The Northern line is a London Underground line that runs from south-west to north north-west London, with two branches through central London and three in north London. It runs northwards from its southern terminus at Morden in the borough of Merton to Kennington in Southwark, where it divides into two central branches, one via Charing Cross in the West End and the other via Bank in the City. These re-join at Camden Town where the line again divides into branches, one to High Barnet and the other to Edgware. On the High Barnet branch there is a single-station spur (sub-branch) at Finchley Central with a shuttle train to Mill Hill East. All three northern termini are in the London Borough of Barnet.
Northern line | |
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![]() | |
![]() 1995 Stock leaving the tunnel north of Hendon Central | |
Overview | |
Stations | 50 |
Colour on map | Black |
Website | tfl.gov.uk |
Service | |
Type | Rapid transit |
System | London Underground |
Depot(s) |
|
Rolling stock | 1995 Stock |
Ridership | 252.310 million passenger journeys (2011/12)[2] |
History | |
Opened |
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Last extension | 6 December 1926 |
Technical | |
Line length | 58 km (36 mi) |
Character | Deep-tube |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Operating speed | 45 mph (72 km/h)[3] |
For most of its length it is a deep tube line.[nb 1] The portion between Stockwell and Borough opened in 1890 and is the oldest section of deep-level tube line on the Underground network. About 294 million passenger journeys were recorded in 2016/17 on the Northern line, making it the busiest on the Underground.[4] It is unique in having two different routes through central London and two northern branches. 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 are 50 stations in total on the line, of which 36 have platforms below ground.
The line has a complicated history. The current arrangement of two main northern branches, two central branches and the southern unification reflects its genesis as three separate railways, combined in the 1920s and 1930s. An extension in the 1920s used a route originally planned by a fourth company. Abandoned plans from the 1920s to extend the line further southwards, and then northwards in the 1930s, would have incorporated parts of the routes of two further companies. From the 1930s to the 1970s, the tracks of a seventh company were also managed as a branch of the Northern line.[nb 2] An extension of the Charing Cross branch from Kennington to Battersea is currently under construction, which will give the Northern line a second southern branch. There are also proposals to split the Northern line into separate distinct lines with their own identities following major upgrades. It is coloured black on the current Tube map.
History
Formation
- See City and South London Railway and Charing Cross, Euston and Hampstead Railway for detailed histories of these companies
The core of the Northern line evolved from two railway companies: the City & South London Railway (C&SLR) and the Charing Cross, Euston & Hampstead Railway (CCE&HR).
The C&SLR, London's first deep-level tube railway, was built under the supervision of James Henry Greathead, who had been responsible, with Peter W. Barlow, for the Tower Subway.[5] It was the first of the Underground's lines to be constructed by boring deep below the surface and the first to be operated by electric traction.[6] The railway opened in November 1890 from Stockwell to a now-disused station at King William Street.[7] This was inconveniently placed and unable to cope with the company's traffic so, in 1900, a new route to Moorgate via Bank was opened.[8] By 1907 the C&SLR had been further extended at both ends to run from Clapham Common to Euston.[9]
![](http://wikiimg.tojsiabtv.com/wikipedia/commons/6/69/Formation_of_the_Northern_Line_small.png)
The CCE&HR (commonly known as the "Hampstead Tube") was opened in 1907 and ran from Charing Cross (known for many years as Strand) via Euston and Camden Town (where there was a junction) to Golders Green and Highgate (now known as Archway).[10][11] It was extended south by one stop to Embankment in 1914 to form an interchange with the Bakerloo and District lines.[11][12] In 1913, the Underground Electric Railways Company of London (UERL), owner of the CCE&HR, took over the C&SLR, although they remained separate companies.[13]
Integration
During the early 1920s, a series of works was carried out to connect the C&SLR and CCE&HR tunnels to enable an integrated service to be operated. The first of these new tunnels, between the C&SLR's Euston station and the CCE&HR's station at Camden Town, had originally been planned in 1912,[14] but had been delayed by World War I.[15] Construction began in 1922 and it opened in 1924.[11][15] The second connection linking the CCE&HR's Embankment and C&SLR's Kennington stations opened in 1926.[11][15] It provided a new intermediate station at Waterloo to connect to the main line station there and the Bakerloo line. The smaller-diameter tunnels of the C&SLR were also enlarged to match the standard diameter of the CCE&HR and the other deep tube lines.[16]
Extensions
In conjunction with the works to integrate the two lines, two major extensions were undertaken: northwards to Edgware in Middlesex (now in the London Borough of Barnet) and southwards to Morden in Surrey (then in the Merton and Morden Urban District, but now in the London Borough of Merton).
Edgware Extension
The Edgware extension used plans dating back to 1901 for the Edgware and Hampstead Railway (E&HR)[17] which the UERL's subsidiary, the London Electric Railway, had taken over in 1912.[18] It extended the CCE&HR line from its terminus at Golders Green to Edgware in two stages: to Hendon Central in 1923 and to Edgware in 1924.[11][19] The line crossed open countryside and ran mostly on viaduct from Golders Green to Brent and then on the surface, apart from a short tunnel north of Hendon Central.[19] Five new stations were built to pavilion-style designs by Stanley Heaps, head of the Underground's Architects Office, stimulating the rapid northward expansion of suburban developments in the following years.[20]
Morden Extension
The engineering of the Morden extension of the C&SLR from Clapham Common to Morden was more demanding, running in tunnels to a point just north of Morden station, which was constructed in a cutting. The line then runs under the wide station forecourt and public road outside the station, to the depot. The extension was initially planned to continue to Sutton[21] over part of the route for the unbuilt Wimbledon and Sutton Railway, in which the UERL held a stake, but agreements were made with the Southern Railway to end the extension at Morden. The Southern Railway built the surface line from Wimbledon to Sutton in the 1930s, via South Merton and St. Helier.[nb 3] The tube extension itself opened in 1926, with seven new stations, all designed by Charles Holden in a modern style. Originally, Stanley Heaps was to design the stations, but after seeing these designs Frank Pick, Assistant Joint Manager of the UERL, decided Holden should take over the project.[22]
With the exception of Morden and Clapham South, where more land was available, the new stations were built on confined corner sites at main road junctions in areas that had been already developed. Holden made good use of this limited space and designed striking buildings. The street-level structures are of white Portland Stone with tall double-height ticket halls, with the London Underground roundel made up in coloured glass panels in large glazed screens. The stone columns framing the glass screens are surmounted by a capital formed as a three-dimensional version of the roundel. The large expanses of glass above the entrances ensure that the ticket halls are bright and, lit from within at night, welcoming.[23] The first and last new stations on the extension, Clapham South and Morden, include a parade of shops and were designed with structures capable of being built above (like many of the earlier central London stations). Clapham South was extended upwards soon after its construction with a block of apartments; Morden was extended upwards in the 1960s with a block of offices. All the stations on the extension, except Morden itself, are Grade II listed buildings.
Great Northern & City Railway
After the UERL and the Metropolitan Railway (MR) were brought under public control in the form of the London Passenger Transport Board (LPTB) in 1933, the MR's subsidiary, the Great Northern & City Railway, which ran underground from Moorgate to Finsbury Park, became part of the Underground as the Northern City Line. In preparation for the Northern Heights Plan, it was operated as part of the Northern line, although it was never connected to the rest of the line.
Naming
The resulting line became known as the Morden–Edgware line, although a number of alternative names were also mooted in the fashion of the contraction of Baker Street & Waterloo Railway to "Bakerloo", such as "Edgmor", "Mordenware", "Medgeway" and "Edgmorden".[24] With Egyptology very much in fashion after the discovery of the tomb of Tutankhamun in 1922, there was also a proposal to call the line the Tootancamden Line as it passed through both Tooting and Camden.[25] [26] It was eventually named the Northern line from 28 August 1937,[27] reflecting the planned addition of the Northern Heights lines.[28]
Northern Heights plan
![](http://wikiimg.tojsiabtv.com/wikipedia/commons/thumb/b/bc/Northern_Heights_diagram.png/220px-Northern_Heights_diagram.png)
- See Edgware, Highgate and London Railway for a detailed history of the company.
In June 1935, the LPTB announced the New Works Programme, an ambitious plan to expand the Underground network which included the integration of a complex of existing London and North Eastern Railway (LNER) lines north of Highgate through the Northern Heights. These lines, built in the 1860s and 1870s by the Edgware, Highgate and London Railway (EH&LR) and its successors, ran from Finsbury Park to Edgware via Highgate, with branches to Alexandra Palace and High Barnet. The line taken over would be extended beyond Edgware to Brockley Hill, Elstree South and Bushey Heath with a new depot at Aldenham. The extension's route was that planned for the unbuilt Watford and Edgware Railway (W&ER), using rights obtained from the earlier purchase of the W&ER (which had long intended an extension of the EH&LR Edgware route towards Watford). This also provided the potential for further extension in the future; Bushey's town planners reserved space in Bushey village for a future station and Bushey Heath station's design was revised several times to ensure this option would remain available in the future.
The project involved electrification of the surface lines (operated by steam trains at the time), the doubling of the original single-line section between Finchley Central and the proposed junction with the Edgware branch of the Northern line, and the construction of three new linking sections of track: a connection between Northern City Line and Finsbury Park station on the surface; an extension from Archway to the LNER line near East Finchley via new deep-level platforms below Highgate station; and a short diversion from just before the LNER's Edgware station to the Underground's station of the same name.
Intended service levels
The peak-hour service pattern was to be 21 trains an hour each way on the High Barnet branch north of Camden Town, 14 of them via the Charing Cross branch and seven via the Bank branch. 14 would have continued on beyond Finchley Central, seven each on the High Barnet and Edgware branches. An additional seven trains an hour would have served the High Barnet branch, but continued via Highgate High-Level and Finsbury Park to Moorgate, a slightly shorter route to the City. It does not seem to have been intended to run through trains to the ex-Northern City branch from Edgware via Finchley Central. Seven trains an hour would have served the Alexandra Palace branch, to/from Moorgate via Highgate High-Level. In addition to the 14 through trains described, the ex-Northern City branch would have had 14 four-car shuttle trains an hour.
Progress of works
Work began in the late 1930s, and was in progress on all fronts by the outbreak of World War II. The tunnelling northwards from the original Highgate station (now Archway) had been completed, and the service to the rebuilt surface station at East Finchley started on 3 July 1939, but without the opening of the intermediate (new) Highgate Station, at the site of the LNER's station of the same name. Further progress was disrupted by the start of the war, though enough had been made to complete the electrification of the High Barnet branch onwards from East Finchley over which tube services started on 14 April 1940; the new (deep-level) Highgate station opened on 19 January 1941. The single track LNER line to Edgware was electrified as far as Mill Hill East, including the Dollis Brook Viaduct, opening as a tube service on 18 May 1941 to serve the barracks there, thus forming the Northern line as it is today. The new depot at Aldenham had already been built and was used to build Halifax bombers. Work on the other elements of the plan was suspended late in 1939.
Work on the extension from Edgware to Bushey Heath including work on a viaduct and a tunnel started in June 1939, but was stopped after war broke out.[29] After the war, the area beyond Edgware was made part of the Metropolitan Green Belt, largely preventing the anticipated residential development in the area, and the potential demand for services from Bushey Heath thus vanished. Passenger numbers also dropped on the then-BR's Mill Hill and Alexandra Palace branches, so it was useless to electrify them. Available funds were directed towards completing the eastern extension of the Central line instead, and the Northern Heights plan was dropped on 9 February 1954. Aldenham depot was converted into an overhaul facility for buses.
The implemented service from High Barnet branch gave good access both to the West End and the City. This appears to have undermined traffic on the Alexandra Palace branch, still run with steam haulage to Kings Cross via Finsbury Park, as Highgate (low-level) was but a short bus ride away and car traffic was much lighter than it would become later. Consequently, the line from Finsbury Park to Muswell Hill and Alexandra Palace via the surface platforms at Highgate was closed altogether to passenger traffic in 1954.[citation needed] This contrasts with the decision to electrify the Epping-Ongar branch of the Central line, another remnant of the New Works programme, run as a tube-train shuttle from 1957. A local pressure group, the Muswell Hill Metro Group, campaigns to reopen this route as a light-rail service.[citation needed] So far there is no sign of movement on this issue: the route, now the Parkland Walk, is highly valued by walkers and cyclists, and suggestions in the 1990s that it could, in part, become a road were met with fierce opposition.[citation needed] Another pressure group has proposed using the track bed further north, as part of the North and West London Light Railway.[citation needed] The connection between Drayton Park and the surface platforms at Finsbury Park was opened in 1976, when the Northern City Line became part of British Rail.
1990s refurbishment and upgrade
By the early 1990s, the line had deteriorated due to years of under-investment and the use of old rolling stock, most of which dated back to the early 1960s.[30] The line gained the nickname "Misery Line" due to its perceived unreliability.[31][32] In 1995, a comprehensive refurbishment of the line began - including track replacement, power upgrades, station modernisation (such as Mornington Crescent) and the replacement of older rolling stock with new 1995 Stock thanks to a PPP deal with Alstom.[33]
Recent developments
The Northern line was originally scheduled to switch to automatic train operation in 2012, using the same SelTrac S40 system[34] as used since 2009 on the Jubilee line and for a number of years on the Docklands Light Railway.[35] Originally the work was to follow on from the Jubilee line so as to benefit from the experience of installing it there, but that project was not completed until spring 2011. Work on the Northern line was contracted to be completed before the 2012 Olympics. It is now being undertaken in-house, and TfL predicted the upgrade would be complete by the end of 2014.[36] The first section of the line (West Finchley to High Barnet) was transferred to the new signalling system on 26 February 2013[37] and the line became fully automated on 1 June 2014 with the Chalk Farm to Edgware via Golders Green section being the last part of the line to switch to ATO.[38][39]
In January 2018, Transport for London announced that it would double the period during which it runs peak evening services in the central London section to tackle overcrowding. There would now be 24 trains an hour on both central London branches and the northern branches, as well as 30 trains an hour on the Kennington to Morden section between 5pm and 7pm.[4]
24-hour weekend service
Since the mid-autumn of 2016[40] a 24-hour "Night Tube" service has run on Friday and Saturday nights from Edgware and High Barnet to Morden via the Charing Cross branch; service is suspended on the Bank branch during these times.[41] Trains run every 8 minutes between Morden and Camden Town and every 15/16 minutes between Camden Town and Edgware/High Barnet. Labour disputes delayed the planned start date of September 2015.[42]
Services
Peak
As of 2015, morning peak southbound services are:[43]
- 10 tph from Edgware to Kennington via Charing Cross
- 2 tph from Edgware to Morden via Charing Cross
- 12 tph from Edgware to Morden via Bank
- 10 tph from High Barnet to Kennington via Charing Cross
- 2 tph from High Barnet to Morden via Charing Cross
- 12 tph from High Barnet to Morden via Bank
- 4 tph from Mill Hill East to Finchley Central
This gives 24 tph service on all parts of the Northern Line except between Kennington and Morden, where services run at 28 tph, and between Mill Hill East and Finchley Central.
Off-peak
As of 2015, off-peak services are the same as peak services, minus the four hourly trains that run from Morden to the northern branches via Charing Cross:[43]
- 10 tph from Edgware to Kennington via Charing Cross
- 10 tph from Edgware to Morden via Bank
- 10 tph from High Barnet to Kennington via Charing Cross
- 10 tph from High Barnet to Morden via Bank
- 4 tph from Mill Hill East to Finchley Central
This gives a 20 tph service on all parts of the line except between Mill Hill East and Finchley Central.
Night
Since 2016, the Northern line has operated Night Tube service on Friday and Saturday nights between Morden and Edgware/High Barnet via Charing Cross. Trains run every 15 minutes on the northern branches, for four trains per hour, combining for a frequency of eight trains per hour between Camden Town and Morden. Service is suspended on the Bank branch and the Mill Hill East shuttle during Night Tube operations.[40]
- 4tph from High Barnet to Morden via Charing Cross
- 4tph from Edgware to Morden via Charing Cross
Map
![Geographical path of the Northern line](http://wikiimg.tojsiabtv.com/wikipedia/commons/thumb/b/bd/Northern_Line.svg/400px-Northern_Line.svg.png)
Stations
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![](http://wikiimg.tojsiabtv.com/wikipedia/commons/thumb/8/8b/Step-free_access_notification_%28Northern_line%29.png/250px-Step-free_access_notification_%28Northern_line%29.png)
Open stations
High Barnet branch
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
High Barnet | 1 April 1872 | High Barnet Branch | Terminus. Northern line introduced 14 April 1940map 1 | |
Totteridge & Whetstone | 1 April 1872 | High Barnet Branch | Northern line introduced 14 April 1940 map 2 | |
Woodside Park | 1 April 1872 | High Barnet Branch | Northern line introduced 14 April 1940map 3 | |
West Finchley | 1 March 1933 | High Barnet Branch | Northern line introduced 14 April 1940map 4 | |
Mill Hill East (shuttle trains to and from Finchley Central) | 22 August 1867 | Mill Hill Branch | Closed 11 September 1939, reopened 18 May 1941map 5 | |
Finchley Central | 22 August 1867 | High Barnet branch | First Northern line train was 14 April 1940map 6 | |
East Finchley | 22 August 1867 | High Barnet Branch | First Northern line train was 3 July 1939map 7 | |
Highgate | 19 January 1941 | High Barnet Branch | Disused surface station opened 22 August 1867map 8 | |
Archway | 22 June 1907 | High Barnet Branch | Originally named Highgatemap 9 | |
Tufnell Park | 22 June 1907 | High Barnet Branch | map 10 | |
Kentish Town | 22 June 1907 | High Barnet Branch | Mainline station opened 13 July 1868. map 11 |
Edgware branch
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Edgware | 18 August 1924 | Edgware Branch | Terminusmap 12 | |
Burnt Oak | 27 October 1924 | Edgware Branch | Opened with its current name, then renamed approximately 4 years after its opening and was reverted to its original name in 1950.map 13 | |
Colindale | 18 August 1924 | Edgware Branch | Used as a terminus for some trains travelling northmap 14 | |
Hendon Central | 19 November 1923 | Edgware Branch | map 15 | |
Brent Cross | 19 November 1923 | Edgware Branch | Opened as Brent, renamed 20 July 1976map 16 | |
Golders Green | 22 June 1907 | Edgware Branch | Originally a terminus, until now it is a terminus for some trainsmap 17 | |
Hampstead | 22 June 1907 | Edgware Branch | The name "Heath Street" was originally proposed to name this station as seen on wall tilings on station platform wallsmap 18 | |
Belsize Park | 22 June 1907 | Edgware Branch | One of eight London Underground stations which have deep-level air-raid shelters underneath them. The shelter was constructed in World War II to provide safe accommodation for service personnel.map 19 | |
Chalk Farm | 22 June 1907 | Edgware Branch | map 20 |
Camden Town
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Camden Town | 22 June 1907 | Main "route" | The junctions connecting the two northern branches of the Northern line to the two central branches are just south of Camden Town station. The station has a pair of platforms on each of the two northern branches, and southbound trains can depart toward either Charing Cross or Bank from either of the two southbound platforms without crossing over.map 21 |
Charing Cross branch
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Mornington Crescent | 22 June 1907 | Charing Cross branch | The station was planned to be named "Seymour Street" but was changed to Mornington Crescent. It was closed on 23 October 1992 to replace the lifts and was reopened on 27 April 1998.map 22 | |
Euston (Charing Cross branch) | 22 June 1907 | Charing Cross/Bank branch | Change for southbound Northern line service via Bank from platform 6, and Victoria linemap 23 | |
Warren Street | 22 June 1907 | Charing Cross branch | Change for Victoria linemap 24 | |
Goodge Street | 22 June 1907 | Charing Cross branch | Opened as Tottenham Court Road, renamed 3 September 1908map 25 | |
Tottenham Court Road | 22 June 1907 | Charing Cross branch | Central line opened 30 July 1900.map 26 | |
Leicester Square | 22 June 1907 | Charing Cross branch | Piccadilly line opened 15 December 1906 map 27 | |
Charing Cross | 22 June 1907 | Charing Cross branch | Bakerloo line opened as Trafalgar Square 10 March 1906. Stations combined 1 May 1979.map 28 | |
Embankment ( Embankment Pier) | 6 April 1914 | Charing Cross branch | District Railway opened 30 May 1870. Northern line extension from Charing Cross opened 6 April 1914. Extension from Kennington opened 13 September 1926, change for Bakerloo, Circle and District linesmap 29 | |
Waterloo ( Waterloo Pier, Festival Pier) | 13 September 1926 | Charing Cross branch | Waterloo and City line opened 8 August 1898. Extension from Kennington opened 13 September 1926, change for Bakerloo, Jubilee and Waterloo & City linesmap 30 |
Bank branch
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Euston (Bank branch) | 12 May 1907 | Bank branch | Change for southbound Northern line service via Charing Cross from platform 2, and Victoria linemap 23 | |
King's Cross St. Pancras ( Trains Gatwick and Luton) | 12 May 1907 | Bank branch | Metropolitan Railway station opened 10 January 1863. Change for Circle, Hammersmith & City, Metropolitan, Piccadilly and Victoria linesmap 31 | |
Angel | 17 November 1901 | Bank branch | It has the longest escalator on the entire Underground network. map 32 | |
Old Street | 17 November 1901 | Bank branch | Northern line platforms opened on February 1904map 33 | |
Moorgate | 25 February 1900 | Bank branch | Metropolitan Railway station opened 23 December 1865. Change for Circle line, Hammersmith & City & Metropolitan linesmap 34 | |
Bank | 25 February 1900 | Bank branch | Linked with Monument by escalator 18 September 1933, change for Central and Waterloo & City lines.map 35 | |
London Bridge ( Trains to Gatwick and Luton) ( London Bridge City Pier) | 25 February 1900 | Bank branch | Change for Jubilee linemap 36 | |
Borough | 18 December 1890 | Bank branch | map 37 | |
Elephant & Castle | 18 December 1890 | Bank branch | Change for Bakerloo linemap 38 |
Kennington
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Kennington | 18 December 1890 | Main route | The junction connecting the two central branches of the Northern line to the southern main line is just south of Kennington station. The station has four platforms arranged in two pairs: one pair for northbound services to each branch, the other pair for southbound services from each branch, currently all to Oval. Southbound trains on the Charing Cross branch often terminate at this station which has a terminal loop.map 39 |
Main line
Station | Image | Opened | Branch | Additional information |
---|---|---|---|---|
Oval | 18 December 1890 | Main route | map 40 | |
Stockwell | 18 December 1890 | Main route | Change for Victoria line. Original terminus until 1900, when the line was extended to Clapham Common. The station platforms were resited south of the original island platform. Formerly a depot was present branched off from the current southbound track. It is one of the eight stations that have a deep level air-raid shelter. map 41 | |
Clapham North | 3 June 1900 | Main route | One of the two remaining stations to have an island platform underground. It is also one of the eight stations that have a deep level air-raid shelter.map 42 | |
Clapham Common | 3 June 1900 | Main route | Terminus from 1900 to 1926. It is also one of the two remaining stations to have an island platform underground. It is also one of the eight stations that have a deep level air-raid shelter.map 43 | |
Clapham South | 13 September 1926 | Main route | It is one of the eight stations that have a deep level air-raid shelter.map 44 | |
Balham | 6 December 1926 | Main route | map 45 | |
Tooting Bec | 13 September 1926 | Main route | Opened as Trinity Road, renamed 1 October 1950map 46 | |
Tooting Broadway | 13 September 1926 | Main route | Used as a terminus for some trains heading southmap 47 | |
Colliers Wood | 13 September 1926 | Main route | map 48 | |
South Wimbledon | 13 September 1926 | Main route | Opened as South Wimbledon (Merton). The suffix gradually fell out of use but still can be seen on some platform signage.map 49 | |
Morden | 13 September 1926 | Main route | Terminusmap 50 |
Closed stations
Permanently closed stations
- King William Street (closed 1900, replaced by Bank)
- City Road (closed 1922)
- South Kentish Town (closed 1924)
- North End (also known as Bull & Bush - never opened – work stopped 1906)
Resited stations
- Stockwell – new platforms resited immediately to the south of its predecessor with the 1922–1924 upgrade of the line.
- Euston – Northbound City branch platform resited on new alignment parallel to northbound Victoria line, with previous island platform converted to a single platform.
- Angel – old island platform converted into a single platform, and a new alignment opened in 1992, along with a new entrance.
- London Bridge – the northbound tunnel and platform converted into a concourse, and a new northbound tunnel and platform built in the late 1990s to increase the platform and circulation areas in preparation for the opening of the Jubilee line.
Abandoned plans
Northern Heights stations not transferred from LNER
- Highgate – High-level only
- Stroud Green
- Crouch End
- Cranley Gardens
- Muswell Hill
- Alexandra Palace
- Mill Hill (The Hale)
Bushey Extension stations not constructed
- Brockley Hill
- Elstree South
- Bushey Heath
Infrastructure
Rolling stock
When the line opened, it was served by 1906 Stock. These were replaced by 1938 stock as part of the New Works Programme, later supplemented with identical 1949 Stock. When the Piccadilly line was extended to Heathrow Airport in the 1970s, its 1959 Stock and 1956 Stock (prototypes of the 1959 Stock) trains were transferred to the Northern line. As there were not enough 1956 and 1959 Stock trains to replace the Northern line's 1938 Stock fleet, they were supplemented with newly built 1972 Mark 1 Stock trains, which all served the line at the same time. A few 1972 Mark 2 stock trains also ran on this line until going to the Jubilee and now the Bakerloo where they remain in service. The few 1956 Stock trains were briefly replaced by 1962 Stock transferred from the Central line in 1995, before the entire Northern line fleet was replaced with 1995 Stock between 1997 and 1999.
Today, all Northern line trains consist of 1995 Stock in the Underground livery of red, white and blue. In common with the other deep-level lines, the trains are the smaller of the two loading gauges used on the system. 1995 stock has automated announcements and quick-close doors.[citation needed] If the proposed split of the line takes place (initial estimates of 2018 having been abandoned to focus on completion of the Battersea and Nine Elms extension work), 19 new trains will be added to the existing fleet of 106 trains,[44] though additional trains beyond the extra 19 trains may be required to provide a full service for the new Battersea extension.
Tunnels
Although two other London Underground lines operate fully underground, the Northern line is unusual in that it is a deep-level tube line that serves the outer suburbs of South London yet there is only one station above ground (Morden tube station) while the rest of this part of the line is deep below ground. The short section to Morden depot is also above ground. This is partly because its southern extension into the outer suburbs was not done by taking over an existing surface line as was generally the case with routes like the Central, Jubilee and Piccadilly lines. Apart from the core central underground tunnels, part of the section between Hendon and Colindale is also underground. As bicycles are not allowed in tunnel sections (even if no station is in that section) as they would hinder evacuation, they are limited to High Barnet – East Finchley, the Mill Hill East branch, Edgware – Colindale and Hendon Central – Golders Green.[45] There are also time-based restrictions for the sections where bicycles are allowed.[45]
The tunnel from Morden to East Finchley via Bank, 17 miles 528 yards (27.841 km),[1] was for a time the longest in the world. The Channel Tunnel linking the UK and France together is now longer.
Depots
The Northern line is serviced by four depots. The main one is at Golders Greenmap 51, adjacent to Golders Green tube station, while the second, at Morden,map 52 is south of Morden tube station and is the larger of the two. The other two are at Edgware and Highgate. The Highgate depot is on the former LNER branch to Alexandra Palace. There was originally a depot at Stockwell but it closed in 1915. There are sidings at High Barnet for stabling trains overnight.
Future
Battersea extension
The Northern line is currently being extended to serve the redevelopment of Battersea Power Station. Partially funded by private developers, the £1.2bn[46] project will extend the Charing Cross branch of the line for 3.2 km (2.0 mi) from Kennington to Battersea Power Station, with an intermediate stop at Nine Elms.[47][48] Approved by Wandsworth Council in 2010,[49] and Transport for London in 2014,[47] the construction of the line began in 2015. Tunnelling for the project was completed in 2017,[46] with the extension estimated to open in autumn 2021.[50]
Provision will be made for a future onward connection to Clapham Junction railway station by reserving a path running beneath Battersea Park.[51]
Northern line split
TfL has long aspired to split the Northern line into two separate routes.[52][53] Running trains between all combinations of branches and the two central sections, as at present, means only 24 trains an hour can run through each of the central sections at peak times, because merging trains have to wait for each other at the junctions at Camden Town and Kennington.[54] Completely segregating the routes could allow 36 trains an hour on all parts of the line.[54] TfL has already separated the Charing Cross and Bank branches during off-peak periods; however, four trains per hour still run to and from Morden via Charing Cross in the peak; the northern branches to Edgware and High Barnet cannot be separated until Camden Town station is upgraded to cope with the numbers of passengers changing trains.[54]
In 2005 London Underground failed to secure planning permission for a comprehensive upgrade plan for Camden Town tube station that would have involved demolition of the existing station entrance and several other surface-level buildings, all within a conservation area.[55][56] New plans were submitted in 2015, which avoid the existing station entrance and the conservation area by building a second entrance and interchange tunnels to the north, mostly on the site of a subsequently vacated infant school.[56] The upgrading work was expected to begin in 2020 and complete in 2024,[57] but in 2018, following the delays to Crossrail and the resultant effects on TfL's Business Plan, the station upgrade was placed on hold indefinitely.[58]
Incidents and accidents
In October 2003, a train derailed at Camden Town.[59] Although no one was hurt, points, signals and carriages were damaged. Concern was raised around the safety of the Tube, given the derailment at Chancery Lane earlier in 2003.[60] A joint report by the Underground and its maintenance contractor Tube Lines concluded that poor track geometry was the main cause, and therefore extra friction arising out of striations (scratches) on a newly installed set of points had allowed the leading wheel of the last carriage to climb the rail and derail. The track geometry at the derailment site is a very tight bend and tight tunnel bore, which precludes the normal solution for this sort of geometry of canting the track by raising the height of one rail relative to the other.[61]
In August 2010, a defective rail grinding train caused disruption on the Charing Cross branch, after it travelled four miles in 13 minutes without a driver. The train was being towed to the depot after becoming faulty. At Archway station, the defective train became detached and ran driverless until coming to a stop at an incline near Warren Street station. This caused morning rush-hour services to be suspended on this branch. All passenger trains were diverted via the Bank branch, with several not stopping at stations until they were safely on the Bank branch.[62][63]
In popular culture
- In his debut novel Ghostwritten, David Mitchell characterises the Northern line as "the psycho of the family".[64]
- The Bloc Party song "Waiting For the 7.18" references the Northern line as "the loudest".[65]
- As part of a series of twelve books tied to the twelve lines of the London Underground, A Northern Line Minute focuses on the Northern line.[66]
- The Nick Drake song "Parasite" references the Northern Line.[67]
- It is also referred to in The New Vaudeville Band song "Finchley Central" and the Squeeze song "853-5937"
- The 1982 Robyn Hitchcock song "Fifty Two Stations" begins, "There's fifty-two stations on the Northern Line/None of them is yours, one of them is mine."[68]
Maps
- ^map 1 High Barnet – 51°39′02″N 000°11′39″W / 51.65056°N 0.19417°W / 51.65056; -0.19417 (01 - High Barnet tube station)
- ^map 2 Totteridge & Whetstone – 51°37′50″N 000°10′45″W / 51.63056°N 0.17917°W / 51.63056; -0.17917 (02 - Totteridge & Whetstone tube station)
- ^map 3 Woodside Park – 51°37′05″N 000°11′08″W / 51.61806°N 0.18556°W / 51.61806; -0.18556 (03 - Woodside Park tube station)
- ^map 4 West Finchley – 51°36′34″N 000°11′18″W / 51.60944°N 0.18833°W / 51.60944; -0.18833 (04 - West Finchley tube station)
- ^map 5 Mill Hill East – 51°36′30″N 000°12′37″W / 51.60833°N 0.21028°W / 51.60833; -0.21028 (05 - Mill Hill East tube station)
- ^map 6 Finchley Central – 51°36′04″N 000°11′33″W / 51.60111°N 0.19250°W / 51.60111; -0.19250 (06 - Finchley Central tube station)
- ^map 7 East Finchley – 51°35′14″N 000°09′54″W / 51.58722°N 0.16500°W / 51.58722; -0.16500 (07 - East Finchley tube station)
- ^map 8 Highgate – 51°34′40″N 000°08′45″W / 51.57778°N 0.14583°W / 51.57778; -0.14583 (08 - Highgate tube station)
- ^map 9 Archway – 51°33′56″N 000°08′06″W / 51.56556°N 0.13500°W / 51.56556; -0.13500 (09 - Archway tube station)
- ^map 10 Tufnell Park – 51°33′24″N 000°08′17″W / 51.55667°N 0.13806°W / 51.55667; -0.13806 (10 - Tufnell Park tube station)
- ^map 11 Kentish Town – 51°33′01″N 000°08′26″W / 51.55028°N 0.14056°W / 51.55028; -0.14056 (11 - Kentish Town stationq)
- ^map 12 Edgware – 51°36′50″N 000°16′30″W / 51.61389°N 0.27500°W / 51.61389; -0.27500 (12 - Edgware tube station)
- ^map 13 Burnt Oak – 51°36′10″N 000°15′50″W / 51.60278°N 0.26389°W / 51.60278; -0.26389 (13 - Burnt Oak tube station)
- ^map 14 Colindale – 51°35′44″N 000°15′00″W / 51.59556°N 0.25000°W / 51.59556; -0.25000 (14 - Colindale tube station)
- ^map 15 Hendon Central – 51°34′59″N 000°13′34″W / 51.58306°N 0.22611°W / 51.58306; -0.22611 (15 - Hendon Central tube station)
- ^map 16 Brent Cross – 51°34′36″N 000°12′49″W / 51.57667°N 0.21361°W / 51.57667; -0.21361 (16 - Brent Cross tube station)
- ^map 17 Golders Green – 51°34′19″N 000°11′38″W / 51.57194°N 0.19389°W / 51.57194; -0.19389 (17 - Golders Green tube station)
- ^map 18 Hampstead – 51°33′25″N 000°10′42″W / 51.55694°N 0.17833°W / 51.55694; -0.17833 (18 - Hampstead tube station)
- ^map 19 Belsize Park – 51°33′01″N 000°09′52″W / 51.55028°N 0.16444°W / 51.55028; -0.16444 (19 - Belsize Park tube station)
- ^map 20 Chalk Farm – 51°32′39″N 000°09′12″W / 51.54417°N 0.15333°W / 51.54417; -0.15333 (20 - Chalk Farm tube station)
- ^map 21 Camden Town – 51°32′22″N 000°08′34″W / 51.53944°N 0.14278°W / 51.53944; -0.14278 (21 - Camden Town tube station)
- ^map 22 Mornington Crescent – 51°32′04″N 000°08′19″W / 51.53444°N 0.13861°W / 51.53444; -0.13861 (22 - Mornington Crescent tube station)
- ^map 23 Euston – 51°31′42″N 000°07′59″W / 51.52833°N 0.13306°W / 51.52833; -0.13306 (23 - Euston tube station)
- ^map 24 Warren Street – 51°31′29″N 000°08′18″W / 51.52472°N 0.13833°W / 51.52472; -0.13833 (24 - Warren Street tube station)
- ^map 25 Goodge Street – 51°31′15″N 000°08′04″W / 51.52083°N 0.13444°W / 51.52083; -0.13444 (25 - Goodge Street tube station)
- ^map 26 Tottenham Court Road – 51°30′58″N 000°07′51″W / 51.51611°N 0.13083°W / 51.51611; -0.13083 (26 - Tottenham Court Road tube station)
- ^map 27 Leicester Square – 51°30′41″N 000°07′41″W / 51.51139°N 0.12806°W / 51.51139; -0.12806 (27 - Leicester Square tube station)
- ^map 28 Charing Cross – 51°30′29″N 000°07′29″W / 51.50806°N 0.12472°W / 51.50806; -0.12472 (28 - Charing Cross tube station)
- ^map 29 Embankment – 51°30′25″N 000°07′19″W / 51.50694°N 0.12194°W / 51.50694; -0.12194 (29 - Embankment tube station)
- ^map 30 Waterloo – 51°30′09″N 000°06′47″W / 51.50250°N 0.11306°W / 51.50250; -0.11306 (30 - Waterloo tube station)
- ^map 31 King's Cross St. Pancras – 51°31′49″N 000°07′27″W / 51.53028°N 0.12417°W / 51.53028; -0.12417 (31 - King's Cross St. Pancras tube station)
- ^map 32 Angel – 51°31′55″N 000°06′22″W / 51.53194°N 0.10611°W / 51.53194; -0.10611 (32 - Angel tube station)
- ^map 33 Old Street – 51°31′33″N 000°05′14″W / 51.52583°N 0.08722°W / 51.52583; -0.08722 (33 - Old Street station)
- ^map 34 Moorgate – 51°31′07″N 000°05′19″W / 51.51861°N 0.08861°W / 51.51861; -0.08861 (34 - Moorgate station)
- ^map 35 Bank-Monument – 51°30′47″N 000°05′17″W / 51.51306°N 0.08806°W / 51.51306; -0.08806 (35 - Bank–Monument station)
- ^map 36 London Bridge – 51°30′18″N 000°05′10″W / 51.50500°N 0.08611°W / 51.50500; -0.08611 (36 - London Bridge station)
- ^map 37 Borough – 51°30′04″N 000°05′35″W / 51.50111°N 0.09306°W / 51.50111; -0.09306 (37 - Borough tube station)
- ^map 38 Elephant & Castle – 51°29′40″N 000°05′59″W / 51.49444°N 0.09972°W / 51.49444; -0.09972 (38 - Elephant & Castle tube station)
- ^map 39 Kennington – 51°29′19″N 000°06′20″W / 51.48861°N 0.10556°W / 51.48861; -0.10556 (39 - Kennington tube station)
- ^map 40 Oval – 51°28′55″N 000°06′45″W / 51.48194°N 0.11250°W / 51.48194; -0.11250 (40 - Oval tube station)
- ^map 41 Stockwell – 51°28′21″N 000°07′20″W / 51.47250°N 0.12222°W / 51.47250; -0.12222 (41 - Stockwell tube station)
- ^map 42 Clapham North – 51°27′54″N 000°07′48″W / 51.46500°N 0.13000°W / 51.46500; -0.13000 (42 - Clapham North tube station)
- ^map 43 Clapham Common – 51°27′42″N 000°08′19″W / 51.46167°N 0.13861°W / 51.46167; -0.13861 (43 - Clapham Common tube station)
- ^map 44 Clapham South – 51°27′10″N 000°08′51″W / 51.45278°N 0.14750°W / 51.45278; -0.14750 (44 - Clapham South tube station)
- ^map 45 Balham – 51°26′33″N 000°09′07″W / 51.44250°N 0.15194°W / 51.44250; -0.15194 (45 - Balham station)
- ^map 46 Tooting Bec – 51°26′09″N 000°09′35″W / 51.43583°N 0.15972°W / 51.43583; -0.15972 (46 - Tooting Bec tube station)
- ^map 47 Tooting Broadway – 51°25′40″N 000°10′06″W / 51.42778°N 0.16833°W / 51.42778; -0.16833 (47 - Tooting Broadway tube station)
- ^map 48 Colliers Wood – 51°25′06″N 000°10′42″W / 51.41833°N 0.17833°W / 51.41833; -0.17833 (48 - Colliers Wood tube station)
- ^map 49 South Wimbledon – 51°24′56″N 000°11′31″W / 51.41556°N 0.19194°W / 51.41556; -0.19194 (49 - South Wimbledon tube station)
- ^map 50 Morden – 51°24′08″N 000°11′42″W / 51.40222°N 0.19500°W / 51.40222; -0.19500 (50 - Morden tube station)
- ^map 51 Golders Green depot – 51°34′22″N 000°11′35″W / 51.57278°N 0.19306°W / 51.57278; -0.19306 (51 - Golders Green depot)
- ^map 52 Morden depot – 51°23′51″N 000°11′49″W / 51.39750°N 0.19694°W / 51.39750; -0.19694 (52 - Morden depot)
Map all coordinates using: OpenStreetMap |
Download coordinates as: KML |
See also
- T. P. Figgis, architect of the City and South London Railway's original stations
- Leslie Green, architect of the Charing Cross, Euston and Hampstead Railway's early stations
- List of crossings of the River Thames
- London deep-level shelters, most of which are under Northern line stations
- Tunnels underneath the River Thames
References
Notes
- ^ A "tube" railway is an underground railway constructed in a cylindrical tunnel by the use of a tunnelling shield, usually deep below ground level.
- ^ The seven companies were 1. the City & South London Railway, 2. the Charing Cross, Euston & Hampstead Railway, 3. the Edgware, Highgate & London Railway, 4. the Edgware & Hampstead Railway, 5. the Watford & Edgware Railway, 6. The Wimbledon & Sutton Railway and 7. the Great Northern & City Railway.
- ^ The stations that the C&SLR were to serve on the W&SR, would not have included all those subsequently built by the Southern Railway. South Morden (not built), Sutton Common, Cheam (not built) and Sutton, would have been served, but Morden South, St Helier and West Sutton were not part of the UERL's plan.
Citations
- ^ a b "Northern line facts". Transport for London. Archived from the original on 12 March 2012. Retrieved 12 March 2012.
- ^ "LU Performance Data Almanac". Transport for London. 2011–2012. Archived from the original on 3 August 2012. Retrieved 1 August 2012.
- ^ "Which London Underground line is the fastest? | CityMetric". www.citymetric.com. Retrieved 9 February 2019.
- ^ a b Smith, Rebecca (29 January 2018). "Northern Line passengers to get quicker and more frequent journeys as TfL boosts services to tackle crowding on busiest Tube line". City AM. London. Archived from the original on 30 January 2018. Retrieved 29 January 2018.
- ^ Badsey-Ellis 2005, p. 35.
- ^ Wolmar 2005, pp. 4 & 135.
- ^ Horne 2009, p. 10.
- ^ Horne 2009, p. 14.
- ^ Horne 2009, pp. 16-18.
- ^ Horne 2009, p. 26.
- ^ a b c d e Rose 2016.
- ^ Horne 2009, p. 27.
- ^ Wolmar 2005, p. 205.
- ^ "No. 28665". The London Gazette. 22 November 1912. p. 8798.
- ^ a b c Horne 2009, p. 32.
- ^ Horne 2009, pp. 32-33.
- ^ "No. 27380". The London Gazette. 26 November 1901. p. 8200.
- ^ Horne 2009, p. 28.
- ^ a b Horne 2009, p. 29.
- ^ Day & Reed 2010, p. 91.
- ^ "No. 32770". The London Gazette. 24 November 1922. pp. 8314–8315.
- ^ "Underground Journeys: Moving Underground". www.architecture.com. Royal Institute of British Architects. Archived from the original on 4 May 2011. Retrieved 20 February 2011.
- ^ "Underground Journeys: South Wimbledon". www.architecture.com. Royal Institute of British Architects. Archived from the original on 7 July 2011. Retrieved 20 February 2011.
- ^ Wolmar 2005, p. 225.
- ^ Graves & Hodge 1940, p. 126.
- ^ "Was the Northern line nearly named after Tutankhamun?". ianVisits. Retrieved 25 February 2021.
- ^ Rails through the Clay; Croome & Jackson; London; 2nd ed; 1993; p228
- ^ "London Tubes' New Names – Northern and Central Lines". The Times (47772): 12. 25 August 1937. Retrieved 18 May 2009.(subscription required)
- ^ Beard 2002, pp. 90–92.
- ^ "Northern Line (Hansard, 17 March 1994)". api.parliament.uk. Retrieved 27 May 2020.
- ^ Pearce, Mike (22 June 1989). "Northern Line driverless trains". YouTube. Thames Television, Thames News.
- ^ "Call for action on Northern Line". BBC News. 12 October 2005. Retrieved 10 June 2008.
- ^ "Tubular hell". The Independent. 6 January 1997. Retrieved 27 May 2020.
- ^ Gareth Corfield (9 August 2016). "London's 'automatic' Tube trains suffered 750 computer failures last year". The Register. Retrieved 9 August 2016.
- ^ "Network Tests for New Signalling Systems" (Press release). Tube Lines. 24 August 2005. Archived from the original on 5 January 2008.
- ^ "Operational and Financial Performance Report and Investment Programme Report – Third Quarter, 2012/13" (PDF). Transport for London. 6 February 2013.
- ^ "Northern line upgrade one step closer" (Press release). Transport for London. 26 February 2013.
- ^ "Mayor of London - Transport Commitments" (PDF).
- ^ Kessell, Clive. "LU Northern line goes CBTC". Retrieved 5 October 2019.
- ^ a b "The Night Tube". Transport for London. Retrieved 28 September 2016.
- ^ "The Night Tube". Transport for London. n.d.
- ^ Topham, Gwyn (27 August 2015). "London night tube plan suspended". The Guardian. London.
- ^ a b "Twin Peaks: Timetable Changes on the Northern Line". London Reconnections. 14 January 2015.
- ^ Abbot 2010, pp. 57–58.
- ^ a b "Bicycle on Tube map" (PDF). Transport for London. June 2013. Retrieved 5 April 2015.
- ^ a b Collier, Hatty (8 November 2017). "Tunnelling work to extend Tube's Northern Line to Battersea completed". London Evening Standard. Retrieved 22 January 2018.
- ^ a b "Northern line extension to Battersea gets go-ahead" (Press release). Transport for London. 12 November 2014. Retrieved 22 January 2018.
- ^ "Northern line extension". Transport for London. Retrieved 22 January 2018.
- ^ "Battersea Power Station scheme approved" (Press release). London Borough of Wandsworth. 11 November 2010. Archived from the original on 14 October 2013. Retrieved 12 November 2010.
- ^ Prynn, Jonathan; Sleigh, Sophia (21 December 2018). "TfL under fire as Battersea Tube extension is delayed". Evening Standard. Retrieved 3 February 2021.
- ^ Henderson, Jamie (23 June 2013). "Clapham Junction next for Northern Line says London Assembly member". Wandsworth Guardian. Retrieved 12 January 2014.
- ^ "Transport 2025 – Transport Vision for a Growing World" (PDF). Transport for London. 11 November 2006. Archived from the original (PDF) on 15 July 2011. Retrieved 21 July 2008.
- ^ Lydall, Ross (12 May 2010). "Northern line service divided in £312m bid to end overcrowding". London Evening Standard. Retrieved 21 March 2013.
- ^ a b c "Twin Peaks: Timetable Changes on the Northern Line". London Reconnections. 14 January 2015.
- ^ "Camden Town Redevelopment". Alwaystouchout.com. 25 January 2006. Retrieved 30 June 2008.
- ^ a b Bull, John (14 October 2015). "Second Time Lucky: Rebuilding Camden Town Station". London Reconnections.
- ^ "TfL Camden Station Consultation" (PDF). Transport for London. p. 10.
- ^ Topham, Gwyn (11 December 2018). "Major tube upgrades shelved as TfL struggles to balance books". The Guardian. ISSN 0261-3077. Retrieved 26 January 2020.
- ^ "Second Tube train derailed". BBC News. 19 October 2003. Retrieved 27 May 2020.
- ^ "Thirty hurt after Tube crash". BBC News. 25 January 2003. Retrieved 27 May 2020.
- ^ "Track design flaws may have led to Camden Town Tube derailment". New Civil Engineer. 4 December 2003. Retrieved 27 May 2020.
- ^ "Runaway train on London Tube's Northern Line". BBC News. 13 August 2010. Retrieved 18 August 2010.
- ^ Runaway of an engineering train from Highgate 13 August 2010 (Technical report). RAIB. 2011. 09-2011.
- ^ TJ Dawe. "Literary Excerpt: David Mitchell and the Character of the London Underground Lines".
- ^ "BlocParty.net - Waiting For The 7.18". Archived from the original on 15 April 2013.
- ^ "A Northern Line Minute, The Northern Line by William Leith". Penguin Books Limited. Retrieved 28 August 2017.
- ^ "Parasite".
- ^ "Fifty Two Stations".
Bibliography
- Abbott, James (February 2010). "Northern Line split planned". Modern Railways. 67 (737). ISSN 0026-8356.
- Day, John R; Reed, John (2010) [1963]. The Story of London's Underground (11th ed.). Capital Transport. ISBN 978-1-85414-341-9.
- Badsey-Ellis, Antony (2005). London's Lost Tube Schemes. Capital Transport. ISBN 185414-293-3.
- Beard, Tony (2002). By Tube Beyond Edgware. Capital Transport. ISBN 978-1-85414-246-7.
- Blake, Jim; James, Jonathan (1993). Northern Wastes: Scandal of the Uncompleted Northern Line. London: North London Transport Society. ISBN 978-0-946383-04-7.
- Demuth, Tim (2004). The Spread of London's Underground (2 ed.). London: Capital Transport Publishing. ISBN 978-1-85414-277-1.
- Graves, Robert; Hodge, Alan (1940). The Long Week-End. Faber & Faber.
- Horne, Mike (1987). Northern Line: A Short History. London: Douglas Rose. ISBN 978-1-870354-00-4.
- Horne, Mike (2009). The Northern Line: An Illustrated History (3 ed.). London: Capital Transport Publishing. ISBN 978-1-85414-326-6.
- Lee, Charles Edward (1973). Northern Line. London: London Transport. ISBN 978-0-85329-044-5.
- Lee, Charles Edward (1967). Sixty Years of the Northern. London: London Transport. OCLC 505166556.
- Lee, Charles Edward (1957). Fifty Years of the Hampstead Tube. London: London Transport. OCLC 23376254.
- Murphy, Simon (2005). Northern Line Extensions: Golders Green to Edgware, 1922–24. London: The History Press. ISBN 978-0-7524-3498-8.
- Rose, Douglas (2016) [1980]. The London Underground, A Diagrammatic History (9th ed.). Douglas Rose/Capital Transport. ISBN 978-1-85414-404-1.
- Wolmar, Christian (2005) [2004]. The Subterranean Railway: How the London Underground Was Built and How It Changed the City Forever. London: Atlantic Books. ISBN 978-1-84354-023-6.
External links
Route map:
- "Northern Line". Clive's Underground Line Guides. 7 February 2008. Retrieved 11 July 2008.
- "Northern Heights". Underground History. 23 February 2005. Retrieved 11 July 2008.
- Above-ground route of line from Morden to Edgware, constructed from Google StreetView
- Architectural history of London Underground during 1920-30s from the Royal Institute of British Architects
- Old Street, Angel and Stockwell stations
- South Clapham, Tooting Bec and South Wimbledon