolitan areas to transport large numbers of people often short distances at high frequency . The extent of

4042-504: The Hong Kong, which uses British spelling and ongoing political tensions with the US , in mid-2011. The Futian Checkpoint station opened on June 28, 2007, using the name Huanggang. On April 23, 2008, Shenzhen Municipal Planning Bureau announced that it would change the nomenclature of Shenzhen's subway lines according to the "2007 Urban Rail Transit Plan Scheme". Instead of using numbers as

4136-598: The Pearl River Delta such as Dongguan , Huizhou , Foshan and Guangzhou , totaling 146 km (91 mi), have also been revealed. In 2016, an even more ambitious masterplan, expanding the previously planned 20 lines to 32, was unveiled. The new plan envisions a 1,142 km (710 mi) subway network to be completed by 2030. This will allow for travel between the central and suburban districts to be shortened to 45 minutes and for public transit to make up more than 70% of all motorized trips in Shenzhen. Since

4230-409: The Shenzhen Metro, opened on October 28, 2020, with a length of 20.377 km (12.662 mi) and a total of 11 stations. It connects the eastern suburbs of Liantang to Yantian Road , then towards the beach resorts at Dameisha and Xiaomeisha . However, this line serves as the extension of Line 2 in actual operation. The line is operated by SZMC (Shenzhen Metro Group). Line 8's color is orange ,

4324-649: The Shenzhen Urban Planning and Land Resources Commission started gather public input on Phase III station names. On June 28, 2016, Line 11 opened being the first subway line in Shenzhen with 8 car trains and 120 km/h (75 mph) maximum service speed and the first in China with a First Class service. Lines 7 and 9 followed on October 28, 2016. South extension of Line 5 opened on September 28, 2019, and west extension of Line 9 opened on December 8, 2019. Line 6 and Line 10 opened on August 18, 2020, bringing

4418-399: The Shenzhen Urban Planning and Land Resources Committee proposed a building program (Phase III) between 2011 and 2020. In 2011 this plan was approved by the NDRC . Phase III formally commenced in May 2011 with an expected cost of 125.6 billion yuan. It will cover Lines 6, 7, 8, 9, and 11 and will extend the length of the Shenzhen Metro to 348 kilometres (216 mi) and 10 lines. In June 2011,

4512-473: The basic framework for the Shenzhen Metro network. In December 1995, the State Council issued the "moratorium on approval of urban rapid transit projects" to suspend approval of rail transit projects in all Chinese cities except Beijing, Shanghai, and Guangzhou. The Shenzhen Metro project was postponed. In 1996, prior to the handover of Hong Kong, authorities attempted to restart construction by renaming

4606-478: The beginning of rapid transit. Initial experiences with steam engines, despite ventilation, were unpleasant. Experiments with pneumatic railways failed in their extended adoption by cities. In 1890, the City & South London Railway was the first electric-traction rapid transit railway, which was also fully underground. Prior to opening, the line was to be called the "City and South London Subway", thus introducing

4700-447: The centre of Longgang to Tianxin in the northeast. Construction began in 2018 and the line opened on December 28, 2022. The line is operated by SZMC (Shenzhen Metro Group). Line 16's color is dark blue . Line 20, formerly known as Fuyong line, runs from Airport North in the north-west to Convention & Exhibition City near Shenzhen World. Construction began in September 2016 and the line opened on December 28, 2021. Line 20 runs at

4794-437: The change in the construction order of several lines, some numerical names have been reviewed in order to prevent big jump between numbers. By 2016, only numerical names are used. Lines currently in operation: Lines under construction: From 2004 to 2007, there was a lack of official government interest and attention to expanding the subway after completion of Phase 1 with little or no active projects. Subway construction speed

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4888-524: The construction is paused because the Development and Reform Commission did not approve the project. The Phase IV revised plan approved by the NDRC on March 26, 2020, approved the first Phase of Line 20 allowing for construction to continue. The line eventually opened on December 28, 2021. Futian to Gangxia North in the first section of Phase 2 of Line 11 opened on October 28, 2022 in tandem with Line 14 Phase I. The Phase IV revised plan approved by

4982-414: The display of the transit network. Often this has the effect of compressing the distance between stations in the outer area of the system, and expanding distances between those close to the center. Some systems assign unique alphanumeric codes to each of their stations to help commuters identify them, which briefly encodes information about the line it is on, and its position on the line. For example, on

5076-611: The entire metropolitan area is called Metra (short for Met ropolitan Ra il), while its rapid transit system that serves the city is called the "L" . Boston's subway system is known locally as "The T". In Atlanta , the Metropolitan Atlanta Rapid Transit Authority goes by the acronym "MARTA." In the San Francisco Bay Area , residents refer to Bay Area Rapid Transit by its acronym "BART". The New York City Subway

5170-956: The fifth phase plan of Shenzhen Metro, were not included in this announcement. In June 2023, the Fifth Phase Construction Plan of Shenzhen Urban Rail Transit (2023–2028) has been approved for a total of 11 construction projects, including Line 15, Line 17 Phase I, Line 19 Phase I, Line 20 Phase II (Airport East—Baishizhou), Line 22 Phase I, Line 25 Phase I, Line 27 Phase I, Line 29 Phase I, Line 32 Phase I, Line 10 East Extension (Shenzhen Section) and Metro Line 11 North Extension (Shenzhen Section). On June 28, 2023, Shenzhen Metro Line 15 started construction, followed by Line 17 Phase I and Line 20 Phase II on October 10, 2023, Line 22 Phase I on January 2, 2024, Line 25 on February 26, 2024, Line 27 on April 25, 2024, Line 32 on May 8, 2024, Line 19 on May 9, 2024 and Line 29 on June 6, 2024. The Line 10 and 11 connecting lines' construction timeline

5264-516: The floor rather than resting on ballast , such as normal railway tracks. An alternate technology, using rubber tires on narrow concrete or steel roll ways , was pioneered on certain lines of the Paris Métro and Mexico City Metro , and the first completely new system to use it was in Montreal , Canada. On most of these networks, additional horizontal wheels are required for guidance, and

5358-439: The interconnections between different parts of the system; for example, they show the interchange stations where passengers can transfer between lines. Unlike conventional maps, transit maps are usually not geographically accurate, but emphasize the topological connections among the different stations. The graphic presentation may use straight lines and fixed angles, and often a fixed minimum distance between stations, to simplify

5452-434: The length of the Shenzhen Metro to 382.1 km (237.4 mi) and the fourth longest in China. Second east extension of Line 2, second south extension of Line 3, second north extension of Line 4 and phase 1 of Line 8 opened on October 28, 2020, bringing the length of the Shenzhen Metro to 411 km (255 mi). Phase III is also the first phase in which the lines are officially numbered instead of named and colored. With

5546-409: The line opened on June 28, 2016. Line 11 runs at a higher speed of 120 km/h (75 mph), however, the current line speed is limited to 80 km/h (50 mph). The line is operated by SZMC (Shenzhen Metro Group). Line 11's color is maroon . Line 12, also known as Nanbao Line, runs from Zuopaotai East in the southwest to Waterlands Resort East in the northwest. Construction began in 2018 and

5640-476: The line opened on November 28, 2022. Line 12's color is light purple . Line 14, also known as the Eastern Express, runs from Gangxia North in the city centre to Shatian in the northeast. Construction began in 2018 and the line opened on October 28, 2022. The line is operated by SZMC (Shenzhen Metro Group). Line 14's color is yellow . Line 16, also known as Longping Line, runs from Universiade in

5734-602: The lines of the Lyon Metro includes a section of rack (cog) railway , while the Carmelit , in Haifa, is an underground funicular . For elevated lines, another alternative is the monorail , which can be built either as straddle-beam monorails or as a suspended monorail . While monorails have never gained wide acceptance outside Japan, there are some such as Chongqing Rail Transit 's monorail lines which are widely used in

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5828-617: The lines official designation, as typically used in other mainland Chinese metro systems, lines would be given Chinese names more akin to the Hong Kong MTR. In 2010, the Scheme was reviewed and adjusted with new routes and names in addition to newly proposed lines. On October 23, 2013, the SZMC (Shenzhen Metro Group) decided that current operational lines will have their number and names combined, while future lines will only be numbered. Due to

5922-557: The main rapid transit system. For instance, the Wenhu Line of the Taipei Metro serves many relatively sparse neighbourhoods and feeds into and complements the high capacity metro lines. Some systems have been built from scratch, others are reclaimed from former commuter rail or suburban tramway systems that have been upgraded, and often supplemented with an underground or elevated downtown section. Ground-level alignments with

6016-418: The network map "readable" by illiterate people, this system has since become an "icon" of the system. Compared to other modes of transport, rapid transit has a good safety record, with few accidents. Rail transport is subject to strict safety regulations , with requirements for procedure and maintenance to minimize risk. Head-on collisions are rare due to use of double track, and low operating speeds reduce

6110-402: The next vehicle will arrive, and expected travel times. The standardized GTFS data format for transit information allows many third-party software developers to produce web and smartphone app programs which give passengers customized updates regarding specific transit lines and stations of interest. Mexico City Metro uses a unique pictogram for each station. Originally intended to help make

6204-478: The north to Science Museum in the south, with a length of 49.4 km (30.7 mi) and a total of 27 stations. Construction began in August 2015 and the line opened on August 18, 2020. The line is operated by SZMC (Shenzhen Metro Group). Line 6's color is mint green . Line 6 Branch, also known as Branch Line 6, runs from Guangming to SIAT in the north. The line opened on November 28, 2022. Line 6 Branch's color

6298-658: The north-east part of the city. Construction began on December 26, 2005. The line is operated by Shenzhen Metro Line 3 Operations, which has been a subsidiary of SZMC (Shenzhen Metro Group) since April 11, 2011, when an 80% stake was transferred to SZMC. Line 3's color is sky blue . Line 4, formerly known as Longhua line, runs northward from Futian Checkpoint to Niuhu . Trains operate every 2.5 minutes at peak hours and every 6 minutes during off-peak hours. Stations from Futian Checkpoint to Shangmeilin Station are underground . The line has been operated by MTR Corporation (Shenzhen),

6392-958: The occurrence and severity of rear-end collisions and derailments . Fire is more of a danger underground, such as the King's Cross fire in London in November 1987, which killed 31 people. Systems are generally built to allow evacuation of trains at many places throughout the system. High platforms , usually over 1 meter / 3 feet, are a safety risk, as people falling onto the tracks have trouble climbing back. Platform screen doors are used on some systems to eliminate this danger. Rapid transit facilities are public spaces and may suffer from security problems: petty crimes , such as pickpocketing and baggage theft, and more serious violent crimes , as well as sexual assaults on tightly packed trains and platforms. Security measures include video surveillance , security guards , and conductors . In some countries

6486-603: The only two North American systems that are primarily called "subways". In most of Southeast Asia and in Taiwan , rapid transit systems are primarily known by the acronym MRT . The meaning varies from one country to another. In Indonesia , the acronym stands for Moda Raya Terpadu or Integrated Mass [Transit] Mode in English. In the Philippines , it stands for Metro Rail Transit . Two underground lines use

6580-648: The opening of the first phase in 2004, there has been a steady growth in passenger traffic. In 2009 and 2010, passenger traffic soared with major openings of new phase 2 lines, with a three-fold increase in passenger traffic in 2010. On July 12, 2019, it set a new record for its peak ridership at 6.63 million. Rapid transit Modern services on rapid transit systems are provided on designated lines between stations typically using electric multiple units on railway tracks . Some systems use guided rubber tires , magnetic levitation ( maglev ), or monorail . The stations typically have high platforms, without steps inside

6674-587: The outset. Budapest , Chicago , Glasgow , Boston and New York City all converted or purpose-designed and built electric rail services. Advancements in technology have allowed new automated services. Hybrid solutions have also evolved, such as tram-train and premetro , which incorporate some of the features of rapid transit systems. In response to cost, engineering considerations and topological challenges some cities have opted to construct tram systems, particularly those in Australia, where density in cities

6768-526: The project "The Luohu, Huanggang / Lok Ma Chau border crossing passenger rail connection project", stressing that the project is designed to meet the potential growing demand for cross-border passenger traffic after the handover. In 1997, Shenzhen reapplied its Subway plans to the State Planning Commission, and received approval in May 1998. The project was renamed the "Shenzhen Metro first phase". In July 1998, SZMC (Shenzhen Metro Group).

6862-828: The projects proposed to be included in its phase V expansion. A total of 227 km (141 mi) of new lines are proposed. On March 31, 2023, the Bureau of Housing and Urban Rural Development of Shenzhen Metro Municipality will open the bidding for the fifth phase planning of Shenzhen Metro Metro, including Line 15, Line 17 Phase I, Line 19 Phase I, Line 20 Phase II (Airport East—Baishizhou), Line 22 Phase I, Line 25 Phase I, Line 27 Phase I, Line 29 Phase I and Line 32 Phase I, This means that these 9 lines have been approved with an investment amount of 191.1 billion yuan. However, Line 18 Phase I, Line 21 Phase I, Line 10 East Extension (Shenzhen Section) and Metro Line 11 North Extension (Shenzhen Section), which were previously proposed to be included in

6956-908: The rapid transit system varies greatly between cities, with several transport strategies. Some systems may extend only to the limits of the inner city, or to its inner ring of suburbs with trains making frequent station stops. The outer suburbs may then be reached by a separate commuter rail network where more widely spaced stations allow higher speeds. In some cases the differences between urban rapid transit and suburban systems are not clear. Rapid transit systems may be supplemented by other systems such as trolleybuses , regular buses , trams , or commuter rail. This combination of transit modes serves to offset certain limitations of rapid transit such as limited stops and long walking distances between outside access points. Bus or tram feeder systems transport people to rapid transit stops. Each rapid transit system consists of one or more lines , or circuits. Each line

7050-542: The rubber tires. However, they have higher maintenance costs and are less energy efficient. They also lose traction when weather conditions are wet or icy, preventing above-ground use of the Montréal Metro and limiting it on the Sapporo Municipal Subway, but not rubber-tired systems in other cities. Some cities with steep hills incorporate mountain railway technologies in their metros. One of

7144-476: The same as Line 2. Line 9, formerly known as Meilin line or Neihuan line of the Shenzhen Metro, opened on October 28, 2016. The line runs eastward from Qianwan to Wenjin . It has 10 transfer stations. The line is 36.18 km (22.48 mi) long, running through the districts of Nanshan, Futian and Luohu. The line is operated by SZMC (Shenzhen Metro Group). Line 9's color is grey brown . Line 10 formerly known as Bantian line, runs from Futian Checkpoint in

7238-423: The same top speed as line 11, at 120 km/h (75 mph). The line is operated by SZMC (Shenzhen Metro Group). Line 20's color is light blue . In late 1983, Party Secretary of Shenzhen Mayor Liang Xiang led a team to Singapore to study its mass transit system. Upon returning it was decided that 30 metres (98 ft 5 in) on each side of Shennan Avenue should be protected as a green belt, and to set aside

7332-479: The shortening of the Phase III implementation period, a number of lines (Lines 16 and 12) planned in 2007's Phase III moved into the next phase. By 2016, it was determined that Phase IV will have an implementation period between 2017 and 2022 and consist of 274 km (170 mi) of new subway. Lines 13 and 14 which originally had a long term 2030 completion deadline were moved into Phase IV expansion. In addition,

7426-592: The south to Shuangyong Street in the north, with a length of 29.3 km (18.2 mi) and a total of 24 stations. Construction began in September 2015 and the line opened on August 18, 2020. The line is operated by SZMC (Shenzhen Metro Group). Line 10's color is pink . Line 11, also known as the Airport Express, runs from Bitou in the northwest to Gangxia North in the city centre via Shenzhen Bao'an International Airport. Construction began in April 2012 and

7520-663: The suburbs, allowing a higher service frequency in the center. This arrangement is used by many systems, such as the Copenhagen Metro , the Milan Metro , the Oslo Metro , the Istanbul Metro and the New York City Subway . Alternatively, there may be a single central terminal (often shared with the central railway station), or multiple interchange stations between lines in the city center, for instance in

7614-714: The term subway . In Thailand , it stands for Metropolitan Rapid Transit , previously using the Mass Rapid Transit name. Outside of Southeast Asia, Kaohsiung and Taoyuan, Taiwan , have their own MRT systems which stands for Mass Rapid Transit , as with Singapore and Malaysia . In general rapid transit is a synonym for "metro" type transit, though sometimes rapid transit is defined to include "metro", commuter trains and grade separated light rail . Also high-capacity bus-based transit systems can have features similar to "metro" systems. The opening of London's steam-hauled Metropolitan Railway in 1863 marked

7708-530: The term Subway into railway terminology. Both railways, alongside others, were eventually merged into London Underground . The 1893 Liverpool Overhead Railway was designed to use electric traction from the outset. The technology quickly spread to other cities in Europe , the United States, Argentina, and Canada, with some railways being converted from steam and others being designed to be electric from

7802-400: The total planned length of the Shenzhen Metro to 720 km (447 mi) spread out over 20 lines. The first phase of Line 20 was fast-tracked and included in the Phase III revised expansion with a completion date of 2018. This leaves Line 15, 17–19 and the rest of Line 20 available for the next phase (Phase V) of subway expansion. In September 2022, the Shenzhen municipal government confirmed

7896-599: The trains operated at 15-minute frequencies and consisted of Line 1 services between Luohu and Shijie Zhi Chuang (now Window of the World) and the Line 4 services between Fumin and Shaonian Gong (now Children's Palace). Initially the English names of the stations were rendered in Hanyu Pinyin , but some of the names were changed to English translation with American spelling like the rest of mainland China , despite being close to

7990-511: The trains, requiring custom-made trains in order to minimize gaps between train and platform. They are typically integrated with other public transport and often operated by the same public transport authorities . Some rapid transit systems have at-grade intersections between a rapid transit line and a road or between two rapid transit lines. The world's first rapid transit system was the partially underground Metropolitan Railway which opened in 1863 using steam locomotives , and now forms part of

8084-442: The two cities in residents' minds, boost tourism industries in both cities and expand housing options. It would also allow for direct connection between Hong Kong and Dongguan . As the area in the proposed area is less developed, the cost in building the line is expected to be lower, with a feasibility study yet to be conducted. In addition to metro lines, 5 Pearl River Delta Rapid Transit lines connecting neighboring urban centers in

8178-544: The use of communications-based train control : the minimum headway can reach 90 seconds, but many systems typically use 120 seconds to allow for recovery from delays. Typical capacity lines allow 1,200 people per train, giving 36,000 passengers per hour per direction . However, much higher capacities are attained in East Asia with ranges of 75,000 to 85,000 people per hour achieved by MTR Corporation 's urban lines in Hong Kong. Rapid transit topologies are determined by

8272-1093: The world . By 2035, the network is planned to comprise 8 express and 24 non-express lines totaling 1,142 kilometres (710 miles) of trackage. Currently the network has 555.43 kilometres (345.13 miles) of route, operating on 16 lines with 373 stations. Line 1, Line 4 and Line 10 run to the border crossings between the Shenzhen Special Economic Zone and the Hong Kong Special Administrative Region at Luohu / Lo Wu and Futian Checkpoint / Lok Ma Chau , where riders can transfer to Hong Kong's MTR East Rail line for travel onwards to Hong Kong. Partial: Luohu ↔ Zhuzilin, Zhuzilin ↔ Airport East, Luohu ↔ Qianhaiwan, Luohu ↔ Xixiang 6B 7 9 10 11 12 14 16 Line 1, formerly known as Luobao line, runs westward from Luohu to Airport East . Trains operate every 2 minutes during peak hours and every 4 minutes at other times. The line

8366-559: Was Singapore's Mass Rapid Transit (MRT) system, which launched its first underground mobile phone network using AMPS in 1989. Many metro systems, such as the Hong Kong Mass Transit Railway (MTR) and the Berlin U-Bahn, provide mobile data connections in their tunnels for various network operators. The technology used for public, mass rapid transit has undergone significant changes in the years since

8460-899: Was developed further. Other Central European countries also have metro lines, for example in the cities of Budapest (Hungary), Prague (Czech Republic) and Warsaw (Poland). In Eastern Europe , metro systems are in operation in Minsk (Belarus), Kyiv (Ukraine), Riga (Latvia), Vilnius (Lithuania) and Moscow (Russia). In Southeastern European countries, there are metro systems in Athens and Thessaloniki (Greece), Belgrade (Serbia), Sofia (Bulgaria) and Istanbul (Turkey). In Northern Europe , rapid transit systems exist in Copenhagen (Denmark), Oslo (Norway), Stockholm (Sweden) and Helsinki (Finland). Various terms are used for rapid transit systems around North America . The term metro

8554-531: Was finally approved by the Central Planning Department in 1992. In August 1992, during and re-feasibility and rail network planning, The Shenzhen Municipal Government decided to move from building a light metro line to a heavy rail subway line. The rapid growth of Shenzhen City made a lower capacity light metro line impractical. In 1994, Shenzhen organized the preparation of the "Shenzhen urban rail network master plan" to be incorporated into

8648-447: Was formally established. By April 1999, the subway project feasibility study report has been approved by the state. Construction of the first sections of Line 1 and Line 4 began in 1999. The grand opening of the Shenzhen Metro system occurred at 5:00 pm on Tuesday, December 28, 2004. This made Shenzhen the seventh city in mainland China to have a subway after Beijing , Tianjin , Shanghai , Guangzhou , Dalian and Wuhan . Initially

8742-702: Was low and suburbs tended to spread out . Since the 1970s, the viability of underground train systems in Australian cities, particularly Sydney and Melbourne , has been reconsidered and proposed as a solution to over-capacity. Melbourne had tunnels and stations developed in the 1970s and opened in 1980. The first line of the Sydney Metro was opened in 2019. Since the 1960s, many new systems have been introduced in Europe , Asia and Latin America . In

8836-450: Was ridiculed as "earthworm speed". On January 17, 2007, Shenzhen won the right to host the 2011 Universiade . In the bid Shenzhen committed to complete 155 km (96 mi) of subway lines before the games. The mayor of Shenzhen at the time, Xu Zongheng, sharply criticized the speed and efficiency of Shenzhen's subway construction procedures and calls for reform. Subsequently, the Shenzhen municipal government and various departments signed

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