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Metropolitan line - Wikipedia, the free encyclopedia

Metropolitan line

From Wikipedia, the free encyclopedia

Metropolitan
Colour on map Magenta
Year opened 1863
Line type Sub-Surface
Rolling stock A Stock
Stations served 34
Length (km) 66.7
Length (miles) 41.5
Depots Neasden
Journeys made 53,697,000 (per annum)
Rail lines of
Transport for London
London Underground lines
  Bakerloo
  Central
  Circle
  District
  Hammersmith & City
  Jubilee
  Metropolitan
  Northern
  Piccadilly
  Victoria
  Waterloo & City
Other lines
  Docklands Light Railway
  Tramlink
  Overground

The Metropolitan line is part of the London Underground, coloured Magenta[1] on the Tube map. It was the first underground railway (or subway) in the world, opening on January 10, 1863 (however, parts of that initial section are no longer served by the Metropolitan line, but by the Hammersmith & City, District and Circle lines). The main line runs from Aldgate in the City of London to Amersham, with branch lines to Uxbridge, Watford and Chesham. For the initial section of the line the rails are in tunnel for much of the way; beyond Baker Street, at Finchley Road the line runs in the open. Out of the 34 stations served, only 9 are underground. It is now the least used line on the Underground for its length of track; ironically it is the oldest line and initially covered the bulk of the Underground system. Today it is the ninth busiest line on the network.[citation needed]

The four-track layout for part of the distance — between Wembley Park and Moor Park — allows for the running of express or "fast" services to the outer suburbs. Baker Street is the terminus for some trains, with others continuing into the City to Aldgate.

It is the fastest line on the London Underground network - Before the late 1990s/early 2000s, the fast line north of Harrow-on-the-Hill was 70mph. However, the Metropolitan stock has now been limited to 50mph but the stock is still the fastest. Line speeds have dropped accordingly with the majority of the line north of Finchley Road limited to 50mph, and where National rail services run on the line it is 60mph.

Contents

[edit] History

Metropolitan line Heraldry
Metropolitan line Heraldry

The origins of the Metropolitan line lie with the incorporation, in 1853, of the North Metropolitan Railway, the original name of the Metropolitan Railway, which railway had been empowered, with the Metropolitan District Railway to complete an Inner Circle of railways in London. The first section was opened from near Paddington to Farringdon Street (now Farringdon station) in January 1863; work on the railway had begun in February 1860 using the "cut-and-cover" method of construction. This caused massive traffic disruption in north London: during the work the Fleet Sewer bursting into the diggings, flooding the partly-built tunnel.

Between its opening and the 1930s the railway was expanded until its total mileage exceeded 90, most of it progressively electrified from 1905. In 1933 the Metropolitan Railway was taken over by the London Passenger Transport Board, becoming the Metropolitan line of the London Underground. The line was successively rationalised during this period. The section north-west of Aylesbury was closed in 1936 (though services did get to Quainton Road again between 1943 and 1948). In the same year a service extension from Whitechapel to Barking was implemented along the District line tracks. In 1939 the Stanmore extension was taken over by the Bakerloo line (it now forms the original core of the Jubilee line). In 1948 it was nationalised, along with the rest of the Underground.

Steam-hauled passenger trains ran north of Rickmansworth until 1961 and maintenance trains as late as 1972. A major modernisation of the that arm of the network line took place by 1960. The service was totally electrified to Amersham and Chesham, while the service beyond Amersham was withdrawn in September 1961, along with the steam passenger service. The line north of Harrow was quadrupled to Northwood Hills by 1961 and Croxleyhall Junction (north of Moor Park) by 1962. It is perhaps somewhat astonishing that prior to that local and semi-fast services from Aylesbury to Harrow had shared the double-track with main line expresses of the former Great Central route.

Another major change took place in 1988, when the Hammersmith & City line and East London line — which already had well-defined individual identities — were split off from the Metropolitan line to be run separately. The Metropolitan line is now confined to its northern extension from Baker Street, through the area that came to be known as "Metro-land", plus its original track to Aldgate, running through the tunnels opened by the Metropolitan Railway back in 1868. The East London line shared stock with the Metropolitan line until its closure in 2007 for conversion to London Overground. While there is no passenger interchange between the two lines, there is a physical connection (via Aldgate East), although this is expected to be redundant once the ELL re-opens, as it will have its own stock.

In 1998, the Metropolitan line was partly privatised in a controversial Public-Private Partnership. It is now part of the "Sub-Surface Railways" group, managed along with the Circle, Hammersmith & City and District lines by the Metronet consortium.

The Metropolitan line's influence on underground railways world-wide has been immense. The Paris Métro took its name, in full Chemin de fer métropolitain, from the Metropolitan line. This is the origin of the term metro.

[edit] Trains

The train on the left is a Metropolitan line A Stock unit, the smaller train is a Piccadilly line 1973 tube stock train
The train on the left is a Metropolitan line A Stock unit, the smaller train is a Piccadilly line 1973 tube stock train

The current rolling stock in use on the Metropolitan line is the sub-surface gauge A Stock built by Cravens in Sheffield, which were shared with the East London line until 2007. While it ran in service with unpainted aluminium bodywork for many years, since refurbishment the stock has received the now standard white and blue Underground livery, with red ends. Metropolitan line services are usually formed of two four-car units coupled together for a total of eight cars, although the Chesham shuttle service is served by four-car trains, as was the East London Line.

The A Stock trains were built in the early 1960s and are now the oldest trains operating on the London Underground. They replaced a wide variety of older rolling stock, including trains with hinged doors and compartments (T Stock electric multiple units for Watford services and locomotive-hauled carriages for Aylesbury services), as well as London Underground P stock (built in 1937) and F Stock (built in 1920) used on Uxbridge services. The A Stock trains are due to be replaced by the new S Stock.


[edit] Map

Geographical layout of the Metropolitan line


The TFL line diagram is available online.

[edit] Stations

Metropolitan Line (Main route)
tSTR
Jubilee Line
tKRZt tABZ3lg
To Circle Line
tSTR TUNNELe
tCPICl CPICr
Baker Street
tSTR TUNNELa
TUNNELe TUNNELe STRrg
London to Aylesbury Line (to Marylebone station)
CPICl CPICr STR
Finchley Road
CPICl CPICr STR
Wembley Park
eABZrg eABZrf STR
KBFe STR STR
Stanmore (1932-1939)
eHST STR
Preston Road (1908-1932)
HST STR
Preston Road (1932-)
HST STR
Northwick Park
CPICl CPICr
Harrow-on-the-Hill
ABZlf KRZo STRlg
STR STR KBFe
Uxbridge (1938-)
HST STR
HST STR
North Harrow
HST STR
Pinner
HST STR
Northwood Hills
BHF STR
Northwood
HST STR
Moor Park
STRrg exABZ rd STR
Watford Curve
HST STR STR
Croxley
HSTe STR STR
Watford
CPICl CPICr
Rickmansworth
CPICl CPICr
Chorleywood
CPICl CPICr
Chalfont & Latimer
STRrg ABZrf STR
HSTe STR STR
Chesham
xCPICle CPICr
Amersham
Dates relate to Metropolitan Railway operations

In order from east to west

[edit] Shared Circle and Hammersmith and City lines

[edit] Core section

The Metropolitan line diverges from the Circle/Hammersmith & City lines just east of Baker Street station, where they use separate platforms, at a roughly 45 degree angle to the Circle/Hammersmith & City platforms.

At Wembley Park, the Metropolitan lines split from two tracks to four, with the faster lines on the outside. Fast services (typically to Amersham) and semi-fast services (typically to Watford) do not stop at Preston Road or Northwick Park. During the peaks, they also skip Wembley Park.

At Harrow, the line splits into two branches — the main line to Northwood and the Uxbridge branch.

[edit] Uxbridge branch

(continuing from Harrow on the Hill)

[edit] Northwood branch

(continuing from Harrow on the Hill)

After Harrow-on-the-Hill the lines are re-arranged into two parallel pairs, the slow (the northerly pair) and the fast. The fast lines are also shared with the National Rail line to Aylesbury (operated by Chiltern Railways) which had hitherto run parallel. The stations between Harrow-on-the-Hill and Moor Park (exclusive) only have platforms on the slow lines, and can only be stopped at by slow and semi-fast services, which usually run to Watford. At Moor Park the line splits, with the fast line forming the main line towards Amersham and the slow line heading off towards Watford.

[edit] Watford branch

(continuing from Moor Park - a triangular connection also exists, allowing trains to run between Watford and Rickmansworth, and there are a few early-morning/late-evening services that do this).

[edit] Towards Amersham

(continuing from Moor Park)

Stations between Rickmansworth and Amersham are also served by most Chiltern services to Aylesbury.

Here trains either continue to Amersham or, during peak hours, go straight through on a separate branch to Chesham. At all other times there is a shuttle between Chalfont & Latimer and Chesham, which involves a change from Amersham trains. The service frequency between Chalfont & Latimer and Chesham is roughly every 30 minutes.

or

[edit] Former Stations

How Marlborough Road might have appeared on the London Underground Map today if it remained open
How Marlborough Road might have appeared on the London Underground Map today if it remained open

St John's Wood section

Beyond Amersham

Verney Junction Branch

Brill Tramway

Main article: Brill Tramway

[edit] Current service pattern

Platform information sign at Moorgate station advising passengers that some Metropolitan line trains do not call at all stations. Over the years the list of stations 'non-stopped' has varied, with (for instance) at one time Harrow-On-The-Hill and West Harrow being included in the list. The list shown here is correct for 2007.  Trains that omit Wembley Park only do so during peak hours, in both directions.
Platform information sign at Moorgate station advising passengers that some Metropolitan line trains do not call at all stations. Over the years the list of stations 'non-stopped' has varied, with (for instance) at one time Harrow-On-The-Hill and West Harrow being included in the list. The list shown here is correct for 2007. Trains that omit Wembley Park only do so during peak hours, in both directions.

The Metropolitan line, unlike other London Underground lines, operates express services (the Piccadilly line runs a fast service between Hammersmith and Turnham Green/Acton Town, but the intermediate stations are served by the District line, and so all Piccadilly line trains stop at all regular Piccadilly line stations on their route, in the same way as the Metropolitan by-passes Jubilee line stations between Finchley Road and Wembley Park). Fast services, usually to Amersham, call at Baker Street, Finchley Road, Wembley Park, Harrow-on-the-Hill, Moor Park and then all stations. There are also semi-fast services, usually in the peak, which use the fast stopping pattern as far as Harrow-on-the-Hill, but then run all stations, usually to Watford.

The current off-peak service pattern is as follows:

  • 6tph Uxbridge — Aldgate (all stations)
  • 6tph Watford — Baker Street (all stations)
  • 4tph Amersham — Baker Street (Fast). This section is also served by 2tph Chiltern Railways trains between Marylebone and Aylesbury, providing a 6tph service between Amersham and London.
  • 2tph Chesham — Chalfont & Latimer
(tph=trains per hour)

During peak hours the services vary much more. Trains can run through from Aldgate to any destination, and each terminus gets a mixture of fast and semi-fast – which generally don't stop at Wembley Park – and all stations services. Through trains also run between Chesham and London. There are also a few early-morning/late-evening trains from Rickmansworth to Watford.

This is the only line not to have any interchange with the District Line since much of the Metropolitan Line has been taken over by the Circle and Hammersmith and City lines.

[edit] Future plans

[edit] Croxley Rail Link

Main article: Croxley Rail Link

Transport for London and Hertfordshire County Council are developing plans to divert the line from the current Watford station and re-route it over the disused Croxley Green branch line to Watford Junction, which subject to planning permission will be open in 2011 [2]. The current station is located in a housing estate by Cassiobury Park, rather than serving the centre of Watford. A new station would be provided at Ascot Road and Watford West will be refurbished and reopened.[3]

[edit] Reorganisation

As part of a wider overhaul of the Sub-Surface Lines, there are also plans to run through Metropolitan line trains from Uxbridge to Barking. This would be to replace Hammersmith & City line services which would be curtailed or withdrawn as part of the Circle line re-organisation. However, this would only be possible after the delivery of new rolling stock, which is due to arrive from 2009[4], as there are a number of gauge infingements which mean that the Metropolitan line's A stock trains are banned east of Aldgate.[5] [6]

[edit] Lords

North of Baker Street there is a noticeably long gap until the next station at Finchley Road. This section once had three stops on it, all of which closed when a nearby stretch, now part of the Jubilee Line, was opened in 1939.[7]. There have been recent proposals to re-open or construct a new Metropolitan station on this section, tied in with the main Line out of Marylebone which has a similarly long gap. A new station could provide a valuable interchange between the two, as well as serving the surrounding district, possibly in the vicinity of Lord's cricket ground which was once served by its own Lord's tube station which closed in 1939[8]. This is unlikely to happen in the near future, despite recently announced redevelopment of the ground. [9]

[edit] References

[edit] External links


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