"although in some places, for example the Central line east of St Paul's station, tunnels are above each other. The running tunnels are on the right on the Victoria line between Warren Street and King's Cross St. Pancras, allowing cross-platform interchange with the Northern line between northbound and southbound trains at Euston. Six of the 32 London boroughs are not served by the Underground. All of these are south of the River Thames: Bexley, Bromley, Croydon, Kingston, Lewisham and Sutton. The borough of Lewisham used to be served by the Underground on the East London line – now part of"
"Central line (London Underground) The Central line is a London Underground line that runs through central London, from , Essex, in the north-east to and in the west. Coloured red on the Tube map, the line serves 49 stations over , which makes it the longest Tube line. It is also one of only two lines on the Underground network to cross the Greater London boundary, the other being the Metropolitan line. One of London's deep-level railways, Central line trains are smaller than those on British main lines. The line was opened as the Central London Railway in 1900, crossing"
"that the transport benefits of a Park Royal station on the Central line are not sufficiently high to justify the costs of construction. Central line (London Underground) The Central line is a London Underground line that runs through central London, from , Essex, in the north-east to and in the west. Coloured red on the Tube map, the line serves 49 stations over , which makes it the longest Tube line. It is also one of only two lines on the Underground network to cross the Greater London boundary, the other being the Metropolitan line. One of London's deep-level railways,"
"only. For most of its length it is a deep-level tube line. The portion between and opened in 1890 and is the oldest section of deep-level tube line on the Underground network. There were about 294 million passenger journeys recorded in 2016/17 on the Northern line, making it the busiest on the Underground. It is unique in having two different routes through central London. Despite its name, it does not serve the northernmost stations on the network, though it does serve the southernmost station, Morden, as well as 16 of the system's 29 stations south of the River Thames. There"
"the top green light over a yellow light, and clear two green lights. The Metropolitan line's suburban rail character opposed to other London Underground lines is also shown by the long distances between stops. Eight of the top 10 furthest apart stations on the Underground are on the Metropolitan line. The section between Chalfont & Latimer and Chesham is the longest at , whilst the Finchley Road to Wembley Park section is the second longest, and Rickmansworth to Chorleywood the fourth longest overall. The Metropolitan line is the only London Underground line to operate an express service. Designed for commuters"
"Piccadilly line The Piccadilly line () is a London Underground line that runs between in suburban north London and in the west, where it divides into two branches: one of these runs to Heathrow Airport and the other to in northwest London, with some services terminating at . Coloured dark blue (officially ""Corporate Blue"", Pantone 072) on the Tube map, it is the fourth-busiest line on the Underground network with over 210 million passenger journeys in 2011/12. It is partly a deep-level line, with a number of surface sections, mostly in its westernmost parts. It is named after Piccadilly, the"
"Victoria line The Victoria line is a London Underground line that runs between in south London and in the north-east, via the West End. It is coloured light blue on the Tube map and is one of two lines to run entirely below ground. Constructed in the 1960s, it was the first entirely new Underground line in London for 50 years and was designed to relieve congestion on other lines, particularly the Piccadilly line and the branch of the Northern line. The first section, from Walthamstow Central to , opened in September 1968, with an extension to following in December."
"Underground's eleven lines total in length, making it the third longest metro system in the world. These are made up of the sub-surface network and the deep-tube lines. The Circle, District, Hammersmith & City, and Metropolitan lines form the sub-surface network, with railway tunnels just below the surface and of a similar size to those on British main lines. The Hammersmith & City and Circle lines share stations and most of their track with each other, as well as with the Metropolitan and District lines. The Bakerloo, Central, Jubilee, Northern, Piccadilly, Victoria and Waterloo & City lines are deep-level tubes,"
"London Underground infrastructure The infrastructure of the London Underground includes 11 lines, with 270 stations. There are two types of line on the London Underground: services that run on the sub-surface network that is just below the surface and use larger trains, and the deep-tube lines, that are for the most part self-contained and use smaller trains. Most of the lines emerge on to the surface outside the central area. The oldest trains running on the Underground were introduced in 1972. The Underground is electrified using a four-rail system, the DC traction supply being independent of the running rails. Planned"
"Metropolitan line The Metropolitan line (colloquially known as the Met) is a London Underground line that runs between in the City of London and and in Buckinghamshire, with branches to in Hertfordshire and in the western London Borough of Hillingdon. Coloured magenta on the tube map, the line is in length and serves 34 stations. Unlike the deep-tube railways, its tunnels are just below the surface (""cut and cover"") and are of a similar size to those on main lines. Just under 67 million passenger journeys were made on the line in 2011/12. The line is a suburban railway and"
"Jubilee line The Jubilee line is a London Underground line that runs between in east London and in the suburban north-west, via the Docklands, South Bank and West End. Opened in 1979, it is the newest line on the network, although some sections of track date back to 1932 and some stations to 1879. The western portion beyond was previously a branch of the Bakerloo line, while the new build was completed in two major sections: initially in 1979 to , then in 1999 with an extension to Stratford. The later stations are larger and have special safety features, both"
"still grouped operationally with the Metropolitan line) and from 1990 its colour on the map changed to orange. Maintenance passed to the Metronet consortium in 2003 under a public-private partnership, although the operation of trains continued to be the responsibility of Transport for London (TfL). According to TfL, the line carried 10.7 million passengers per year before its temporary closure in 2007. The line was the only Underground line not to penetrate Travelcard Zone 1 and the only line designed and constructed for mainline trains. At in length it was the second-shortest line (after the Waterloo & City line), with"
"East London line The East London line is part of the London Overground, running north to south through the East, Docklands and South areas of London. It was previously a line of the London Underground. Built in 1869 by the East London Railway Company, which reused the Thames Tunnel intended for horse-drawn carriages, the line became part of the London Underground network in 1933. After nearly 75 years as part of that network, it closed on 22 December 2007 for an extensive refurbishment and expansion, reopening as part of the Overground network in April 2010. Phase 2, which links the"
"route around the city and incorporates the oldest part of the Underground's history, the Thames Tunnel under the River Thames, which was completed in 1843. The routes comprise: Other routes operated include: Heathrow, Gatwick and Stansted airports are served by dedicated train services, and are also served by standard commuter services. The Heathrow Express service from Paddington is provided by the airport operator, Heathrow Airport Holdings, whilst the Gatwick Express from Victoria and Stansted Express from Liverpool Street are provided by franchised train operating companies. Unlike the Underground, which is a single system owned and operated by Transport for London,"
"History of the London Underground The history of the London Underground began in the 19th century with the construction of the Metropolitan Railway, the world's first underground railway. The Metropolitan Railway, which opened in 1863 using gas-lit wooden carriages hauled by steam locomotives, worked with the District Railway to complete London's Circle line in 1884. Both railways expanded, the Metropolitan eventually extending as far as in Buckinghamshire, more than from Baker Street and the centre of London. The first deep-level tube line, the City and South London Railway, opened in 1890 with electric trains. This was followed by the Waterloo"
"London Underground (LU), part of TfL. Tube Lines had a 30-year contract for the Jubilee, Northern and Piccadilly lines, and remains responsible for over 200 miles of track, 255 trains, 100 stations, and over 2,500 bridges, lifts and escalators. The remaining lines of the London Underground were part of Metronet, which existed from 2003 to 2008, when it was taken over by Transport for London after being placed into administration. Tube Lines encountered a funding shortfall for its upgrades and requested that TfL provide an additional £1.75 billion to cover the shortfall; TfL refused, and referred the matter to the"
"Circle line (London Underground) The Circle line is a London Underground line in a spiralling shape, running from Hammersmith in the west to Edgware Road and then looping around central London back to Edgware Road. The railway is below ground in the central section and on the loop east of Paddington. Unlike London's deep-level lines, the Circle line tunnels are just below the surface and are of similar size to those on British main lines. Coloured yellow on the Tube map, the line serves 36 stations, including most of London's main line termini. Most of the route and all of"
"London Underground, where it became the East London Line. It continued to be used for goods services as late as 1962. During the Underground days, the Thames Tunnel was the oldest piece of the Underground's infrastructure. It was planned to construct an intersection between the East London Line and the Jubilee Line extension at Canada Water station. As construction would require the temporary closure of the East London Line, it was decided to take this opportunity to perform long-term maintenance on the tunnel and so in 1995 the East London Line was closed to allow construction and maintenance to take"
"furthest London Underground station from central London. It is both the northernmost and westernmost London Underground Station. On 16 and 17 August 2014 the branch line celebrated its 125th anniversary of operating. It was celebrated using London Underground's first steam locomotive, Metropolitan 1. It ran from to Chesham (with the first and last service of each day starting or ending at to allow stabling of the set at Ruislip), meaning that the line from Chalfont and Latimer to Chesham had to be closed for a period of time to allow for the special service. The station was opened on 8"
"were originally maple wood, then aluminium from 1963, and this had been replaced with plastic or rubber following an increase in serious injuries following falls. However, following the King's Cross fire, aluminium treads have been used. There are 426 escalators on the London Underground system and the longest, at , is at Angel. The shortest, at Stratford, gives a vertical rise of . There are 184 lifts across the Underground, with 72 stations having step-free access from street to train. Major efforts have taken place to improve accessibility across the Underground, with the Jubilee line extension having lifts from opening"
"Hammersmith & City line The Hammersmith & City line is a London Underground line that runs between Hammersmith in west London and in east London. Coloured pink on the Tube map, it serves 29 stations over . Between and it skirts the City of London, the capital's financial heart, hence the line's name. Its tunnels are just below the surface and are a similar size to those on British main lines. Most of the track and all stations are shared with either the District, Circle or Metropolitan lines, the other parts of London Underground's sub-surface railway, and over 114 million"
"Tube Programme, investigating replacing the trains for the Bakerloo and Piccadilly lines, is looking for trains with better energy conservation and regenerative braking. The Underground serves 270 stations. Fourteen Underground stations are outside Greater London, of which five (Amersham, Chalfont & Latimer, Chesham, and Chorleywood on the Metropolitan line and Epping on the Central line) are beyond the M25 London orbital motorway. The longest distance between two stations is between Chalfont & Latimer and Chesham on the Metropolitan line. The shortest distance between adjacent stations is the between Leicester Square and Covent Garden on the Piccadilly line. The station furthest"
"stopping at Whitechapel) from December 2017. Various sources have been used in the creation of this article, including the external links below, and . East London line The East London line is part of the London Overground, running north to south through the East, Docklands and South areas of London. It was previously a line of the London Underground. Built in 1869 by the East London Railway Company, which reused the Thames Tunnel intended for horse-drawn carriages, the line became part of the London Underground network in 1933. After nearly 75 years as part of that network, it closed on"
"or Barking. The C Stock trains have been replaced by S7 Stock; the first new train entered service on the Hammersmith & City line on 6 July 2012, running a shuttle service between Hammersmith and Moorgate before operating between Hammersmith and Barking on 9 December 2012. By March 2014 all services were provided by S7 Stock trains. The line is long with 29 stations. Almost all of its track is shared with the other London Underground sub-surface lines: from Hammersmith to Baker Street with the Circle line, from Baker Street to Aldgate with the Circle and Metropolitan lines, and from"
"July 2013 and one in February 2014. London Underground—also known as the Underground or the Tube—is a public rapid transit system serving London and some parts of the adjacent counties of Buckinghamshire, Essex and Hertfordshire. The network opened in 1863 and contained of route track by 1975; that year three million people used the service each day. The Tube was one of the safest methods of transport in Britain in 1975. Apart from suicides, there were only 14 deaths on the Underground between 1938 and 1975, 12 of which occurred in the 1953 Stratford crash. Moorgate station, in the City"
"South London line The South London line is an Inner London part of the London Overground rail network. The line is run together with the East London line to provide direct services between and . It consists of eight stations, one of which marks the crossover into the East London line network and runs . Most of the line is on high viaduct over other transport infrastructure. Interchanges with the London Underground are at and the closest on its London Overground extension is . The line is in Travelcard Zone 2. From the early 20th century until 2012 a shorter"
"Metro Line M1 (Budapest Metro) Line 1 (Officially: Millennium Underground Railway, Metro 1 or M1) is the oldest line of the Budapest Metro. It is known locally as ""the underground"" (""""a földalatti""""), while the M2, M3 and M4 are called ""metró"". It is the third oldest underground after the London Underground and the Mersey Railway (specifically, its Wirral Line), the third rapid transit rail line worldwide of any type to exclusively use electric traction (after the London Underground, specifically the City and South London Railway and the strictly-above ground Liverpool Overhead Railway, before its closure in 1956), and the first"
"This was postponed due to an ongoing dispute between Transport for London and rail unions. On 26 August 2016 Sadiq Khan, Mayor of London, announced that the Jubilee line night tube would run with services starting on 7 October 2016. Having been open since 1979, the Jubilee line is the newest line of the London Underground network. The trains were upgraded in 1997 to the 1996 stock. In 1999, trains began running to Stratford instead of Charing Cross, serving areas once poorly connected to the London Underground network. Jubilee line stations north of Baker Street were not built specifically for"
"Bakerloo line The Bakerloo line () is a London Underground line that runs between in suburban north-west London and in south London, via the West End. Coloured brown on the Tube map, it serves 25 stations, of which 15 are below ground, over . It runs partly on the surface and partly at deep level. The line was so named because it serves ""Baker"" Street and Water""loo"". North of (the section above ground), the line shares tracks with the London Overground Watford DC Line and runs parallel to the West Coast Main Line. There are, however, tunnels on either side"
"Waterloo & City line The Waterloo & City line (colloquially known as The Drain) is a London Underground shuttle line that runs between Waterloo and Bank with no intermediate stops. Its primary traffic consists of commuters from south-west London, Surrey and Hampshire arriving at Waterloo main line station and travelling forward to the City of London financial district. For this reason the line does not normally operate on Sundays. Coloured turquoise on the Tube map, it is by far the shortest line on the Underground network at , with an end-to-end journey lasting just four minutes. In absolute terms, it"
"by more lines than any other station on the London Underground. In 2005, it was the busiest tube station, but has been overtaken by others since. It is in Travelcard Zone 1 and caters for both Kings Cross and the neighbouring St. Pancras railway station. The station opened as part of the first section of Metropolitan Railway project on 10 January 1863; the first part of the Underground to open. It was expanded to accommodate the Great Northern, Piccadilly and Brompton Railway (now the Piccadilly line) in 1906, with the City & South London Railway (now the Northern line) opening"
"London Buses route X26 London Buses route X26 is a Transport for London contracted bus route in London, England. Running between Heathrow Airport and West Croydon bus stations, it is operated by London General. It is the longest bus route currently operating in London, covering a distance of 23.75 miles. Route X26 has its origins in Green Line Coach route 725, which started in the 1950s and ran from Gravesend and Dartford through Bromley, Croydon, Sutton and Kingston to Staines and Windsor. In the late 1970s route 726 was introduced as a variant, from Gravesend to Windsor via Heathrow Airport"
"Northern line The Northern line is a London Underground line that runs from south-west to north-west London, with two branches through central London and three in the north. It runs northwards from its southern terminus at in the borough of Merton to in Southwark, where it divides into two central branches, one via in the West End and the other via in the City. The central branches re-join at where the line again divides into two branches, one to and the other to in the borough of Barnet. On the High Barnet branch there is a short single-track branch to"