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56-575: Turkey Street is a London Overground station on the Southbury Loop section of the Lea Valley lines , located in the Bullsmoor area to the north of Enfield in north London. It is 12  miles 16  chains (19.6 km) down the line from London Liverpool Street and is situated between Southbury and Theobalds Grove . The new London Overground line names and colours were introduced across

112-468: A 50:50 joint venture between Laing Rail and MTR Corporation , was chosen by TfL on 19 June 2007. The contract was signed on 2 July 2007 for seven years with the option of a two-year extension. In preparation for the launch of the Overground, MTR Laing renamed itself London Overground Rail Operations. In February 2013, it was awarded a concession extension until 14 November 2016. In April 2015, TfL placed

168-684: A considerable portion of the network in Zone 2 . The network also uses Euston in central London, the southern terminus of the Watford DC line. The network interchanges with the Bakerloo , Central , Circle , District , Hammersmith & City , Jubilee , Metropolitan , Northern and Victoria tube lines, and also with the Docklands Light Railway , Elizabeth line and Tramlink networks. The Overground lines appear on Tube maps issued by TfL, and

224-599: A light green background. This ticket stock, coded "TFL" on the reverse, was introduced in November 2007. Oyster PAYG is charged on the same zone-based rules as for the Underground and the Docklands Light Railway . Stations outside Greater London (except Watford Junction) are included in the new Travelcard Zones 7-9 . On 2 January 2008 Acton Central was moved from zone 2 to 3, Hampstead Heath from 3 to 2 and Willesden Junction from 3 to both 2 and 3. Paper tickets are charged on

280-495: A model similar to that used for the Docklands Light Railway , TfL invited tenders for operation of the Overground. Unlike other National Rail operators under the franchise control of the Department for Transport , TfL sets fares, procures rolling stock and decides service levels. The operator takes only a small element of revenue risk, with TfL taking 90% and the operator 10%. The first operator, London Overground Rail Operations ,

336-483: A motor-driving car or power-driving car. On third rail systems, the outer vehicles usually carry the pick up shoes with the motor vehicles receiving the current via intra-unit connections . Many modern two-car EMU sets are set up as twin or "married pair" units. While both units in a married pair are typically driving motors, the ancillary equipment (air compressor and tanks, batteries and charging equipment, traction power and control equipment, etc.) are shared between

392-572: A network of orbital services around London goes back to the independently produced Ringrail proposals in the early 1970s. Some of these were evaluated in the London Rail Study of 1974 (the Barren Report) and Barren suggested consideration of a North London Network of orbital services, based on a later suggestion by the Ringrail Group, which involved using many existing rail routes, rather than

448-580: A notice in the Official Journal of the European Union , inviting expressions of interest in operating the next concession. In March 2016, TfL announced that Arriva Rail London had won the right to operate the London Overground concession, starting from 13 November 2016. In June 2023, Arriva announced a contract extension had been secured with TfL, pushing the expiry date to May 2026. Ticketing

504-507: A number of stations. The stations that did not have barriers when TfL took over have been fitted with standalone Oyster card readers similar to those at ungated Underground and DLR stations. The validators at Blackhorse Road which were needed to enter/exit the Oyster card system when changing to and from the Victoria line were replaced with route validators, coloured pink: these are used to show that

560-596: A route from Clapham Junction to the Greenwich Peninsula , intended to improve access from south London to the Millennium Dome . However, this was thwarted by architect Richard Rogers who considered that a railway route on a viaduct could cause "community severance", and so the Victorian brick viaduct was demolished. Nothing further happened to develop this network until after the new Greater London Authority (GLA)

616-542: A separate map of the system is available. Much of London Overground passes through less affluent areas, and is seen as contributing to their regeneration. The North London and Gospel Oak to Barking lines were previously considered by the Transport Committee of the London Assembly to be neglected and not developed to their full potential. The new London Overground line names and colours were introduced across

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672-500: A traveller using Oyster PAYG changed lines at that station, showing which of the possible routes was used. Typically, this avoids paying for zone 1 when the passenger did not travel into it. Ticket stock is common National Rail stock, as Overground services remain part of the National Rail network, but sometimes with a large TfL roundel in the centre and the repeated legend " Rail Settlement Plan " or on newer versions "National Rail" on

728-568: Is a mix of paper, Oyster cards , electronic smart cards and contactless payment cards for "pay-as-you-go" travel. As with all National Rail and TfL services in London, passengers can use a Travelcard (daily, seven-day, monthly or annual); as on other National Rail services in London, paper single, return and cheap day return tickets priced under the zonal fare scheme are also available. As part of an effort to improve safety and protect revenue, TfL has announced that it will introduce ticket barriers at

784-516: Is maintained at Willesden Junction and New Cross Gate TMDs , the latter being newly built for the extended East London line. There are also sidings at Silwood Triangle (just north of New Cross depot), built in 2013–14. Satellite locations for stabling trains include Stratford, London Euston and sidings (mainly used by London Northwestern Railway ), and c2c 's East Ham Depot. Train crews are based at stations including Euston, Willesden Junction, Watford Junction, New Cross, Stratford and Gospel Oak. Up to

840-417: Is simpler as no provision is needed for exhausting fumes, although retrofitting existing limited-clearance tunnels to accommodate the extra equipment needed to transmit electric power to the train can be difficult. Multiple unit train control was first used in the 1890s. The Liverpool Overhead Railway opened in 1893 with two-car electric multiple units, controllers in cabs at both ends directly controlling

896-738: The China Railway High-speed in China, ICE 3 in Germany, and the British Rail class 395 Javelin. The retired New York–Washington Metroliner service, first operated by the Pennsylvania Railroad and later by Amtrak , also featured high-speed electric multiple-unit cars, known as the Budd Metroliner . EMUs powered by fuel cells are under development. If successful, this would avoid

952-664: The City . These eventually ran to and from Liverpool Street via a new section of track, the Graham Road Curve. British Rail replaced the existing three-car Class 501 electric trains (built 1957) with slightly newer but shorter two-car Class 416 electric trains (built 1959 ), leading to overcrowding . In 1988, by reorganising and reducing services on the Great Northern routes from Moorgate , about 18 relatively modern Class 313 dual-voltage electric trains were transferred to operate

1008-774: The Department for Transport (DfT) announced a review of the rail industry in Great Britain. As part of that review, TfL proposed a "London Regional Rail Authority" to give TfL regulatory powers over rail services in and around Greater London. A result of this consultation was agreement by the Secretary of State for Transport , Alistair Darling , to transfer the Silverlink Metro services from DfT to TfL control. Silverlink had two areas of operation: Silverlink County regional services from Euston to Northampton , St Albans Abbey , Bletchley and Bedford ; and Silverlink Metro within

1064-596: The North London Railway routes from Silverlink Metro. The following day there was an official launch ceremony at Hampstead Heath station with the Mayor of London , Ken Livingstone ; there was also a later media event on the bay platform at Willesden Junction . The launch was accompanied by a marketing campaign entitled "London's new train set", with posters and leaflets carrying an image of model railway packaging containing new Overground trains, tracks and staff. At

1120-515: The ON – Overground Network brand. TfL introduced consistent information displays, station signage and maps on the selected routes in South London. Although this pilot was primarily an exercise in branding, some service improvements were introduced, and it was the first instance of the newly created TfL having a visible influence over National Rail services. The pilot scheme was later dropped. In January 2004

1176-675: The Wilson government 's continuing antipathy to the railways, along with British Rail 's management's lack of interest in minor local train services, meant that few of these initiatives were carried forward. In 1979, the Greater London Council (GLC) decided to sponsor an improved service from Camden Road , on the North London line, to North Woolwich, opening up a previously freight-only line between Dalston and Stratford and linking it to an improved Stratford – North Woolwich service. This

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1232-653: The East London line became part of the London Overground network when the Phase 1 extension was completed. The former London Underground line was extended northwards, mostly along the former Broad Street viaduct of the North London line, to the re-opened Dalston Junction , and southwards to Crystal Palace and West Croydon . Operations began with a limited preview service between Dalston Junction and New Cross/New Cross Gate, with full operation between Dalston Junction and West Croydon/Crystal Palace on 23 May. On 28 February 2011,

1288-515: The London Overground network. The initial network, service levels and timetables were a continuation of Silverlink Metro services, a set of routes primarily built and electrified by the North London and London & North Western railway companies in the 19th and early 20th centuries. As the Overground name implies, the majority of the network is above ground, and it mostly consists of railway lines that connect areas outside Central London , with

1344-401: The London rail network in November 2024 As of May 2023 , the typical off-peak service pattern is: Battersea Park railway station is served by an infrequent parliamentary train service from Dalston Junction , which terminates at Battersea Park instead of Clapham Junction . Since the reorganisation of services into the London Overground network, this has been the only service to use

1400-592: The London rail network in November 2024 The railway line from Bury Street Junction, north of the current Edmonton Green station, to Cheshunt was opened by the Great Eastern Railway on 1 October 1891. It was known as the Churchbury Loop. The district served by the line was still predominantly rural, and the coming of the tram to Waltham Cross in 1904 saw the railway unable to compete. Passenger services ceased on 1 October 1909, but were reinstated for

1456-581: The London urban area. When the franchise was split up in 2007, County services were taken over by the London Midland franchise, and the Metro services came under TfL control. TfL decided to let this franchise as a management contract, with TfL taking the revenue risk. On 20 February 2006, the DfT announced that TfL would take over management of services then provided by Silverlink Metro . Tenders were invited to operate

1512-673: The North London and Watford services, from both Euston and Liverpool Street. Several voluntary sector groups, the Railway Development Society (RDS, later Railfuture ), Transport 2000's then London groups, and the Capital Transport Campaign, launched a series of leaflets and briefings promoting a concept called Outer Circle. This name had once been used for a semi-circular service from Broad Street to Mansion House , which ceased during World War I. The pamphlets and briefings, first issued in 1997, initially suggested

1568-534: The North London line trains at Stratford moved to new high-level platforms 1 and 2 from low-level platforms 1 and 2, which were needed for the Docklands Light Railway 's Stratford International service. The new platforms 1 and 2 are an island platform with step-free access to platform 12 and subway links to platforms 3–11. On 27 September 2009, Imperial Wharf station opened on the West London line , between West Brompton and Clapham Junction . On 27 April 2010,

1624-456: The South London line, calling at Queens Road Peckham , Peckham Rye , Denmark Hill , Clapham High Street and Wandsworth Road . The extension uses an alignment between Surrey Quays and just north of Queen's Road Peckham that had been disused since 1911; new track was laid after some major civil engineering works. Passive provision has also been made for a new station at Surrey Canal , to be constructed when funding becomes fully available. This

1680-462: The benefit of munitions workers between 1 March 1915 and 1 July 1919. After that the line was only served by freight trains until the line was electrified as part of a wider scheme, and Turkey Street station reopened to passengers on 21 November 1960. The line is now known as the Southbury Loop. The station was opened as Forty Hill and did not gain its current name until 1960. The goods depot at

1736-485: The construction of electric traction railways and trolley systems worldwide. Each car of the train has its own traction motors: by means of motor control relays in each car energized by train-line wires from the front car all of the traction motors in the train are controlled in unison. The cars that form a complete EMU set can usually be separated by function into four types: power car, motor car, driving car, and trailer car. Each car can have more than one function, such as

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1792-431: The early 2010s, London Overground operated with a conductor or guard on its North London, West London and Gospel Oak services. With the other 60% of Overground services already operated by only a driver, it was decided in 2013 to convert these remaining two-person operated trains to driver only . The London Overground is currently operated by Arriva Rail London under a contract with TfL which expires in 2026. Following

1848-709: The historic Thames Tunnel , the oldest tunnel under a navigable river in the world. A peculiarity is that at Whitechapel the London Overground runs below the London Underground (though there are other parts of the network where this occurs, e.g. the Watford Junction to Euston route between Kenton and South Kenton – shared with the Bakerloo line – passes under the Metropolitan line between Northwick Park and Preston Road ). The next addition opened on 9 December 2012, from Surrey Quays to Clapham Junction via

1904-451: The launch, TfL undertook to revamp the routes by improving service frequencies and station facilities, staffing all stations, introducing new rolling stock and allowing Oyster pay as you go throughout the network from the outset. After the takeover, all stations were "deep-cleaned", and Silverlink branding removed. Station signage was replaced with Overground-branded signs using TfL's corporate New Johnston typeface. On 15 April 2009,

1960-445: The line between Dalston Junction and Highbury & Islington was opened. In attendance were the Mayor of London and London Underground 's Managing Director. TfL announced in November 2010 that ridership was ahead of forecast at 92,000 a day, and that patronage at Surrey Quays had "gone through the roof". The incorporation of the East London line into the Overground network has added substantial sections of line in tunnel, including

2016-624: The link from platform 2 at Battersea Park to Wandsworth Road . Highbury & Islington to New Cross, Clapham Junction, Crystal Palace and West Croydon services are served by New Cross Gate Depot . Richmond and Clapham Junction to Stratford, Watford Junction to Euston, and Gospel Oak to Barking services are served by Willesden Traction Maintenance Depot . London Liverpool Street to Enfield Town, Cheshunt and Chingford, and Romford to Upminster are served by Ilford EMU Depot , Chingford sidings and Gidea Park Sidings. London Overground's head office and control centre are at Swiss Cottage . Rolling stock

2072-416: The need for an overhead line or third rail . An example is Alstom ’s hydrogen -powered Coradia iLint . The term hydrail has been coined for hydrogen-powered rail vehicles. Many battery electric multiple units are in operation around the world, with the take up being strong. Many are bi-modal taking energy from onboard battery banks and line pickups such as overhead wires or third rail. In most cases

2128-491: The new construction suggested in earlier drafts of the Ringrail Plan. The proposal from Barren was for several overlapping services mainly using the North London line , generally at 20-minute intervals. The suggested routes followed the original North London line service from Broad Street to Richmond , new services from Barking to Clapham Junction , and a third service from Ealing Broadway to North Woolwich . However,

2184-559: The original station consisted of a large ticket hall with the station master's office and serving hatch on the left hand side of the entrance. A tunnel opposite the entrance led to the stairs to the Cheshunt -bound platform. This tunnel was used in the rebuild. To the right were the stairs to the Liverpool Street platform. The stairwells were also reused in the rebuild, but the concrete steps were replaced with steel. When originally built

2240-541: The outer end of the pair, saving space and expense over a cab at both ends of each car. Disadvantages include a loss of operational flexibility, as trains must be multiples of two cars, and a failure on a single car could force removing both it and its partner from service. Some of the more famous electric multiple units in the world are high-speed trains: the Italian Pendolino and Frecciarossa 1000 , Shinkansen in Japan,

2296-509: The same time as the rebuild the 305s were slowly replaced by British Rail Class 315 . The Cheshunt service was extended to Hertford East in the late 1980s, utilising the existing main line from Cheshunt to Broxbourne and the existing branch to Hertford East. However, in the late 1990s the services again only ran as far as Cheshunt. The station was rebuilt once again in 2017. The trains are often used by St Ignatius' College and Lea Valley Academy (previously The Bullsmoor School) pupils, and

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2352-664: The same zone-based rules as for Underground and DLR paper tickets, which were expanded to take in the extra zones covered. Watford Junction has its own fare scale. Paper tickets are significantly more expensive than using Oyster PAYG. Electric multiple unit EMUs are popular on commuter, and suburban rail networks around the world due to their fast acceleration and pollution-free operation, and are used on most rapid-transit systems. Being quieter than diesel multiple units (DMUs) and locomotive -hauled trains, EMUs can operate later at night and more frequently without disturbing nearby residents. In addition, tunnel design for EMU trains

2408-446: The service under the provisional name of the North London Railway . On 5 September 2006, London Overground branding was announced, and it was confirmed that the extended East London line would be included. On 25 June 2007, a statutory instrument was laid before parliament to exclude the ex-Silverlink metro lines from the franchising process, which enabled them to be operated as a concession. On 11 November 2007, TfL took over

2464-553: The six lines that make up the network. The Overground forms part of the United Kingdom's National Rail network but it is under the concession control and branding of Transport for London (TfL). Operation has been contracted to Arriva Rail London since 2016. TfL previously assigned orange as a mode-specific colour for the Overground in branding and publicity including the roundel , on the Tube map , trains and stations. In 2024, it

2520-427: The station closed in 1966. The current station building was built in the late 1980s. The previous and original station building had a prominent tall chimney stack for the station master's coal fire which brought the top of the chimney above platform level. The station itself is constructed on an incline and the ticket office area of the track is raised on an embankment so the chimney was very prominent. The interior of

2576-467: The station during the peak hours. London Buses routes 121 , 217 , 279 , 317 , school routes 617 , 627 and night route N279 serve the station. London Overground London Overground (also known simply as the Overground ) is a suburban rail network serving London and its environs. Established in 2007 to take over Silverlink Metro routes, it now serves a large part of Greater London as well as Hertfordshire , with 113 stations on

2632-408: The station is also popular with commuters due to the availability of local parking. On 31 May 2015 the station and all services that call here, transferred from Abellio Greater Anglia to London Overground Rail Operations . All services at Turkey Street are operated by London Overground using Class 710 EMUs . The typical off-peak service in trains per hour is: Additional services call at

2688-516: The station was on the other side of the railway bridge and a wide footbridge over the Turkey Brook led directly to the Cheshunt-bound platform. This entrance was disused from the early 1970s onwards and the former station building was converted to a newsagent and general store ; the footbridge was used for storage for the shop and the entrance to the actual station area had a large iron gate but

2744-551: The traction current to motors on both cars. The multiple unit traction control system was developed by Frank Sprague and first applied and tested on the South Side Elevated Railroad (now part of the Chicago 'L' ) in 1897. In 1895, derived from his company's invention and production of direct current elevator control systems, Frank Sprague invented a multiple unit controller for electric train operation. This accelerated

2800-426: The two cars in the set. Since neither car can operate without its "partner", such sets are permanently coupled and can only be split at maintenance facilities. Advantages of married pair units include weight and cost savings over single-unit cars (due to halving the ancillary equipment required per set) while allowing all cars to be powered, unlike a motor-trailer combination. Each car has only one control cab, located at

2856-607: Was announced that, while orange would remain the overall Overground brand colour and continue to appear on the roundels, each of the six Overground lines would be given distinct colours and names – Lioness, Mildmay , Windrush , Weaver, Suffragette , and Liberty – that are intended to reference London's diverse history and communities. Rail services in Great Britain are mostly run under franchises operated by private train operating companies, marketed together as National Rail. The concept of developing

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2912-411: Was bricked up when the station was rebuilt. The platforms were of standard length and had large open-fronted waiting areas with concrete walls and felt-covered wooden roofs with a long single bench along the rear wall. These were demolished when the station was rebuilt. In the 1980s the station was served by British Rail Class 305 EMUs going to and from London Liverpool Street and Cheshunt. Around

2968-558: Was criticised by local politicians during the planning phase of the project. No stations are planned at these locations as the line is on high railway arches, making the cost of any station construction prohibitive. On 31 May 2015, the Liverpool Street to Enfield Town , Cheshunt (via Seven Sisters ) and Chingford services, as well as the Romford to Upminster service, were transferred from Greater Anglia to TfL to become part of

3024-548: Was given the marketing name Crosstown Linkline , and operated with basic two-car diesel multiple units. The next initiative came from the GLC in 1984, when the government supported the Broadgate development that would entail the demolition of Broad Street station. The closure process was convoluted because of problems in making alternative arrangements for the North London line, and the remaining services operating from Watford Junction to

3080-602: Was launched in 2000. But the lobbying discreetly continued, with a series of short briefings published by one RDS member based in North London. Mayoral and GLA candidates were approached to discuss the viability of the Outer Circle concept. The principle was widely supported and was adopted into the first Mayor's Transport Plan, published in 2001. Meanwhile, a pilot scheme was launched in 2003 to bring several National Rail local services, mainly in South London, operated by Connex South Eastern , Southern and South West Trains under

3136-571: Was put on hold in 2009, although a suitable station 'foundation structure' has been built to facilitate completion in the future. Funding for the railway rebuilding project was secured in February 2009, including £64 million from the Department for Transport (DfT) and £15 million from TfL, and construction began in May 2011. The route passes over both Loughborough Junction and Brixton stations without stopping, and this lack of interchange stations

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