Rapid transit or mass rapid transit ( MRT ) or heavy rail , commonly referred to as metro , is a type of high-capacity public transport that is generally built in urban areas . A grade separated rapid transit line below ground surface through a tunnel can be regionally called a subway , tube , metro or underground . They are sometimes grade-separated on elevated railways , in which case some are referred to as el trains – short for "elevated" – or skytrains . Rapid transit systems are railways , usually electric , that unlike buses or trams operate on an exclusive right-of-way , which cannot be accessed by pedestrians or other vehicles.
131-527: [REDACTED] Two major subway systems ( Japanese : 地下鉄 , Hepburn : chikatetsu ) operate in Tokyo : Tokyo Metro and the Toei Subway . Most of the network is located in the 23 special wards , with portions extending into Chiba and Saitama Prefectures. The subways are one part of Greater Tokyo's passenger rail network , with through service further connecting the subway to suburban railways in Western Tokyo and Kanagawa Prefecture . There are two primary subway operators in Tokyo: As of 2023,
262-425: 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
393-454: 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
524-651: 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
655-583: 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
786-492: A cost of £1.3 million. In that year, Myles Fenton , then serving as assistant manager of the Lancashire and Yorkshire Railway , was appointed as the first manager of the new company. Board of Trade inspections took place in late December 1862 and early January 1863 to approve the railway for opening. After minor signalling changes were made, approval was granted and a few days of operating trials were carried out before
917-405: 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
1048-527: A heavy rainstorm and flooded the excavations. The Met and the Metropolitan Board of Works managed to stem and divert the water and the construction was delayed by only a few months. Trial runs were carried out from November 1861 while construction was still under way. The first trip over the whole line was in May 1862 with William Gladstone among the guests. By the end of 1862, work was complete at
1179-418: 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
1310-652: 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 ,
1441-452: 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
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#17327873619131572-615: 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
1703-536: A railway from Harrow to Aylesbury. Pinner was reached in 1885 and an hourly service from Rickmansworth and Northwood to Baker Street started on 1 September 1887. By then raising money was becoming very difficult although there was local support for a station at Chesham . Authorised in 1885, double track from Rickmansworth was laid for 5 miles (8.0 km), then single to Chesham. Services to Chesham calling at Chorley Wood and Chalfont Road (now Chalfont & Latimer ) started on 8 July 1889. The Met took over
1834-578: A rapid transit setting. Metropolitan Railway The Metropolitan Railway (also known as the Met ) was a passenger and goods railway that served London from 1863 to 1933, its main line heading north-west from the capital's financial heart in the City to what were to become the Middlesex suburbs. Its first line connected the main-line railway termini at Paddington , Euston , and King's Cross to
1965-652: A report in July 1863 with a recommendation for an "inner circuit of railway that should abut, if not actually join, nearly all of the principal railway termini in the Metropolis". A number of railway schemes were presented for the 1864 parliamentary session that met the recommendation in varying ways and a Joint Committee of the Parliament of the United Kingdom was set up to review the options. Proposals from
2096-515: A short distance east of the Met's Paddington station, the western extension passed through fashionable districts in Bayswater , Notting Hill , and Kensington . Land values here were higher and, unlike the original line, the route did not follow an easy alignment under existing roads. Compensation payments for property were much higher. In Leinster Gardens , Bayswater, a façade of two five-storey houses
2227-562: A southern extension to Rickmansworth, connecting with the LNWR's Watford and Rickmansworth Railway . Following discussions between the duke and Watkin it was agreed that this line would be extended south to meet the Met at Harrow and permission for this extension was granted in 1874 and Watkin joined the board of the A&BR in 1875. Money was not found for this scheme and the Met had to return to Parliament in 1880 and 1881 to obtain permission for
2358-565: 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
2489-608: 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
2620-426: A temporary platform at Finchley Road . Double track and a full service to Willesden Green started on 24 November 1879 with a station at Kilburn & Brondesbury (now Kilburn ). The line was extended 5 miles 37.5 chains (8.80 km) to Harrow , the service from Baker Street beginning on 2 August 1880. The intermediate station at Kingsbury Neasden (now Neasden ) was opened the same day. Two years later,
2751-801: 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
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#17327873619132882-608: 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
3013-506: 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
3144-416: 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
3275-555: 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
3406-412: 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
3537-748: 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
3668-627: 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
3799-635: The Great Northern Railway (GNR) at King's Cross, the latter by hoists and lifts. The company's name was also to be changed again, to Metropolitan Railway. royal assent was granted to the Metropolitan Railway Act 1854 ( 17 & 18 Vict. c. ccxxi) on 7 August 1854. Construction of the railway was estimated to cost £1 million. Initially, with the Crimean War under way, the Met found it hard to raise
3930-580: The Great Northern and Metropolitan Junction Railway Act 1860 ( 23 & 24 Vict. c. clxviii). The GWR agreed to contribute £175,000 and a similar sum was promised by the GNR, but sufficient funds to make a start on construction had not been raised by the end of 1857. Costs were reduced by cutting back part of the route at the western end so that it did not connect directly to the GWR station, and by dropping
4061-864: The Greater Tokyo Area operate through services with the Tokyo Metro and Toei lines. Through services operate on all lines except Tokyo Metro Ginza and Marunouchi Lines and Toei Oedo Line . In a broader sense they are considered a part of the Tokyo subway network, allowing it to reach farther out into the suburbs. Network map 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
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4192-537: The Hammersmith and City Railway Act 1861 ( 24 & 25 Vict. c. clxiv) as the Hammersmith and City Railway (H&CR), the 2 miles 35 chains (3.9 km) line, constructed on a 20-foot (6.1 m) high viaduct largely across open fields, opened on 13 June 1864 with a broad-gauge GWR service from Farringdon Street, with stations at Notting Hill (now Ladbroke Grove ), Shepherd's Bush (replaced by
4323-752: 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
4454-429: 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
4585-740: 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
4716-578: 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
4847-589: 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
4978-685: 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
5109-567: The Snow Hill tunnel under Smithfield market to Farringdon and northwards to the GNR. The extension to Aldersgate Street and Moorgate Street (now Barbican and Moorgate ) had opened on 23 December 1865 and all four tracks were open on 1 March 1866. The new tracks from King's Cross to Farringdon were first used by a GNR freight train on 27 January 1868. The Midland Railway junction opened on 13 July 1868 when services ran into Moorgate Street before its St Pancras terminus had opened. The line left
5240-538: The South Eastern Railway (SER), and had an aspiration to construct a line from the north through London to that railway. Owing to the cost of land purchases, the Met's eastward extension from Moorgate Street was slow to progress and it had to obtain an extension of the Act's time limit in 1869. The extension was begun in 1873, but after construction exposed burials in the vault of a Roman Catholic chapel,
5371-557: The Tokyo Metro Fukutoshin Line regularly run into Yokohama's Minatomirai Line via the Tōkyū Tōyoko Line . Both the Tokyo Metro and Toei Subway systems are closely integrated with a unified system of line colors, line codes, and station numbers. However, the separate administration of metro systems has some ramifications: As is common with Japanese subway systems, many above-ground and underground lines in
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5502-450: 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
5633-409: 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
5764-432: 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
5895-488: 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
6026-621: 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
6157-532: 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
6288-403: The A&BR on 1 July 1891 and a temporary platform at Aylesbury opened on 1 September 1892 with trains calling at Amersham , Great Missenden , Wendover and Stoke Mandeville . In 1894, the Met and GWR joint station at Aylesbury opened. Beyond Aylesbury to Verney Junction, the bridges were not strong enough for the Met's locomotives. The GWR refused to help, so locomotives were borrowed from
6419-646: The Circle. In 1873, the M&SJWR was given authority to reach the Middlesex countryside at Neasden, but as the nearest inhabited place to Neasden was Harrow it was decided to build the line 3.5 miles (5.6 km) further to Harrow and permission was granted in 1874. To serve the Royal Agricultural Society 's 1879 show at Kilburn, a single line to West Hampstead opened on 30 June 1879 with
6550-601: The City Widened Lines, were used mainly by other railway companies. A pair of single-track tunnels at King's Cross connecting the GNR to the Met opened on 1 October 1863 when the GNR began running services, the GWR returning the same day with through suburban trains from such places as Windsor. By 1864 the Met had sufficient carriages and locomotives to run its own trains and increase the frequency to six trains an hour. On 1 January 1866, LC&DR and GNR joint services from Blackfriars Bridge began operating via
6681-472: The City. None were successful, and the 1846 Royal Commission on Metropolitan Railway Termini banned construction of new lines or stations in the built-up central area. The concept of an underground railway linking the City with the mainline termini was first proposed in the 1830s. Charles Pearson , Solicitor to the City, was a leading promoter of several schemes and in 1846 proposed a central railway station to be used by multiple railway companies. The scheme
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#17327873619136812-463: The City. The first section was built beneath the New Road using cut-and-cover between Paddington and King's Cross and in tunnel and cuttings beside Farringdon Road from King's Cross to near Smithfield , near the City. It opened to the public on 10 January 1863 with gas-lit wooden carriages hauled by steam locomotives, the world's first passenger-carrying designated underground railway. The line
6943-809: The City: to overcome this obstacle, the company took over the City Terminus Company and submitted a new bill in November 1853. This dropped the City terminus and extended the route south from Farringdon to the General Post Office in St. Martin's Le Grand . The route at the western end was also altered so that it connected more directly to the GWR station. Permission was sought to connect to the London and North Western Railway (LNWR) at Euston and to
7074-638: The GWR Addison Road service was extended over the District Railway via Earl's Court to Mansion House . This became known as the Middle Circle and ran until January 1905; from 1 July 1900 trains terminated at Earl's Court. Additional stations were opened at Westbourne Park (1866), Latimer Road (1868), Royal Oak (1871), Wood Lane (1908) and Goldhawk Road (1914). Between 1 October 1877 and 31 December 1906, some services on
7205-699: The GWR withdrew its stock in August 1863. The Met continued operating a reduced service using GNR standard-gauge rolling stock before purchasing its own standard-gauge locomotives from Beyer, Peacock and Company and rolling stock. The Metropolitan initially ordered 18 tank locomotives, of which a key feature was condensing equipment which prevented most of the steam from escaping while trains were in tunnels; they have been described as "beautiful little engines, painted green and distinguished particularly by their enormous external cylinders." The design proved so successful that eventually 120 were built to provide traction on
7336-453: The H&CR became jointly owned by the two companies. The GWR began running standard-gauge trains and the broad gauge rail was removed from the H&CR and the Met in 1869. In 1871, two additional tracks parallel to the GWR between Westbourne Park and Paddington were brought into use for the H&CR and in 1878 the flat crossing at Westbourne Park was replaced by a diveunder . In August 1872,
7467-454: The H&CR were extended to Richmond over the London and South Western Railway (L&SWR) via its station at Hammersmith (Grove Road) . The early success of the Met prompted a flurry of applications to Parliament in 1863 for new railways in London, many of them competing for similar routes. To consider the best proposals, the House of Lords established a select committee , which issued
7598-639: The Keihin Electric Express Railway), Keio Corporation , Keisei Electric Railway , Odakyu Electric Railway , Seibu Railway , Tobu Railway and Tokyu Corporation . In addition, but not formally designated as subways: The Yokohama Subway and the Minatomirai Line also operate in the Greater Tokyo Area, but they are not directly connected to the Tokyo subway network. However, direct through services from
7729-479: The LNWR until two D Class locomotives were bought. The line was upgraded, doubled and the stations rebuilt to main-line standards, allowing a through Baker Street to Verney Junction service from 1 January 1897, calling at a new station at Waddesdon Manor , a rebuilt Quainton Road , Granborough Road and Winslow Road . From Quainton Road, the Duke of Buckingham had built a 6.5-mile (10.5 km) branch railway,
7860-493: The LNWR, which worked the Bletchley to Oxford line, but by the time the line had been built the relationship between the two companies had collapsed. The Wycombe Railway built a single-track railway from Princes Risborough to Aylesbury and when the GWR took over this company it ran shuttles from Princes Risborough through Aylesbury to Quainton Road and from Quainton Road to Verney Junction. The A&BR had authority for
7991-428: The M&SJWR was to run to the London and North Western Railway 's station at Finchley Road (now Finchley Road & Frognal). Before construction had begun, a branch was proposed from a junction a short distance north of Swiss Cottage station running north for 1.5 kilometres (0.93 mi) across mostly open countryside to Hampstead Village where the station was to be located east of the village centre. The branch
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#17327873619138122-689: The Met and the District was held in 1877 with the Met now wishing to access the SER via the East London Railway (ELR). Both companies promoted and obtained an act of Parliament, the Metropolitan and District Railways (City Lines and Extensions) Act 1879 ( 42 & 43 Vict. c. cci) for the extension and link to the ELR, the act also ensuring future co-operation by allowing both companies access to
8253-404: The Met began working trains from St Mary's via this curve onto the ELR to the SER's New Cross station . After an official opening ceremony on 17 September and trial running a circular service started on Monday 6 October 1884. On the same day the Met extended some H&CR services over the ELR to New Cross, calling at new joint stations at Aldgate East and St Mary's. Joint stations opened on
8384-558: The Met developed land for housing, and after World War I promoted housing estates near the railway using the " Metro-land " brand. On 1 July 1933, the Met was amalgamated with the Underground Electric Railways Company of London and the capital's tramway and bus operators to form the London Passenger Transport Board . Former Met tracks and stations are used by the London Underground 's Metropolitan , Circle , District , Hammersmith & City , Piccadilly , Jubilee and Victoria lines, and by Chiltern Railways and Great Northern . In
8515-401: The Met extended eastwards to a shared station at South Kensington and the District opened its line from there to Westminster, with other stations at Sloane Square , Victoria , St James's Park , and Westminster Bridge (now Westminster ). The District also had parliamentary permission to extend westward from Brompton and, on 12 April 1869, it opened a single-track line to West Brompton on
8646-407: The Met to extend south from Paddington to South Kensington and east from Moorgate to Tower Hill were accepted and received royal assent on 29 July 1864 as the Metropolitan Railway (Notting Hill and Brompton Extension) Act 1864 ( 27 & 28 Vict. c. ccxci) and the Metropolitan Railway (Tower Hill Extension) Act 1864 ( 27 & 28 Vict. c. cccxv) respectively. To complete the circuit,
8777-401: The Met, who wished to make more openings in the tunnels, and the local authorities, who argued that these would frighten horses and reduce property values. This led to an 1897 Board of Trade report, which reported that a pharmacist was treating people in distress after having travelled on the railway with his 'Metropolitan Mixture'. The report recommended more openings be authorised but the line
8908-490: The Metropolitan & St John's Wood Railway (M&SJWR) opened a single-track railway in tunnel to Swiss Cottage from new platforms at Baker Street (called Baker Street East). There were intermediate stations at St John's Wood Road and Marlborough Road , both with crossing loops, and the line was worked by the Met with a train every 20 minutes. A junction was built with the Inner Circle at Baker Street, but there were no through trains after 1869. The original intention of
9039-413: The Metropolitan, the District Railway (in 1871) and all other 'cut and cover' underground lines. This 4-4-0 tank engine can therefore be considered as the pioneer motive power on London 's first underground railway; ultimately, 148 were built between 1864 and 1886 for various railways, and most kept running until electrification in 1905. In the belief that it would be operated by smokeless locomotives,
9170-440: The WLR. There were no intermediate stations and at first this service operated as a shuttle from Gloucester Road. By mid-1869 separate tracks had been laid between South Kensington and Brompton and from Kensington (High Street) to a junction with the line to West Brompton. During the night of 5 July 1870 the District secretly built the disputed Cromwell curve connecting Brompton and Kensington (High Street). East of Westminster,
9301-428: 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
9432-426: The capital account. In 1870, the directors were guilty of a breach of trust and were ordered to compensate the company. All appealed and were allowed, in 1874, to settle for a much lower amount. In October 1872, to restore shareholders' confidence, Edward Watkin was appointed chairman and the directors were replaced. Watkin was an experienced railwayman and already on the board of several railway companies, including
9563-427: The capital. While it attempted to raise the funds it presented new bills to Parliament seeking an extension of time to carry out the works. In July 1855, the Metropolitan Railway (Deviation) Act 1855 ( 18 & 19 Vict. c. cii), which made a direct connection to the GNR at King's Cross, received royal assent. The plan was modified by the Metropolitan (Great Northern Branch and Amendment) Act 1856 and again later by
9694-629: The circle line at Cannon Street , Eastcheap ( Monument from 1 November 1884) and Mark Lane . The Met's Tower of London station closed on 12 October 1884 after the District refused to sell tickets to the station. Initially, the service was eight trains an hour, completing the 13 miles (21 kilometres) circle in 81–84 minutes, but this proved impossible to maintain and so the frequency was reduced to six trains an hour - albeit with an improved timing of 70 minutes - in 1885. Guards were permitted no relief breaks during their shift until September 1885, when they were permitted three 20-minute breaks. In April 1868,
9825-795: The combined subway network of the Tokyo and Toei metros comprises 286 stations and 13 lines covering a total system length of 304.0 kilometers (188.9 mi). The Tokyo Metro and Toei networks together carry a combined average of over eight million passengers daily. Despite being ranked second overall in worldwide subway usage (after the Shanghai Metro ) as of 2019, subways make up a relatively small fraction of heavy rail rapid transit in Tokyo alone—only 286 out of 938 railway stations, as of 2020. The Tokyo subway at 8.7 million daily passengers only represents 22% of Tokyo's 40 million daily rail passengers (see Transport in Greater Tokyo ). Other urban commuter rail systems include Keikyu Corporation (formerly
9956-494: The committee encouraged the amalgamation of two schemes via different routes between Kensington and the City, and a combined proposal under the name Metropolitan District Railway (commonly known as the District railway) passed into law on the same day in the Metropolitan District Railways Act 1864 ( 27 & 28 Vict. c. cccxxii). Initially, the District and the Met were closely associated and it
10087-520: The contractor reported that it was difficult to keep the men at work. The first section opened to the Great Eastern Railway 's (GER's) recently opened terminus at Liverpool Street on 1 February 1875. For a short time, while the Met's station was being built, services ran into the GER station via a 3.5-chain (70 m) curve. The Met opened its station later that year on 12 July and the curve
10218-488: The cost of the first section of the District from South Kensington to Westminster was £3 million, almost three times as much as the Met's original, longer line. The first section of the Met extension opened to Brompton (Gloucester Road) (now Gloucester Road ) on 1 October 1868, with stations at Paddington (Praed Street) (now Paddington ), Bayswater , Notting Hill Gate , and Kensington (High Street) (now High Street Kensington ). Three months later, on 24 December 1868,
10349-473: The current Shepherd's Bush Market in 1914) and Hammersmith . The link to the West London Railway opened on 1 July that year, served by a carriage that was attached or detached at Notting Hill for Kensington (Addison Road) . Following an agreement between the Met and the GWR, from 1865 the Met ran a standard-gauge service to Hammersmith and the GWR a broad-gauge service to Kensington. In 1867,
10480-414: 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
10611-414: The early mornings and after 8 pm. From May 1864, workmen's returns were offered on the 5:30 am and 5:40 am services from Paddington at the cost of a single ticket (3 d ). The railway was initially worked by GWR broad-gauge Metropolitan Class tank locomotives and rolling stock. Soon after the opening, disagreement arose between the Met and the GWR over the need to increase the frequency, and
10742-517: The early patronage of the Duke of Buckingham and the owners of Waddesdon Manor , services extended for many years to Verney Junction in Buckinghamshire . Electric traction was introduced in 1905, and by 1907 electric multiple units operated most of the services, though electrification of outlying sections did not occur until decades later. Unlike other railway companies in the London area,
10873-611: 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
11004-552: The expense of construction delayed further progress on the completion of the inner circle. In 1874, frustrated City financiers formed the Metropolitan Inner Circle Completion Railway Company with the aim of finishing the route. This company was supported by the District and obtained parliamentary authority on 7 August 1874. The company struggled to raise the funding and an extension of time was granted in 1876. A meeting between
11135-505: The first half of the 19th century the population and physical extent of London grew greatly. The increasing resident population and the development of a commuting population arriving by train each day led to a high level of traffic congestion with huge numbers of carts, cabs, and omnibuses filling the roads and up to 200,000 people entering the City of London , the commercial heart, each day on foot. By 1850 there were seven railway termini around
11266-516: 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
11397-660: The grand opening on 9 January 1863, which included a ceremonial run from Paddington and a large banquet for 600 shareholders and guests at Farringdon. Charles Pearson did not live to see the completion of the project; he died in September 1862. The 3.75-mile (6 km) railway opened to the public on 10 January 1863, with stations at Paddington (Bishop's Road) (now Paddington ), Edgware Road , Baker Street , Portland Road (now Great Portland Street ), Gower Street (now Euston Square ), King's Cross (now King's Cross St Pancras ), and Farringdon Street (now Farringdon ). The railway
11528-402: The gross receipts for a fixed level of service. Extra trains required by the District were charged for and the District's share of the income dropped to about 40%. The District's level of debt meant that the merger was no longer attractive to the Met and did not proceed, so the Met's directors resigned from the District's board. To improve its finances, the District gave the Met notice to terminate
11659-439: 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
11790-405: The line had been built with little ventilation and a long tunnel between Edgware Road and King's Cross. Initially the smoke-filled stations and carriages did not deter passengers and the ventilation was later improved by making an opening in the tunnel between Gower Street and King's Cross and removing glazing in the station roofs. With the problem continuing after the 1880s, conflict arose between
11921-538: The line south of Farringdon. In 1858, Pearson arranged a deal between the Met and the City of London Corporation whereby the Met bought land it needed around the new Farringdon Road from the City for £179,000 and the City purchased £200,000 worth of shares. The route changes were approved by Parliament in August 1859, meaning that the Met finally had the funding to match its obligations and construction could begin. Despite concerns about undermining and vibrations causing subsidence of nearby buildings and compensating
12052-602: 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
12183-575: The main line at St Paul's Road Junction, entering a double-track tunnel and joining the Widened Lines at Midland Junction. In November 1860, a bill was presented to Parliament, supported by the Met and the GWR, for a railway from the GWR's main line a mile west of Paddington to the developing suburbs of Shepherd's Bush and Hammersmith , with a connection to the West London Railway at Latimer Road. Authorised on 22 July 1861 in
12314-557: 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
12445-418: 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
12576-403: The new meat market at Smithfield . The trench was 33 feet 6 inches (10.2 m) wide, with brick retaining walls supporting an elliptical brick arch or iron girders spanning 28 feet 6 inches (8.7 m). The tunnels were wider at stations to accommodate the platforms. Most of the excavation work was carried out manually by navvies ; a primitive earth-moving conveyor
12707-463: The next section of the District's line ran in the new Victoria Embankment built by the Metropolitan Board of Works along the north bank of the River Thames . The line opened from Westminster to Blackfriars on 30 May 1870 with stations at Charing Cross (now Embankment ), The Temple (now Temple ) and Blackfriars . On its opening the Met operated the trains on the District, receiving 55% of
12838-402: 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
12969-902: 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
13100-603: 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
13231-431: The operating agreement. Struggling under the burden of its very high construction costs, the District was unable to continue with the remainder of the original scheme to reach Tower Hill and made a final extension of its line just one station east from Blackfriars to a previously unplanned City terminus at Mansion House . On Saturday 1 July 1871, an opening banquet was attended by Prime Minister William Gladstone , who
13362-587: 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
13493-511: The railway east of Mansion House were allowed to lapse. At the other end of the line, the District part of South Kensington station opened on 10 July 1871 and Earl's Court station opened on the West Brompton extension on 30 October 1871. In 1868 and 1869, judgements had been against the Met in a number of hearings, finding financial irregularities such as the company paying a dividend it could not afford and expenses being paid out of
13624-908: 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
13755-542: 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
13886-620: The shops; two years later land was given to the Wesleyan Church for a church building and a school for 200 children. In 1868, the Duke of Buckingham opened the Aylesbury and Buckingham Railway (A&BR), a 12.75-mile (20.5 km) single track from Aylesbury to a new station at Verney Junction on the Buckinghamshire Railway 's Bletchley to Oxford line. At the beginning lukewarm support had been given by
14017-412: The single-track tunnel between Baker Street and Swiss Cottage was duplicated and the M&SJWR was absorbed by the Met. In 1882, the Met moved its carriage works from Edgware Road to Neasden. A locomotive works was opened in 1883 and a gas works in 1884. To accommodate employees moving from London over 100 cottages and ten shops were built for rent. In 1883, a school room and church took over two of
14148-663: 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
14279-714: 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
14410-530: 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
14541-456: The thousands of people whose homes were destroyed during the digging of the tunnel, construction began in March 1860. The line was mostly built using the " cut-and-cover " method from Paddington to King's Cross; east of there it continued in a 728 yards (666 m) tunnel under Mount Pleasant, Clerkenwell then followed the culverted River Fleet beside Farringdon Road in an open cutting to near
14672-511: 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
14803-423: The urban centre of London: London Bridge and Waterloo to the south, Shoreditch and Fenchurch Street to the east, Euston and King's Cross to the north, and Paddington to the west. Only Fenchurch Street station was within the City. The congested streets and the distance to the City from the stations to the north and west prompted many attempts to get parliamentary approval to build new railway lines into
14934-601: 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
15065-467: The whole circle. A large contribution was made by authorities for substantial road and sewer improvements. In 1882, the Met extended its line from Aldgate to a temporary station at Tower of London . Two contracts to build joint lines were placed, from Mansion House to the Tower in 1882 and from the circle north of Aldgate to Whitechapel with a curve onto the ELR in 1883. From 1 October 1884, the District and
15196-559: 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
15327-483: Was also a shareholder. The following Monday, Mansion House opened and the District began running its own trains. From this date, the two companies operated a joint Inner Circle service between Mansion House and Moorgate Street via South Kensington and Edgware Road every ten minutes, supplemented by a District service every ten minutes between Mansion House and West Brompton and H&CR and GWR suburban services between Edgware Road and Moorgate Street. The permissions for
15458-464: Was authorised in May 1865. This appeared on some maps. Financial difficulties meant the scope of the line only progressed as far as Swiss Cottage, The branch to Hampstead was cancelled in 1870. A 156 yards (143 m) section of tunnel was built north of Swiss Cottage station for the Hampstead branch most of which was used for the later extension to the north-west. A short length towards Hampstead
15589-410: Was built at Nos. 23 and 24 to conceal the gap in a terrace created by the railway passing through. To ensure adequate ventilation, most of the line was in cutting except for a 421-yard (385 m) tunnel under Campden Hill . Construction of the District proceeded in parallel with the work on the Met and it too passed through expensive areas. Construction costs and compensation payments were so high that
15720-899: 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
15851-479: Was electrified before these were built. With connections to the GWR and GNR under construction and connections to the Midland Railway and London, Chatham and Dover Railway (LC&DR) planned, the Met obtained permission in 1861 and 1864 for two additional tracks from King's Cross to Farringdon Street and a four-track eastward extension to Moorgate . The Met used two tracks: the other two tracks,
15982-427: Was hailed a success, carrying 38,000 passengers on the opening day, using GNR trains to supplement the service. In the first 12 months 9.5 million passengers were carried and in the second 12 months this increased to 12 million. The original timetable allowed 18 minutes for the journey. Off-peak service frequency was every 15 minutes, increased to ten minutes during the morning peak and reduced 20 minutes in
16113-411: Was intended that they would soon merge. The Met's chairman and three other directors were on the board of the District, John Fowler was the engineer of both companies and the construction works for all of the extensions were let as a single contract. The District was established as a separate company to enable funds to be raised independently of the Met. Starting as a branch from Praed Street junction,
16244-702: 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
16375-414: Was not used again by regular traffic. During the extension of the railway to Aldgate several hundred cartloads of bullocks' horn were discovered in a layer 20 ft (6.1 m) below the surface. A terminus opened at Aldgate on 18 November 1876, initially for a shuttle service to Bishopsgate before all Met and District trains worked through from 4 December. Conflict between the Met and the District and
16506-520: Was not without incident. In May 1860, a GNR train overshot the platform at King's Cross and fell into the workings. Later that year, a boiler explosion on an engine pulling contractor's wagons killed the driver and his assistant. In May 1861, the excavation collapsed at Euston causing considerable damage to the neighbouring buildings. The final accident occurred in June 1862 when the Fleet sewer burst following
16637-556: Was published in November 1852 and in January 1853 the directors held their first meeting and appointed John Fowler as its engineer. After successful lobbying, the company secured parliamentary approval under the name of the "North Metropolitan Railway" in mid-1853. The bill submitted by the City Terminus Company was rejected by Parliament, which meant that the North Metropolitan Railway would not be able to reach
16768-569: Was rejected by the 1846 commission, but Pearson returned to the idea in 1852 when he helped set up the City Terminus Company to build a railway from Farringdon to King's Cross. The plan was supported by the City, but the railway companies were not interested and the company struggled to proceed. The Bayswater, Paddington, and Holborn Bridge Railway Company was established to connect the Great Western Railway 's (GWR's) Paddington station to Pearson's route at King's Cross. A bill
16899-460: Was soon extended from both ends, and northwards via a branch from Baker Street . Southern branches, directly served, reached Hammersmith in 1864, Richmond in 1877 and the original completed the Inner Circle in 1884. The most important route was northwest into the Middlesex countryside, stimulating the development of new suburbs. Harrow was reached in 1880, and from 1897, having achieved
17030-408: Was unused. This is still visible today when travelling on a southbound Metropolitan line service. In the early 1870s, passenger numbers were low and the M&SJWR was looking to extend the line to generate new traffic. Recently placed in charge of the Met, Watkin saw this as the priority as the cost of construction would be lower than in built-up areas and fares higher; traffic would also be fed into
17161-462: Was used to remove excavated soil from the trench. Within the tunnel, two lines were laid with a 6-foot (1.8 m) gap between. To accommodate both the standard gauge trains of the GNR and the broad gauge trains of the GWR, the track was three-rail dual gauge , the rail nearest the platforms being shared by both gauges. Signalling was on the absolute block method, using electric Spagnoletti block instruments and fixed signals. Construction
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