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136-445: [REDACTED] The Beijing Subway is the rapid transit system of Beijing Municipality that consists of 27 lines including 22 rapid transit lines, two airport rail links , one maglev line and two light rail tram lines, and 490 stations . The rail network extends 836 km (519 mi) across 12 urban and suburban districts of Beijing and into one district of Langfang in neighboring Hebei province. In December 2023,

272-426: A PIN can be added to a Complex Card. Complex Cards used to provide account information have been developed for: The latest generation of battery free, button free, Complex Cards can display a balance or other kind of information without requiring any input from the card holder. The information is updated during the use of the card. For instance, in a transit card, key information such as the monetary value balance,

408-410: A French financial institution. This pilot featured acoustic tones as a means of authentication. Although Complex Cards were developed since the inception of the smart card industry, they only reached maturity after 2010. Complex Cards can accommodate various peripherals including: While first generation Complex Cards were battery powered, the second generation is battery-free and receives power through

544-607: A QR code with effective periods of one to seven days. Previous fare schedules On December 28, 2014, the Beijing Subway switched from a fixed-fare schedule to the current distance-based fare schedule for all lines except the Capital Airport Express . Prior to the December 28, 2014, fare increase, passengers paid a flat rate of RMB(¥) 2.00 (including unlimited fare-free transfers) for all lines except

680-425: 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

816-481: A card and reader. They are becoming more popular for payment and ticketing. Typical uses include mass transit and motorway tolls. Visa and MasterCard implemented a version deployed in 2004–2006 in the U.S., with Visa's current offering called Visa Contactless . Most contactless fare collection systems are incompatible, though the MIFARE Standard card from NXP Semiconductors has a considerable market share in

952-454: 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

1088-651: 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

1224-583: 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

1360-424: A credit or debit card, used as a security feature for card-not-present (CNP) payment card transactions to reduce the incidence of fraud. The Card Security Code (CSC) is to be given to the merchant by the cardholder to complete a card-not-present transaction. The CSC is transmitted along with other transaction data and verified by the card issuer. The Payment Card Industry Data Security Standard (PCI DSS) prohibits

1496-405: 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

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1632-418: 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

1768-652: 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 ,

1904-452: 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

2040-615: 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

2176-418: A minimum wait time of 14 minutes. On August 15, the initial line was extended to Yuquan Lu and had 13 stations over 15.6 km (9.7 mi). On November 7, the line was extended again, to Gucheng Lu, and had 16 stations over 22.87 km (14.21 mi). The number of trains per day rose to 100. Overall, the line delivered 8.28 million rides in 1971, averaging 28,000 riders per day. From 1971 to 1975,

2312-535: A notice stating unauthorized access to magnetic strips costing Target over 300 million dollars along with the increasing cost of online credit theft was enough for the United States to invest in the technology. The adaptation of EMV's increased significantly in 2015 when the liability shifts occurred in October by the credit card companies. Contactless smart cards do not require physical contact between

2448-477: A paying adult. Senior citizens over the age of 65, individuals with physical disabilities, retired revolutionary cadres, police and army veterans who had been wounded in action, military personnel and People's Armed Police can ride the subway for free. Unlimited-rides fare Since January 20, 2019, riders can purchase unlimited rides fare tickets using the Yitongxing (亿通行) APP on smartphones, which generates

2584-483: A phone app. A May 2018 upgrade allowed entrance via scanning a QR code from the same app. Since the COVID-19 pandemic, a name and Chinese Resident Identity Card number must be entered when buying single-ride tickets for contact tracing purposes. This measure has been criticized for increasing the time spent buying tickets. Beijing Subway lines generally follow the checkerboard layout of the city. Most lines through

2720-532: A plastic card in the late 1960s. The idea of incorporating an integrated circuit chip onto a plastic card was first introduced by the German engineer Helmut Gröttrup . In February 1967, Gröttrup filed the patents DE1574074 and DE1574075 in West Germany for a tamper-proof identification switch based on a semiconductor device and described contactless communication via inductive coupling. Its primary use

2856-951: A rapid transit setting. Integrated circuit card A smart card ( SC ), chip card , or integrated circuit card ( ICC or IC card ), is a card used to control access to a resource. It is typically a plastic credit card-sized card with an embedded integrated circuit (IC) chip. Many smart cards include a pattern of metal contacts to electrically connect to the internal chip. Others are contactless , and some are both. Smart cards can provide personal identification, authentication, data storage, and application processing. Applications include identification, financial, public transit, computer security, schools, and healthcare. Smart cards may provide strong security authentication for single sign-on (SSO) within organizations. Numerous nations have deployed smart cards throughout their populations. The universal integrated circuit card (UICC) for mobile phones, installed as pluggable SIM card or embedded eSIM ,

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2992-565: 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

3128-406: A static CSC. The first generation of Dynamic CSC cards, developed by NagraID Security required a battery, a quartz and Real Time Clock (RTC) embedded within the card to power the computation of a new Dynamic CSC, after expiration of the programmed period. The second generation of Dynamic CSC cards, developed by Ellipse World, Inc., does not require any battery, quartz, or RTC to compute and display

3264-647: A subsidiary of China South Locomotive and Rolling Stock Industry Corp. Line S1's maglev trains were produced by CRRC Tangshan . The Beijing Subway Rolling Stock Equipment Co. Ltd. , a wholly owned subsidiary of the Beijing Mass Transit Railway Operation Corp. Ltd. , provides local assemblage, maintenance and repair services. There will be 6 fully automated lines at the level of GoA4 , including 4 lines in operation (the Yanfang line , Line 17 and Line 19 and

3400-608: 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

3536-520: A total of 655 million rides delivered in 2007, the government's subsidy averaged ¥0.92 per ride. As part of the urban re-development for the 2008 Olympics, the subway system was significantly expanded.In the summer of 2008, in anticipation of the Summer Olympic Games, three new lines— Line 10 (Phase 1), Line 8 (Phase 1) and the Capital Airport Express —opened on July 19. The use of paper tickets, hand checked by clerks for 38 years,

3672-522: A wide variety of components. The choice of components drives functionality, influences cost, power supply needs, and manufacturing complexity. Depending on Complex Card types, buttons have been added to allow an easy interaction between the user and the card. Typically, these buttons are used to: While separate keys have been used on prototypes in the early days, capacitive keyboards are the most popular solution now, thanks to technology developments by AudioSmartCard International SA. The interaction with

3808-801: 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

3944-608: 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

4080-401: Is also a type of smart card. As of 2015 , 10.5   billion smart card IC chips are manufactured annually, including 5.44   billion SIM card IC chips. The basis for the smart card is the silicon integrated circuit (IC) chip. It was invented by Robert Noyce at Fairchild Semiconductor in 1959. The invention of the silicon integrated circuit led to the idea of incorporating it onto

4216-540: Is an integrated circuit card that stores credit for the subway, urban and suburban buses and e-money for other purchases. The Yikatong card itself must be purchased at the ticket counter. To enter a station, the Yikatong card must have a minimum balance of ¥3.00. Upon exiting the system, single-ride tickets are inserted into the turnstile, which are reused by the system. To prevent fraud, passengers are required to complete their journeys within four hours upon entering

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4352-506: 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

4488-575: Is extending evening operations of all lines by one to three hours (to 1-2 a.m.) through the duration of the Games. The subway set a daily ridership record of 4.92 million on August 22, 2008, the day of the Games' closing ceremony . In 2008, total ridership rose by 75% to 1.2 billion. After the Chinese government announced a ¥4 trillion economic stimulus package in November 2008 ,

4624-527: Is less harmful to the environment than traditional PVC cards. Smart cards are also being introduced for identification and entitlement by regional, national, and international organizations. These uses include citizen cards, drivers’ licenses, and patient cards. In Malaysia , the compulsory national ID MyKad enables eight applications and has 18 million users. Contactless smart cards are part of ICAO biometric passports to enhance security for international travel. Complex Cards are smart cards that conform to

4760-626: Is managed by the MTR Corporation through a joint venture with the city. In 2009, the subway delivered 1.457 billion rides, 19.24% of mass transit trips in Beijing. 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

4896-416: 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

5032-555: 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

5168-412: 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

5304-559: Is that new information is transmitted with the payment transactions, thus making it useless for a potential fraudster to memorize or store it. A transaction with a Dynamic Card Security Code is carried out exactly the same way, with the same processes and use of parameters as a transaction with a static code in a card-not-present transaction. Upgrading to a DCSC allows cardholders and merchants to continue their payment habits and processes undisturbed. Complex Cards can be equipped with biometric sensors allowing for stronger user authentication. In

5440-695: 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

5576-514: Is the oldest metro system in mainland China and on the mainland of East Asia . Before the system began its rapid expansion in 2002, the subway had only two lines. The existing network still cannot adequately meet the city's mass transit needs. Beijing Subway's extensive expansion plans call for 998.5 km (620.4 mi) of lines serving a projected 18.5 million trips every day when Phase 2 Construction Plan finished (around 2025). The most recent expansion came into effect on December 30, 2023, with

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5712-458: The Capital Airport Express , which cost ¥25, The flat fare was the lowest among metro systems in China . Before the flat fare schedule was introduced on October 7, 2007, fares ranged from ¥3 to ¥7, depending on the line and number of transfers. Each station has two to fifteen ticket vending machines. Ticket vending machines on all lines can add credit to Yikatong cards. Single-ride tickets take

5848-699: The Daxing Airport Express ) and 2 lines under construction ( Line 3 and Line 12 ), using domestically developed communications-based train control systems. The subway was proposed in September 1953 by the city's planning committee and experts from the Soviet Union . After the end of the Korean War , Chinese leaders turned their attention to domestic reconstruction. They were keen to expand Beijing's mass transit capacity but also valued

5984-627: 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

6120-752: 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

6256-474: The ISO/IEC 14443 standard, and magstripe. Developers of Complex Cards target several needs when developing them: A Complex Card can be used to compute a cryptographic value, such as a One-time password . The One-Time Password is generated by a cryptoprocessor encapsulated in the card. To implement this function, the crypto processor must be initialized with a seed value, which enables the identification of

6392-459: The ISO/IEC 7810 standard and include components in addition to those found in traditional single chip smart cards. Complex Cards were invented by Cyril Lalo and Philippe Guillaud in 1999 when they designed a chip smart card with additional components, building upon the initial concept consisting of using audio frequencies to transmit data patented by Alain Bernard. The first Complex Card prototype

6528-429: 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

6664-740: 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

6800-622: The Ming city wall. Fares doubled to ¥0.20 for single-line rides and ¥0.30 for rides with transfers. Ridership reached 307 million in 1988. The subway was closed from June 3–4, 1989 during the suppression of the Tiananmen Square demonstrations . In 1990, the subway carried more than one million riders per day for the first time, as total ridership reached 381 million. After a fare hike to ¥0.50 in 1991, annual ridership declined slightly to 371 million. On January 26, 1991, planning began on

6936-578: 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

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7072-589: 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

7208-685: 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

7344-450: 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

7480-409: 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

7616-432: 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

7752-488: 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

7888-621: 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

8024-532: 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

8160-644: The Arimura Technology Institute in Japan developed a similar idea of incorporating an integrated circuit onto a plastic card, and filed a smart card patent in March 1970. The following year, Paul Castrucci of IBM filed an American patent titled "Information Card" in May 1971. In 1974 Roland Moreno patented a secured memory card later dubbed the "smart card". In 1976, Jürgen Dethloff introduced

8296-492: The Beijing Subway became the world's longest metro system by route length , surpassing the Shanghai Metro . With 3.8484 billion trips delivered in 2018 (10.544 million trips per day) and single-day ridership record of 13.7538 million set on July 12, 2019, the Beijing Subway was the world's busiest metro system in the years immediately prior to the outbreak of the COVID-19 pandemic . The Beijing Subway opened in 1971 and

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8432-641: The Beijing urban planning commission further expedited subway building plans, especially for elevated lines to suburban districts that are cheaper to build. In December 2008, the commission moved completion dates of the Yizhuang and Daxing Lines to 2010 from 2012, finalized the route of the Fangshan Line, and unveiled the Changping and Xijiao Lines. Line 4 started operation on September 28, 2009, bringing subway service to much of western Beijing. It

8568-489: The EMV system was released in 1994. In 1998 the specifications became stable. EMVCo maintains these specifications. EMVco's purpose is to assure the various financial institutions and retailers that the specifications retain backward compatibility with the 1998 version. EMVco upgraded the specifications in 2000 and 2004. EMV compliant cards were first accepted into Malaysia in 2005 and later into United States in 2014. MasterCard

8704-507: The EMV technology in 2014, with the deployment still in progress in 2019. Typically, a country's national payment association, in coordination with MasterCard International, Visa International, American Express and Japan Credit Bureau (JCB), jointly plan and implement EMV systems. Historically, in 1993 several international payment companies agreed to develop smart-card specifications for debit and credit cards. The original brands were MasterCard, Visa, and Europay . The first version of

8840-586: The Line 2 loop, marking the old Ming-Qing era city of Beijing . Each of the following lines provides service predominantly to one or more of the suburbs beyond the 5th Ring Road . Lines 15, S1 along with the Changping, Daxing, Yanfang lines extend beyond the 6th Ring Road . According to the Phase 2 construction plan approved by the NDRC in 2015, the length of Beijing Subway will reach 998.5 km (620.4 mi) when

8976-567: The Marines corps (USMC) at Parris Island allowing small amount payments at the cafeteria. Since the 1990s, smart cards have been the subscriber identity modules (SIMs) used in GSM mobile-phone equipment. Mobile phones are widely used across the world, so smart cards have become very common. Europay MasterCard Visa (EMV)-compliant cards and equipment are widespread with the deployment led by European countries. The United States started later deploying

9112-587: The Moscow Metro, was invited to plan the subway in Beijing. From 1953 to 1960, several thousand Chinese university students were sent to the Soviet Union to study subway construction. An early plan unveiled in 1957 called for one ring route and six other lines with 114 stations and 172 km (107 mi) of track. Two routes vied for the first to be built. One ran east–west from Wukesong to Hongmiao, underneath Changan Avenue. The other ran north–south from

9248-623: The OTPs respective of each card. The hash of seed value has to be stored securely within the card to prevent unauthorized prediction of the generated OTPs. One-Time Passwords generation is based either on incremental values (event based) or on a real time clock (time based). Using clock-based One-Time Password generation requires the Complex Card to be equipped with a Real-time clock . Complex Cards used to generate One Time Password have been developed for: A Complex Card with buttons can display

9384-499: The Phase 2 construction finished. By then, public transit will comprise 60% of all trips. Of those, the subway will comprise 62%. The adjustment of the Phase 2 construction plan was approved by the NDRC on December 5, 2019. Which altered and expanded some projects in the Phase 2 construction plan. Including adjusting alignments of Line 22 and Line 28 and additional projects such as the Daxing Airport Line north extension,

9520-591: The Qianmen gate and its arrow tower by slightly altering the course of the subway. The initial line was completed and began trial operations in time to mark the 20th anniversary of the founding of the People's Republic on October 1, 1969. It ran 21 km (13 mi) from Gucheng to the Beijing Railway Station and had 16 stations. This line forms parts of present-day Lines 1 and 2. It

9656-565: The Summer Palace to Zhongshan Park , via Xizhimen and Xisi. The former was chosen due to more favorable geological foundation and greater number of government bureaus served. The second route would not be built until construction on Line 4 began forty years later. The original proposal called for deep subway tunnels that can better serve military functions. Between Gongzhufen and Muxidi , shafts as deep as 120 m (390 ft) were being dug. The world's deepest subway station at

9792-487: The Télécarte, microchips were integrated into all French Carte Bleue debit cards in 1992. Customers inserted the card into the merchant's point-of-sale (POS) terminal, then typed the personal identification number (PIN), before the transaction was accepted. Only very limited transactions (such as paying small highway tolls ) are processed without a PIN. Smart-card-based " electronic purse " systems store funds on

9928-508: The US and Europe. Use of "Contactless" smart cards in transport has also grown through the use of low cost chips NXP Mifare Ultralight and paper/card/PET rather than PVC. This has reduced media cost so it can be used for low cost tickets and short term transport passes (up to 1 year typically). The cost is typically 10% that of a PVC smart card with larger memory. They are distributed through vending machines, ticket offices and agents. Use of paper/PET

10064-404: The balance of one or multiple account(s) linked to the card. Typically, either one button is used to display the balance in the case of a single account card or, in the case of a card linked to multiple accounts, a combination of buttons is used to select a specific account's balance. For additional security, features such as requiring the user to enter an identification or a security value such as

10200-478: 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

10336-761: The bureau was placed under the authority of Beijing Municipal Transportation Department. On April 20, 1981, the bureau became the Beijing Subway Company, which was a subsidiary of the Beijing Public Transportation Company. In July 2001, the Beijing Municipal Government reorganized the subway company into the Beijing Subway Group Company Ltd., a wholly city-owned holding company, which assumed ownership of all of

10472-611: The card, so that readers do not need network connectivity. They entered European service in the mid-1990s. They have been common in Germany ( Geldkarte ), Austria ( Quick Wertkarte ), Belgium ( Proton ), France ( Moneo ), the Netherlands ( Chipknip Chipper (decommissioned in 2015)), Switzerland ("Cash"), Norway (" Mondex "), Spain ("Monedero 4B"), Sweden ("Cash", decommissioned in 2004), Finland ("Avant"), UK ("Mondex"), Denmark ("Danmønt") and Portugal ("Porta-moedas Multibanco"). Private electronic purse systems have also been deployed such as

10608-451: The city won the bid to host the 2008 Summer Olympics and accelerated plans to expand the subway. From 2002 to 2008, the city planned to invest ¥63.8 billion (US$ 7.69 billion) in subway projects and build an ambitious "three ring, four horizontal, five vertical and seven radial" subway network. Work on Line 5 had already begun on September 25, 2000. Land clearing for Lines 4 and 10 began in November 2003 and construction commenced by

10744-701: The connecting line between Yizhuang line , Line 5 and Line 10 . The Beijing Subway is owned by the Beijing Municipal People's Government through the Beijing Infrastructure Investment Co., LTD, (北京市基础设施投资有限公司 or BIIC), a wholly owned subsidiary of the Beijing State-owned Assets Supervision and Administration Commission (北京市人民政府国有资产监督管理委员会 or Beijing SASAC), the municipal government's asset holding entity. The Beijing Subway

10880-591: The control of the People's Liberation Army in early 1970, but reliability problems persisted. On January 15, 1971, the initial line began operation on a trial basis between the Beijing railway station and Gongzhufen . Single ride fare was set at ¥ 0.10 and only members of the public with credential letters from their work units could purchase tickets. The line was 10.7 km (6.6 mi) in length, had 10 stations and operated more than 60 train trips per day with

11016-414: 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

11152-538: The eastward extension of Line 1 under Chang'an Avenue from Fuxingmen. The project was funded by a 19.2 billion yen low-interest development assistance loan from Japan. Construction began on the eastern extension on June 24, 1992, and the Xidan station opened on December 12, 1992. The remaining extension to Sihuidong was completed on September 28, 1999. National leaders Wen Jiabao , Jia Qinglin , Yu Zhengsheng and mayor Liu Qi were on hand to mark

11288-617: The end of the year. Most new subway construction projects were funded by loans from the Big Four state banks. Line 4 was funded by the Beijing MTR Corporation, a joint-venture with the Hong Kong MTR . To achieve plans for 19 lines and 561 km (349 mi) by 2015, the city planned to invest a total of ¥200 billion ($ 29.2 billion). The next additions to the subway were surface commuter lines that linked to

11424-611: 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

11560-516: 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

11696-528: The form of an RFID-enabled flexible plastic card. Passengers must insert the ticket or scan the card at the gate both before entering and exiting the station. The subway's fare collection gates accept single-ride tickets and the Yikatong fare card. Passengers can purchase tickets and add credit to Yikatong card at ticket counters or vending machines in every station. The Yikatong , also known as Beijing Municipal Administration & Communication Card (BMAC),

11832-506: The heart of the capital to the Western Hills. On February 4, 1965, Chairman Mao Zedong personally approved the project. Construction began on July 1, 1965, at a groundbreaking ceremony attended by several national leaders including Zhu De , Deng Xiaoping , and Beijing mayor Peng Zhen . The most controversial outcome of the initial subway line was the demolition of the Beijing's historic inner city wall to make way for

11968-439: 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

12104-694: The known element (called "the secret") to identify gate user as of USP 4105156. In 1977, Michel Ugon from Honeywell Bull invented the first microprocessor smart card with two chips : one microprocessor and one memory , and in 1978, he patented the self-programmable one-chip microcomputer (SPOM) that defines the necessary architecture to program the chip. Three years later, Motorola used this patent in its "CP8". At that time, Bull had 1,200 patents related to smart cards. In 2001, Bull sold its CP8 division together with its patents to Schlumberger , who subsequently combined its own internal smart card department and CP8 to create Axalto . In 2006, Axalto and Gemplus, at

12240-602: 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

12376-557: 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

12512-418: 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

12648-617: The network, high capacity Type A trains are increasingly being used. Additionally, Type D trains are being used in express subway lines. Until 2003 nearly all trains were manufactured by the Changchun Railway Vehicles Company ;Ltd. , now a subsidiary of the China CNR Corporation . The newest Line 1 trains and those on Lines 4, 8, Batong, Changping and Daxing are made by Qingdao Sifang Locomotive & Rolling Stock Co. ,

12784-542: The new dynamic code. Instead, the card obtains its power either through the usual card connector or by induction during every EMV transaction from the Point of Sales (POS) terminal or Automated Teller Machine (ATM) to compute a new DCSC. The Dynamic CSC, also called dynamic cryptogram, is marketed by several companies, under different brand names: The advantage of the Dynamic Card Security Code (DCSC)

12920-402: 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

13056-547: The north and east of the city. Line 13 , a half loop that links the northern suburbs, first opened on the western half from Huilongguan to Xizhimen on September 28, 2002 and the entire line became operational on January 28, 2003. Batong line , built as an extension to Line 1 to Tongzhou District , was opened as a separate line on December 27, 2003. Work on these two lines had begun respectively in December 1999 and 2000. Ridership hit 607 million in 2004. Line 5 came into operation on October 7, 2007. It

13192-500: The number of remaining trips or the expiry date of a transit pass can be displayed. A Complex Card being deployed as a payment card can be equipped with capability to provide transaction security. Typically, online payments are made secure thanks to the Card Security Code (CSC) , also known as card verification code (CVC2), or card verification value (CVV2). The card security code (CSC) is a 3 or 4 digits number printed on

13328-408: The occasion. The full-length of Line 1 became operational on June 28, 2000. Despite little track expansion in the early 1990s, ridership grew rapidly to reach a record high of 558 million in 1995, but fell to 444 million the next year when fares rose from ¥0.50 to ¥2.00. After fares rose again to ¥3.00 in 2000, annual ridership fell to 434 million from 481 million in 1999. In the summer of 2001,

13464-902: 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

13600-603: 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

13736-664: The openings of extensions to Line 11 , Line 16 , and Line 17 . Single-ride fare The Beijing Subway charges single-ride fare according to trip distance for all lines except the two airport express lines. Same-station transfers are free on all subway lines except the two Airport Express lines, the Xijiao Line and the Yizhuang T1 Line , which require the purchase of a new fare when transferring to or from those lines. Fare free riders Children below 1.3 metres (51 in) in height ride for free when accompanied by

13872-587: 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

14008-466: The public. This horseshoe-shaped line was created from the eastern half of the initial line and corresponds to the southern half of the present-day Line 2. It ran 16.1 km (10.0 mi) from Fuxingmen to Jianguomen with 16 stations. Ridership reached 105 million in 1985. On December 28, 1987, the two existing lines were reconfigured into Lines 1, which ran from Pingguoyuan to Fuxingmen and Line 2, in its current loop, tracing

14144-908: 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

14280-542: 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

14416-482: The smart chip technology to protect itself from future credit card identity theft. Before 2014, the consensus in America was that there were enough security measures to avoid credit card theft and that the smart chip was not necessary. The cost of the smart chip technology was significant, which was why most of the corporations did not want to pay for it in the United States. The debate finally ended when Target sent out

14552-594: The storage of the CSC by the merchant or any stakeholder in the payment chain. Although designed to be a security feature, the static CSC is susceptible to fraud as it can easily be memorized by a shop attendant, who could then use it for fraudulent online transactions or sale on the dark web. This vulnerability has led the industry to develop a Dynamic Card Security Code (DCSC) that can be changed at certain time intervals, or after each contact or contactless EMV transaction. This Dynamic CSC brings significantly better security than

14688-663: 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

14824-511: The subway as an asset for civil defense. They studied the use of the Moscow Metro to protect civilians, move troops and headquarter military command posts during the Battle of Moscow , and planned the Beijing Subway for both civilian and military use. At that time, the Chinese lacked expertise in building subways and drew heavily on Soviet and East German technical assistance. In 1954, a delegation of Soviet engineers, including some who had built

14960-509: The subway remained prone to closures due to fires, flooding, and accidents. Annual ridership grew from 22.2 million in 1976 and 28.4 million in 1977 to 30.9 million in 1978, and 55.2 million in 1980. On April 20, 1981, the Beijing Subway Company , then a subsidiary of the Beijing Public Transportation Company, was organized to take over subway operations. On September 15, 1981, the initial line passed its final inspections, and

15096-516: The subway was shut down for 398 days for political reasons. On December 27, 1972, the riders no longer needed to present credential letters to purchase tickets. In 1972, the subway delivered 15 million rides and averaged 41,000 riders per day. In 1973, the line was extended to Pingguoyuan and reached 23.6 km (14.7 mi) in length with 17 stations and 132 train trips per day. The line delivered 11 million rides in 1973, averaging 54,000 riders per day. Despite its return to civilian control in 1976,

15232-507: The subway's assets. In November 2003, the assets of the Beijing Subway Group Company were transferred to the newly created BIIC. The Beijing Subway has five operators: All subway train sets run on 1,435 millimetres (56.5 in) standard gauge rail, except the maglev trains on Line S1 , which run on a maglev track. Beijing Subway operates Type B trains on most lines. However, due to increasing congestion on

15368-538: The subway. Construction plans for the subway from Fuxingmen to the Beijing Railway Station called for the removal of the wall, as well as the gates and archery towers at Hepingmen, Qianmen, and Chongwenmen. Leading architect Liang Sicheng argued for protecting the wall as a landmark of the ancient capital. Chairman Mao favored demolishing the wall over demolishing homes. In the end, Premier Zhou Enlai managed to preserve several walls and gates, such as

15504-809: The subway. If the four-hour limit is exceeded, a surcharge of ¥3 is imposed. Each Yikatong card is allowed to be overdrawn once. The overdrawn amount is deducted when credits are added to the card. Yikatong card users who spend more than ¥100 on subway fare in a calendar month will receive credits to their card the following month. After reaching ¥100 of spending in one calendar month, 20% of any further spending up to ¥150 will be credited. When spending exceeds ¥150, 50% of any further spending up to ¥250 will be credited. Once expenditures exceed ¥400, further spending won't earn any more credits. The credits are designed to ease commuters' burdens of fare increases. Beginning in June 2017, single-journey tickets could be purchased via

15640-506: The surface. The deterioration of relations between China and Soviet Union disrupted subway planning. Soviet experts began to leave in 1960, and were completely withdrawn by 1963. In 1961, the entire project was halted temporarily due to severe hardships caused by the Great Leap Forward . Eventually, planning work resumed. The route of the initial line was shifted westward to create an underground conduit to move personnel from

15776-714: 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

15912-467: 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

16048-493: The time in the Kyiv Metro was only 100 m (330 ft) deep. But Beijing's high water table and high pressure head of ground water which complicated construction and posed risk of leakage, and along with the inconvenience of transporting passengers long distances from the surface, led the authorities to abandon the deep tunnel plan in May 1960 in favor of cut-and-cover shallow tunnels some 20 m (66 ft) below

16184-530: The time the world's top two smart-card manufacturers, merged and became Gemalto . In 2008, Dexa Systems spun off from Schlumberger and acquired Enterprise Security Services business, which included the smart-card solutions division responsible for deploying the first large-scale smart-card management systems based on public key infrastructure (PKI). The first mass use of the cards was as a telephone card for payment in French payphones , starting in 1983. After

16320-511: 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

16456-437: The typical use case, fingerprint sensors are integrated into a payment card to bring a higher level of user authentication than a PIN. To implement user authentication using a fingerprint enabled smart card, the user has to authenticate himself/herself to the card by means of the fingerprint before starting a payment transaction. Several companies offer cards with fingerprint sensors, including: Complex Cards can incorporate

16592-470: The urban core (outlined by the Line 10 loop) run parallel or perpendicular to each other and intersect at right angles. The urban core of Beijing is roughly outlined by the Line 10 loop, which runs underneath or just beyond the 3rd Ring Road . Each of the following lines provides extensive service within the Line 10 loop. All have connections to seven or more lines. Lines 1, 4, 5, 6, 8, and 19 also run through

16728-601: 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

16864-442: The usual card connector and/or induction . Sound, generated by a buzzer, was the preferred means of communication for the first projects involving Complex Cards. Later, with the progress of displays, visual communication is now present in almost all Complex Cards. Complex Cards support all communication protocols present on regular smart cards: contact, thanks to a contact pad as defined ISO/IEC 7816 standard, contactless following

17000-578: The west section of Line 11 and transforming Line 13 into two lines, 13A and 13B. According to the information released in July 2022, the "Beijing Rail Transit Phase III Construction Plan" includes 11 construction projects: Line 1 Branch, Line 7 Phase 3, Line 11 Phase 2, Line 15 Phase 2, Line 17 Phase 2 (Branch), Line 19 Phase 2, Line 20 Phase 1, Fangshan line (Line 25) Phase 3 (also known as Lijin Line), Line M101 Phase 1, Line S6 (New Town Link Line) Phase 1, and

17136-559: 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

17272-434: Was developed collaboratively by Cyril Lalo and Philippe Guillaud, who were working at AudioSmartCard at the time, and Henri Boccia and Philippe Patrice, who were working at Gemplus . It was ISO 7810-compliant and included a battery, a piezoelectric buzzer, a button, and delivered audio functions, all within a 0.84mm thickness card. The Complex Card pilot, developed by AudioSmartCard, was launched in 2002 by Crédit Lyonnais ,

17408-899: 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

17544-536: Was discontinued and replaced by electronic tickets that are scanned by automatic fare collection machines upon entry and exit of the subway. Stations are outfitted with touch screen vending machines that sell single-ride tickets and multiple-ride Yikatong fare cards. The subway operated throughout the night from August 8–9, 2008 to accommodate the Opening Ceremonies of the Olympic Games, and

17680-469: Was handed over to the Beijing Subway Company, ending a decade of trial operations. It had 19 stations and ran 27.6 kilometres (17.1 miles) from Fushouling in the Western Hills to the Beijing railway station. Investment in the project totaled ¥706 million. Annual ridership rose from 64.7 million in 1981 and 72.5 million in 1982 to 82 million in 1983. On September 20, 1984, a second line was opened to

17816-469: Was intended to provide individual copy-protected keys for releasing the tapping process at unmanned gas stations. In September 1968, Gröttrup, together with Jürgen Dethloff as an investor, filed further patents for this identification switch, first in Austria and in 1969 as subsequent applications in the United States, Great Britain, West Germany and other countries. Independently, Kunitaka Arimura of

17952-647: 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

18088-745: Was originally developed and controlled by the Central Government . The subway's construction and planning was headed by a special committee of the State Council . In February 1970, Premier Zhou Enlai handed management of the subway to the People's Liberation Army , which formed the PLA Rail Engineering Corp Beijing Subway Management Bureau. In November 1975, by order of the State Council and Central Military Commission

18224-576: Was the city's first north–south line, extending from Songjiazhuang in the south to Tiantongyuan in the north. On the same day, subway fares were reduced from between ¥3 and ¥7 per trip, depending on the line and number of transfers, to a single flat fare of ¥2 with unlimited transfers. The lower fare policy caused the Beijing Subway to run a deficit of ¥600 million in 2007, which was expected to widen to ¥1 billion in 2008. The Beijing municipal government covered these deficits to encourage mass transit use, and reduce traffic congestion and air pollution. On

18360-401: Was the first company that was allowed to use the technology in the United States. The United States has felt pushed to use the technology because of the increase in identity theft . The credit card information stolen from Target in late 2013 was one of the largest indicators that American credit card information is not safe. Target made the decision on 30 April 2014 that it would try to implement

18496-412: Was the first subway to be built in China, and predates the metros of Hong Kong , Seoul , Singapore , San Francisco , and Washington, D.C. , but technical problems would plague the project for the next decade. Initially, the subway hosted guest visits. On November 11, 1969, an electrical fire killed three people, injured over 100 and destroyed two cars. Premier Zhou Enlai placed the subway under

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