|Colour on Map||Red|
|Line Type||Deep Tube|
|Rolling Stock||London Underground 1992 Stock|
|Length||74km (46 mi)|
The Central line is a line of the London Underground and coloured red on the Tube Map. It is a deep-level "tube" line, running east-west across London, and has the greatest total length of track on the Underground. Out of the 49 stations served, 24 are below ground. It is the second busiest line on the Underground.
Former Rolling Stock
When opened in 1900, the railway was operated by electric locomotives hauling coaches. The coaches were fitted with gates at each end, similar to those used on the City and South London Railway and the Glasgow Subway. The locomotives, with a large unsprung weight, proved highly unsatisafactory and the cause of considerable vibration. They were replaced as early as 1903 with motor cars, with the existing coaching stock being adapted to run as trailers within newly formed electric multiple units.
By the 1920s the rolling stock was in need of modernisation or replacement. Given that the then-new London Underground Standard Stock was too large to work in the line's tunnels, it was decided to modernise the existing fleet. The end gates were removed and replaced by an extension to the passenger accommodation. Two air operated single-leaf sliding doors were inserted into both sides of each carriage. Reconstruction work was carried out by the Union Construction Company at Feltham.
The London Underground 1900/1903 Stock and London Underground 1920 Stock were finally withdrawn from service in 1939. With the enlargement of the tunnels and modification of the electrical supply, Standard Stock (displaced from the Northern Line by new London Underground 1938 Stock) was operated - eventually as 8-car trains following platform extensions.
The Standard Stock became increasingly unreliable during the 1950s. Some had been stored during World War II pending the opening of extensions. Plans for replacement (using a production version of the prototype London Underground 1960 Stock) were abandoned; new trains of [[London Underground 1962 Stock (virtually identical to the tried and tested 1959 Stock) were ordered instead. These operated until their replacement by London Underground 1992 Stock in the early 1990s.
The Epping-Ongar branch was not electrified until 1957, prior to which the service was operated on behalf of London Transport by British Railways using steam hauled coaches. Upon electrification, two-car sets of London Underground 1935 Stock were initially used, later replaced by 4-car sets of 1962 Stock specially modified to cope with the limited current. The section closed in 1994.
In common with virtually all other Underground lines, the Central line is worked by a single type of rolling stock. The London Underground 1992 Stock as introduced gradually from April 1993 to February 17 1995, and was the first in London to introduce automated announcement of the next station and connections available. The 1992 stock is painted in the standard red, white and blue Underground livery and runs in 8-car sets.
In 1996 the line was fitted with Automatic Train Operation, and this was brought into service in sections over the next few years.
In order from west to east. Note that the station names in italics are no longer on the Central line
West Ruislip branch
- Terminus: West Ruislip, opened November 21 1948 (as West Ruislip (for Ickenham)); the suffix was later dropped.
- Ruislip Gardens, opened November 21, 1948.
- South Ruislip, opened November 21 1948.
- Northolt, opened November 21 1948.
- Greenford, opened June 30 1947.
- Perivale, opened June 30 1947.
- Hanger Lane, opened June 30 1947.
branch joins at North Acton:
Ealing Broadway branch
this was the main line until the post-war extensions
- Terminus: Ealing Broadway (Trains to Heathrow), opened August 3 1920.
- West Acton, opened November 5 1923.
branch joins at North Acton, using ex-GWR tracks:
- North Acton, opened November 5 1923; from here Central line tracks are used.
- East Acton, opened August 3 1920.
- White City, opened November 23 1947.
- Wood Lane, opened May 14 1908; closed November 22 1947.
- Shepherd's Bush, opened July 30 1900.
- Holland Park, opened July 30 1900.
- Notting Hill Gate, opened July 30 1900.
- Queensway, opened July 30 1900 (as Queens Road); renamed September 1 1946.
- Lancaster Gate, opened July 30 1900.
- Marble Arch, opened July 30 1900.
- Bond Street, opened September 24 1900.
- Oxford Circus, opened July 30 1900.
- Tottenham Court Road, opened June 22 1907 (as Oxford Street); renamed March 9 1908.
- British Museum, opened July 30 1900; closed September 24 1933.
- Holborn, opened September 25 1933 (as Holborn (Kingsway)); the suffix was later dropped.
- Chancery Lane, opened July 30 1900; renamed Chancery Lane (Grays Inn) June 25 1934; the suffix was later dropped.
- St. Paul's, opened July 30 1900 (as Post Office); renamed February 1 1937.
- Bank, opened July 30 1900.
- Liverpool Street (Trains to Stansted), opened July 28 1912.
- Bethnal Green, opened December 4 1946.
- Mile End, opened December 4 1946.
- Stratford, first served December 4 1946.
- Leyton, first served May 5 1947.
- Leytonstone, first served May 5 1947.
Splits into two branches.
see also: Fairlop Loop
- Wanstead, opened December 14 1947.
- Redbridge, opened December 14 1947.
- Gants Hill, opened December 14 1947.
- Newbury Park, first served December 14 1947.
- Barkingside, first served May 31 1948.
- Fairlop, first served May 31 1948.
- Hainault, first served May 31 1948.
The Greater London boundary with Essex is at Grange Hill
- Grange Hill, first served November 21 1948.
- Chigwell, first served November 21 1948.
- Roding Valley, first served November 21 1948. (and is currently least used station on the network)
Terminates at Woodford [see Ongar Branch] (except for rush hours)
Epping branch (formally Ongar Branch)
- Snaresbrook, first served December 14 1947.
- South Woodford, first served December 14 1947 (as South Woodford (George Lane)); renamed 1947.
- Terminus for Woodford branch: Woodford, first served December 14 1947.
The Greater London boundary with Essex is between Woodford and Buckhurst Hill
- Buckhurst Hill, first served November 21 1948.
- Loughton, first served November 21 1948.
- Debden, first served September 25 1949.
- Theydon Bois, first served September 25 1949.
- Terminus: Epping, first served September 25 1949.
Note: the remaining stations to Ongar were served by a shuttle service from Epping.
- Denham (never connected)
- Harefield Road Station (never opened)
- Wood Lane (closed 1947)
- British Museum (closed 1933)
- North Weald first served September 25 1949; closed September 30 1994.
- Blake Hall first served September 25 1949; closed: October 31 1981.
- Ongar first served September 25 1949; closed September 30 1994.
The developers of the First Central business park at Park Royal, West London were planning a new station between North Acton and Hanger Lane. This would have served the business park and provide a walking distance interchange with Park Royal station on the Piccadilly Line. This is not currently being actively pursued.
If the Chelsea-Hackney line is built then it is intended that it will take over the Epping branch of the Central line. Current hopes are that this will be completed by 2025.
It would be possible to provide an interchange with London Overground at Shoreditch High Street station which is due to open in 2010 but current thinking is that the disadvantages to existing passengers outweigh the benefits.
On the 11 May 2008 a petition for the government to fund London Underground for the re-extension of the Central line to Ongar via North Weald opened. Proposals for the stations to bring more revenue are in planning. The deadline for signing the petition is the 11 December 2008. It is available to sign online 
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