Great Northern, Piccadilly and Brompton Railway
Encyclopedia
The Great Northern, Piccadilly and Brompton Railway (GNP&BR), also known as the Piccadilly tube, was a railway company established in 1902 that constructed a deep-level underground "tube" railway in London. The GNP&BR was formed through a merger of two older companies, the Brompton and Piccadilly Circus Railway (B&PCR) and the Great Northern and Strand Railway (GN&SR). It also incorporated part of a tube route planned by a third company, the Metropolitan District Railway
Metropolitan District Railway
The Metropolitan District Railway was the predecessor of the District line of the London Underground. Set up on 29 July 1864, at first to complete the "Inner Circle" railway around central London, it was gradually extended into the suburbs...

 (MDR). The combined company was a subsidiary of the Underground Electric Railways Company of London
Underground Electric Railways Company of London
The Underground Electric Railways Company of London Limited , known operationally as The Underground for much of its existence, was established in 1902. It was the holding company for the three deep-level "tube"A "tube" railway is an underground railway constructed in a circular tunnel by the use...

 (UERL).

The B&PCR and the GN&SR were established in 1896 and 1898 respectively, but construction of both railways was delayed while funding was sought. In 1902, the UERL, which already controlled the MDR, took control of both companies and quickly raised the funds, mainly from foreign investors. A number of different routes were planned, but most were rejected by Parliament.

When it opened in 1906, the GNP&BR's line served 22 stations and ran for 14.17 kilometres (8.8 mi) between its western terminus at Hammersmith
Hammersmith
Hammersmith is an urban centre in the London Borough of Hammersmith and Fulham in west London, England, in the United Kingdom, approximately five miles west of Charing Cross on the north bank of the River Thames...

 and its northern terminus at Finsbury Park
Finsbury Park, London
Finsbury Park is an area in north London, England which grew up around an important railway interchange at the junction of the London Boroughs of Islington, Haringey and Hackney...

. A short 720 metres (2,362 ft) branch connected Holborn
Holborn
Holborn is an area of Central London. Holborn is also the name of the area's principal east-west street, running as High Holborn from St Giles's High Street to Gray's Inn Road and then on to Holborn Viaduct...

 to the Strand
Strand, London
Strand is a street in the City of Westminster, London, England. The street is just over three-quarters of a mile long. It currently starts at Trafalgar Square and runs east to join Fleet Street at Temple Bar, which marks the boundary of the City of London at this point, though its historical length...

. Most of the route was in a pair of tunnels, but 1.1 kilometre (0.683510010314787 mi) at the western end was constructed above ground. Within the first year of opening it became apparent to the management and investors that the estimated passenger numbers for the GNP&BR and the other UERL lines were over-optimistic. Despite improved integration and cooperation with the other tube railways, the GNP&BR struggled financially. In 1933 it and the rest of the UERL were taken into public ownership. Today, the GNP&BR's tunnels and stations form the core central section of the London Underground
London Underground
The London Underground is a rapid transit system serving a large part of Greater London and some parts of Buckinghamshire, Hertfordshire and Essex in England...

's Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...

.

Brompton and Piccadilly Circus Railway, 1896

In November 1896 notice was published that a private bill
Private bill
A private bill is a proposal for a law that would apply to a particular individual or group of individuals, or corporate entity. If enacted, it becomes a private Act . This is unlike public bills which apply to everyone within their jurisdiction...

 was to be presented to Parliament
Parliament of the United Kingdom
The Parliament of the United Kingdom of Great Britain and Northern Ireland is the supreme legislative body in the United Kingdom, British Crown dependencies and British overseas territories, located in London...

 for the construction of the Brompton and Piccadilly Circus Railway (B&PCR). The line was planned to run entirely underground between Air Street near Piccadilly Circus
Piccadilly Circus
Piccadilly Circus is a road junction and public space of London's West End in the City of Westminster, built in 1819 to connect Regent Street with the major shopping street of Piccadilly...

 and the south end of Exhibition Road
Exhibition Road
Exhibition Road is a street in South Kensington, London, forming a semi-border between the Royal Borough of Kensington and Chelsea and the City of Westminster...

, South Kensington
South Kensington
South Kensington is a district in the Royal Borough of Kensington and Chelsea in London. It is a built-up area located 2.4 miles west south-west of Charing Cross....

. The route was to run beneath Piccadilly
Piccadilly
Piccadilly is a major street in central London, running from Hyde Park Corner in the west to Piccadilly Circus in the east. It is completely within the city of Westminster. The street is part of the A4 road, London's second most important western artery. St...

, Knightsbridge
Knightsbridge
Knightsbridge is a road which gives its name to an exclusive district lying to the west of central London. The road runs along the south side of Hyde Park, west from Hyde Park Corner, spanning the City of Westminster and the Royal Borough of Kensington and Chelsea...

, Brompton Road
Brompton Road
Brompton Road is a street in Knightsbridge, London, in The Royal Borough of Kensington and Chelsea .It starts from Knightsbridge tube station and runs south-west through an extremely wealthy residential area until it reaches Egerton Gardens and the area to the east of South Kensington tube station...

 and Thurloe Place
Thurloe Square
Thurloe Square is a traditional garden square in South Kensington, London, England.There are private communal gardens in the centre of the square for use by the local residents. The Victoria and Albert Museum is close by to the north across Thurloe Place and Cromwell Gardens...

, with intermediate stations at Dover Street
Dover Street
Dover Street is a street in Mayfair, London, England. The street is notable for its Georgian architecture as well as the location of historic London clubs and hotels, which have been frequented by world leaders and historic figures in the arts. It also hosts a number of contemporary art galleries...

, Down Street, Hyde Park Corner
Hyde Park Corner
Hyde Park Corner is a place in London, at the south-east corner of Hyde Park. It is a major intersection where Park Lane, Knightsbridge, Piccadilly, Grosvenor Place and Constitution Hill converge...

, Knightsbridge and Brompton Road. A short branch to the east of the South Kensington terminus was planned to a depot south of Brompton Road at the end of Yeoman Row. Electricity to operate the trains was to be provided from a generating station
Power station
A power station is an industrial facility for the generation of electric energy....

 to be built about a mile south of the South Kensington terminus on the north bank of the River Thames
River Thames
The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 at Lots Road
Lots Road Power Station
Lots Road Power Station is a disused coal and later oil-fired power station on the River Thames at Lots Road in Chelsea, London in the south-west of The Royal Borough of Kensington and Chelsea, which supplied electricity to the London Underground system...

, West Brompton
West Brompton
West Brompton is an area of South West London, within the Royal Borough of Kensington and Chelsea.-History:The name refers to the older locality of Brompton to the east, although the areas of South Kensington and Earl's Court separate West Brompton from its namesake...

. Following parliamentary approval, the bill received Royal Assent
Royal Assent
The granting of royal assent refers to the method by which any constitutional monarch formally approves and promulgates an act of his or her nation's parliament, thus making it a law...

 as the Brompton & Piccadilly Circus Railway Act, 1897 on 6 August 1897.

Metropolitan District Railway deep-level tube, 1896

Also announced in November 1896 was a bill to be presented by the Metropolitan District Railway (MDR) for a tube railway to be constructed beneath its existing sub-surface line between Gloucester Road
Gloucester Road tube station
-Deep-level station:By the beginning of the 20th century, the MDR had been extended to Richmond, Ealing Broadway, Hounslow West and Wimbledon in the west and to New Cross Gate in the east...

 and Mansion House
Mansion House tube station
Mansion House is a London Underground station in the City of London, near Mansion House . It is a sub-surface station served by trains on the Circle and District Lines. It is between Blackfriars and Cannon Street stations. The station is located at the junction of Queen Victoria Street and Cannon...

 stations. The MDR operated a steam railway, running in cut and cover tunnels, and planned to ease congestion along its heavily used route by constructing an express line with just a single intermediate station at Charing Cross
Embankment tube station
Embankment is a London Underground station in the City of Westminster, known by various names during its history. It is served by the Circle, District, Northern and Bakerloo lines. On the Northern and Bakerloo lines, the station is between Waterloo and Charing Cross stations; on the Circle and...

 (now Embankment). The express line was to surface west of Gloucester Road and connect to the MDR's existing line at Earl's Court
Earl's Court tube station
Earl's Court tube station is a London Underground station in Earls Court. The station is located between Earls Court Road and Warwick Road . It is on the boundary of Travelcard Zone 1 and 2 and is in both zones....

. Since, like the B&PCR, the MDR's deep tube line would be operated with electric trains, the MDR planned to build a generating station adjacent to its Walham Green
Fulham Broadway tube station
Fulham Broadway is a London Underground station on the branch of the District Line. It is between and stations and is in Travelcard Zone 2. The station is located on Fulham Broadway . It is notable as the nearest station to Stamford Bridge stadium, the home of Chelsea Football Club...

 station (now Fulham Broadway). The bill received assent on 6 August 1897 as the Metropolitan District Railway Act, 1897.

Great Northern and Strand Railway, 1898

In November 1898 the Great Northern and Strand Railway (GN&SR) was announced as a tube railway, to run from Wood Green
Wood Green
Wood Green is a district in north London, England, located in the London Borough of Haringey. It is situated north of Charing Cross. The area is identified in the London Plan as one of the metropolitan centres in Greater London.-History:...

 to Stanhope Street, north of the Strand
Strand, London
Strand is a street in the City of Westminster, London, England. The street is just over three-quarters of a mile long. It currently starts at Trafalgar Square and runs east to join Fleet Street at Temple Bar, which marks the boundary of the City of London at this point, though its historical length...

. The GN&SR was backed by the Great Northern Railway
Great Northern Railway (Great Britain)
The Great Northern Railway was a British railway company established by the Great Northern Railway Act of 1846. On 1 January 1923 the company lost its identity as a constituent of the newly formed London and North Eastern Railway....

 (GNR), the main line railway operating from King's Cross station. The GNR saw the new company as a means of relieving congestion on its route. The GN&SR was to run beneath the GNR's main line from Wood Green
Alexandra Palace railway station
Alexandra Palace railway station is in the London Borough of Haringey in north London, and is in Travelcard Zone 3. The station, and all trains serving it, are operated by First Capital Connect...

 station (now Alexandra Palace) to Finsbury Park station
Finsbury Park station
Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

. It was then planned to run south-west through Holloway
Holloway, London
Holloway is an inner-city district in the London Borough of Islington located north of Charing Cross and follows for the most part, the line of the Holloway Road . At the centre of Holloway is the Nag's Head area...

 to King's Cross, and then south to Bloomsbury
Bloomsbury
-Places:* Bloomsbury is an area in central London.* Bloomsbury , related local government unit* Bloomsbury, New Jersey, New Jersey, USA* Bloomsbury , listed on the NRHP in Maryland...

 and Holborn
Holborn
Holborn is an area of Central London. Holborn is also the name of the area's principal east-west street, running as High Holborn from St Giles's High Street to Gray's Inn Road and then on to Holborn Viaduct...

. Intermediate stations were planned at the GNR's Hornsey
Hornsey railway station
Hornsey railway station is a suburban railway station located in Haringey, north London. It is in Travelcard Zone 3. The station is operated by First Capital Connect on behalf of Network Rail, and is situated next to the Hornsey train depot....

, Harringay
Harringay railway station
Harringay railway station is a railway station located off Wightman Road in Harringay, North London. It is on the East Coast Main Line between Finsbury Park and Hornsey and opened on 1 May 1885...

 and Finsbury Park stations, and at Holloway, York Road
York Way
York Way is a major road in the London Borough of Islington, running north for one mile from the junction of Pentonville Road and Euston Road, adjacent to King's Cross railway station towards Kentish Town and Holloway. At its northern end the road becomes Brecknock Road...

, King's Cross, Russell Square
Russell Square
Russell Square is a large garden square in Bloomsbury, in the London Borough of Camden. It is near the University of London's main buildings and the British Museum. To the north is Woburn Place and to the south-east is Southampton Row...

 and Holborn. A power station was planned next to the GNR's tracks at Gillespie Road
Gillespie Road
Gillespie Road is a road in Highbury, North London, running east-west along the north side of the Arsenal Stadium, previously home of Arsenal Football Club. Arsenal tube station was originally named Gillespie Road, before being given its current name in 1932 following pressure from the club...

. When the London County Council
London County Council
London County Council was the principal local government body for the County of London, throughout its 1889–1965 existence, and the first London-wide general municipal authority to be directly elected. It covered the area today known as Inner London and was replaced by the Greater London Council...

 planned the construction of Kingsway
Kingsway (London)
Kingsway is a major road in central London in the United Kingdom, designated as part of the A4200. It runs from High Holborn, at its north end in the London Borough of Camden, and meets Aldwych in the south in the City of Westminster at Bush House. It was built in the 1900s...

 and Aldwych
Aldwych
Aldwych is a place and road in the City of Westminster in London, England.-Description:Aldwych, the road, is a crescent, connected to the Strand at both ends. At its centre, it meets the Kingsway...

, Stanhope Street was scheduled for demolition so the southern terminus was relocated to the junction of the two new roads. The bill was enacted on 1 August 1899, as the Great Northern and Strand Railway Act, 1899.

Search for finance, 1896–1903

Although the three companies had permission to construct their railways, they still had to raise the capital
Financial capital
Financial capital can refer to money used by entrepreneurs and businesses to buy what they need to make their products or provide their services or to that sector of the economy based on its operation, i.e. retail, corporate, investment banking, etc....

 for the construction works in a competitive market.
By 1899, there were five other tube railway companies with permission to construct railways that were raising funds – the Baker Street & Waterloo Railway
Bakerloo Line
The Bakerloo line is a line of the London Underground, coloured brown on the Tube map. It runs partly on the surface and partly at deep level, from Elephant and Castle in the south-east to Harrow & Wealdstone in the north-west of London. The line serves 25 stations, of which 15 are underground...

 (BS&WR), the Charing Cross, Euston & Hampstead Railway (CCE&HR), the Great Northern & City Railway
Northern City Line
The Northern City Line is a railway line from Moorgate to Finsbury Park in London, once part of the Great Northern Electrics line. It should not be confused with the City branch of the Northern line, nor with the North London Line...

 (GN&CR), the Central London Railway
Central Line
The Central line is a London Underground line, coloured red on the tube map. It is a deep-level "tube" line, running east-west across London, and, at , has the greatest total length of track of any line on the Underground. Of the 49 stations served, 20 are below ground...

 (CLR) and the City & Brixton Railway
City and Brixton Railway
The City & Brixton Railway was an authorised underground railway line in London planned to run from King William Street in the City of London under the River Thames to Brixton via The Borough, Lambeth and The Oval...

. The already operating City & South London Railway (C&SLR) was also looking for money for extensions to its existing route and numerous other proposed, but unapproved underground railway companies were also seeking investors.

Foreign investors came to the rescue of the MDR, B&PCR and GN&SR: American financier Charles Yerkes
Charles Yerkes
Charles Tyson Yerkes was an American financier, born in Philadelphia. He played a major part in developing mass-transit systems in Chicago and London.-Philadelphia:...

, who had been lucratively involved in the development of Chicago's tram
Tram
A tram is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. It may also run between cities and/or towns , and/or partially grade separated even in the cities...

way system in the 1880s and 1890s, saw the opportunity to make similar investments in London. In March 1901 he and his backers purchased a majority of the shares of the MDR and, in September 1901, took over the B&PCR and the GN&SR. With the companies under his control, Yerkes established the UERL to raise funds to build the tube railways and to electrify
Electrification
Electrification originally referred to the build out of the electrical generating and distribution systems which occurred in the United States, England and other countries from the mid 1880's until around 1940 and is in progress in developing countries. This also included the change over from line...

 the MDR. The UERL was capitalised
Market capitalization
Market capitalization is a measurement of the value of the ownership interest that shareholders hold in a business enterprise. It is equal to the share price times the number of shares outstanding of a publicly traded company...

 at £5 million with the majority of share
Share (finance)
A joint stock company divides its capital into units of equal denomination. Each unit is called a share. These units are offered for sale to raise capital. This is termed as issuing shares. A person who buys share/shares of the company is called a shareholder, and by acquiring share or shares in...

s sold to overseas investors. Further share issues followed, which raised a total of £18 million by 1903 (equivalent to approximately £ today) for use across all of the UERL's projects.

B&PCR bill, 1899

During the progress of their 1896 bills through parliament, the MDR and the B&PCR established a relationship through a successful joint campaign of opposition to a competing proposal from the City & West End Railway. This was for a tube railway running from Hammersmith
Hammersmith
Hammersmith is an urban centre in the London Borough of Hammersmith and Fulham in west London, England, in the United Kingdom, approximately five miles west of Charing Cross on the north bank of the River Thames...

 to Cannon Street
Cannon Street
Cannon Street is a road in the south of the City of London. It runs roughly parallel with the River Thames, and about 250 metres north of it. It is the site of the ancient London Stone.-Etymology:...

, which would have duplicated parts of the MDR's and the B&PCR's approved routes. In late 1898, this common interest led to the purchase of the B&PCR by the MDR. In November 1898, a bill for the B&PCR was announced, which sought permission for short extensions at each end of its route: at its eastern end, from Piccadilly Circus to Cranbourn Street and, at the western end, connections between the B&PCR's tunnels and those of the MDR's deep tube line. Parliament rejected the eastern extension, but permitted the connection between the two lines and approved a capital injection from the MDR into the B&PCR. The bill received Royal Assent on 9 August 1899 as the Brompton & Piccadilly Circus Railway (Extensions) Act, 1899.

MDR and B&PCR bills, 1900

In November 1899 the MDR published a notice of a bill for the 1900 parliamentary session. The company was still unable to proceed with the construction of its proposed deep line, and the new bill included provisions for extensions of time for this line and for those of the B&PCR. The bill included construction and operation of the power station at the Lots Road site previously chosen by the B&PCR. The B&PCR also published notice for a bill requesting an extension of time, but this was later withdrawn and the extension request in the MDR bill was used. The time extensions were granted in the Metropolitan District Railway Act, 1900, which received assent on 6 August 1900.

B&PCR bill, 1901

In November 1900 the B&PCR published a notice of a bill for the 1901 session, in which it sought permission for two extensions. The first, eastward, took a more northerly route than the rejected 1899 extension to Cranbourn Street: it was to run via Shaftesbury Avenue
Shaftesbury Avenue
Shaftesbury Avenue is a major street in central London, England, named after Anthony Ashley Cooper, 7th Earl of Shaftesbury, that runs in a north-easterly direction from Piccadilly Circus to New Oxford Street, crossing Charing Cross Road at Cambridge Circus....

, Hart Street (now Bloomsbury Way), Bloomsbury Square
Bloomsbury Square
Bloomsbury Square is a garden square in Bloomsbury, Camden, London.- Geography :To the north of the square is Great Russell Street and Bedford Place, leading to Russell Square. To the south is Bloomsbury Way. To the west is the British Museum and Holborn tube station is the nearest underground...

, Theobalds Road and Rosebery Avenue, to The Angel
The Angel, Islington
Angel is a district of London, England, and part of the London Borough of Islington. The area is identified in the London Plan as one of 35 major centres in Greater London.-History:...

, Islington
Islington
Islington is a neighbourhood in Greater London, England and forms the central district of the London Borough of Islington. It is a district of Inner London, spanning from Islington High Street to Highbury Fields, encompassing the area around the busy Upper Street...

 where it terminated under Islington High Street. Where the line crossed other tube routes, stations were planned: at Cambridge Circus
Cambridge Circus, London
Cambridge Circus is a traffic intersection at the intersection of Shaftesbury Avenue and Charing Cross Road in central London...

 to interchange with the planned CCE&HR, and at Museum Street
Museum Street
Museum Street is a street in the Bloomsbury area of the London Borough of Camden, England. To the north is the British Museum, hence its current name. The street is populated by cafes and bookshops to appeal to the international museum-going public. To the north is Great Russell Street. To the...

 near to the CLR's recently opened British Museum
British Museum tube station
British Museum tube station was a station on the London Underground's Central Line, located on Bury Place, close to the British Museum in central London, England.-History:...

 station. The second extension took the line south-west from South Kensington, via Fulham Road
Fulham Road
Fulham Road is a street in London, England, that runs from the A219 road in right in the centre of Fulham, in the London Borough of Hammersmith and Fulham, through Chelsea to Brompton Road Knightsbridge and the A4 in Brompton, in the Royal Borough of Kensington and Chelsea.Fulham Road runs parallel...

, to connect to the MDR's line south of Walham Green station (now Fulham Broadway
Fulham Broadway tube station
Fulham Broadway is a London Underground station on the branch of the District Line. It is between and stations and is in Travelcard Zone 2. The station is located on Fulham Broadway . It is notable as the nearest station to Stamford Bridge stadium, the home of Chelsea Football Club...

). The bill also included provisions for the B&PCR to take over responsibility for construction of the section of the MDR's deep-level line from South Kensington to Earl's Court, and for a further extension of time.

The opening of the CLR on 30 July 1900 had stimulated interest in underground railways, and the B&PCR's bill was submitted to Parliament at the same time as a large number of other bills for tube lines in the capital. To review these bills, Parliament established a joint committee under Lord Windsor
Robert Windsor-Clive, 1st Earl of Plymouth
Robert George Windsor-Clive, 1st Earl of Plymouth GBE, CB, PC , known as The Lord Windsor between 1869 and 1905, was a British nobleman and Conservative politician.-Background:...

. Only the part of B&PCR's first extension as far as Museum Street was considered by the committee. The section to The Angel was held back, pending the findings of a separate committee which was investigating problems of vibration experienced on the CLR. The extension to Fulham was not discussed. By the time the committee had produced its report, the parliamentary session was almost over so the promoters of the bills were asked to resubmit them for the following 1902 session.

B&PCR, GN&SR and MDR bills, 1902

In November 1901 the B&PCR published details of its bill for the 1902 session. The extension to The Angel was dropped, and a different route eastwards from Piccadilly Circus was planned. Once again this ran to Cranbourn Street, but it continued under Long Acre and Great Queen Street
Great Queen Street
Great Queen Street is a street in central London, England in the West End. It is a continuation of Long Acre from Drury Lane to Kingsway. It runs from 1 to 44 along the north side, east to west, and 45 to about 80 along the south side, west to east...

 to meet and connect to the GN&SR's tunnels at Little Queen Street (now the northern part of Kingsway) just south of the GN&SR's planned Holborn station. The B&PCR planned stations at Wardour Street
Wardour Street
Wardour Street is a street in Soho, London. It is a one-way street south to north from Leicester Square, up through Chinatown, across Shaftesbury Avenue to Oxford Street.-History:...

, Cranbourn Street and Covent Garden
Covent Garden
Covent Garden is a district in London on the eastern fringes of the West End, between St. Martin's Lane and Drury Lane. It is associated with the former fruit and vegetable market in the central square, now a popular shopping and tourist site, and the Royal Opera House, which is also known as...

.
At Wardour Street station a branch was to leave the main route and head south-east, to connect to the MDR's deep-level line east of its station at Charing Cross. Wardour Street station was planned to have platforms on both branches. The south-west extension to Walham Green was retained with minor alterations. The new route was to branch from the original route east of Brompton Road station, which was to have platforms on both routes. Stations were planned along Fulham Road at its junctions with College Street (now Elystan Street), Neville Street, Drayton Gardens, Redcliffe Gardens, Stamford Bridge and Maxwell Road. The route would interchange with the MDR at Walham Green before coming to the surface and running parallel with the MDR as far as Parsons Green
Parsons Green tube station
Parsons Green is a London Underground station on the branch of the District Line. It is between and stations and is in Zone 2. The station is located on Parsons Green a short distance north of the green itself. The station is about half way between Fulham Road and New Kings Road...

, beyond which the line was to connect to the MDR. The requests for an extension of time and for the powers to build the MDR deep-level line from South Kensington to Earl's Court were re-presented. As the B&PCR and the GN&SR were now in common ownership, the bill also sought powers to enable the companies to merge and for the B&PCR to change its name.

At the same time, the GN&SR published details of its bill for the 1902 session. The GN&SR sought powers for a short extension of about 350 metres (1,148 ft) from its southern terminus, to Temple
Temple tube station
Temple is a London Underground station in the City of Westminster, between Victoria Embankment and Temple Place. It is on the Circle and District lines between Embankment and Blackfriars and is in Travelcard Zone 1. The station entrance is from Victoria Embankment...

 station on the MDR's existing sub-surface line where an interchange was planned. The GN&SR also sought permission to abandon the section of its route north of Finsbury Park, and to transfer its powers and obligations to the B&PCR as part of the merger. The MDR also announced a bill for 1902 which included provisions to transfer responsibility for part or all of its deep-level line to the B&PCR.

The B&PCR bill was again examined by a joint committee under Lord Windsor. The GN&SR bill was examined by a separate committee under Lord Ribblesdale
Thomas Lister, 4th Baron Ribblesdale
Thomas Lister, 4th Baron Ribblesdale , was a British Liberal politician.-Background:Born in Fontainebleau, France, Ribblesdale was the eldest son of Thomas Lister, 3rd Baron Ribblesdale, and his wife Emma daughter of William Mure, and succeeded his father in the barony in 1876.-Political...

. The B&PCR's eastward extension to Holborn to connect to the GN&SR was permitted, but the extension to Parsons Green was rejected following objections from hospitals in the Fulham Road, which were concerned that vibrations from trains might affect their patients. The B&PCR link from Piccadilly Circus to Charing Cross was rejected on the grounds that it involved sharp turns and steep gradients to avoid public buildings in the area. The merger with the GN&SR and name change were permitted. The GN&SR's extension to Temple was rejected following objections from the Duke of Norfolk
Henry Fitzalan-Howard, 15th Duke of Norfolk
Henry Fitzalan-Howard, 15th Duke of Norfolk, , styled Baron Maltravers until 1856 and Earl of Arundel and Surrey between 1856 and 1860, was a British Unionist politician and philanthropist...

 who owned the land under which it would have run. The abandonment of the route north of Finsbury Park was permitted.

The bills received Royal Assent as the Great Northern and Strand Railway Act, 1902 and the Metropolitan District Railway Act, 1902 on 8 August 1902, and as the Brompton and Piccadilly Circus Railway Act, 1902 on 18 November 1902.

GNP&BR and MDR bills, 1903

In November 1902 the newly merged company announced two bills for the 1903 parliamentary session under the GNP&BR name. The first bill requested minor powers which included the purchase of additional land for stations, and sought minor amendments to previous Acts.

The second bill sought permission for extensions east and west from the approved route. The eastern extension was to diverge from the main route immediately west of Piccadilly Circus station, which was to be expanded to have east and westbound platforms on both lines. The extension was then to pass under Leicester Square
Leicester Square
Leicester Square is a pedestrianised square in the West End of London, England. The Square lies within an area bound by Lisle Street, to the north; Charing Cross Road, to the east; Orange Street, to the south; and Whitcomb Street, to the west...

 to a station at Charing Cross. Continuing eastwards under Strand
Strand, London
Strand is a street in the City of Westminster, London, England. The street is just over three-quarters of a mile long. It currently starts at Trafalgar Square and runs east to join Fleet Street at Temple Bar, which marks the boundary of the City of London at this point, though its historical length...

, the tunnels were to cross under the branch from Holborn, with an interchange at Strand station. The line was then to continue under Fleet Street
Fleet Street
Fleet Street is a street in central London, United Kingdom, named after the River Fleet, a stream that now flows underground. It was the home of the British press until the 1980s...

 to Ludgate Circus
Ludgate Circus
Ludgate Circus is a location in the City of London at the intersection of Farringdon Street / New Bridge Street with Fleet Street/Ludgate Hill....

, where a station was to be constructed to interchange with the London, Chatham and Dover Railway
London, Chatham and Dover Railway
The London, Chatham and Dover Railway was a railway company in south-eastern England from 1859 until the 1923 grouping which united it with other companies to form the Southern Railway. Its lines ran through London and northern and eastern Kent to form a significant part of the Greater London...

's Ludgate Hill station
Ludgate Hill railway station
Ludgate Hill railway station was a station in the City of London opened by the London, Chatham and Dover Railway as its City terminus on 1 June 1865...

 (since demolished). It would then proceed south under New Bridge Street, and east under Queen Victoria Street
Queen Victoria Street, London
Queen Victoria Street, named after the British monarch from 1837 to 1901 is a long street in the City of London which runs east by north from its junction with New Bridge Street in Castle Baynard Ward, along a section that divides those of Queenhithe and Bread Street , then lastly through the...

, to connect to the MDR's proposed deep-level line west of Mansion House station. The western extension was to diverge from the approved route at Albert Gate, east of Knightsbridge station. This station was to have additional platforms on the new branch line which would head west under Knightsbridge
Knightsbridge
Knightsbridge is a road which gives its name to an exclusive district lying to the west of central London. The road runs along the south side of Hyde Park, west from Hyde Park Corner, spanning the City of Westminster and the Royal Borough of Kensington and Chelsea...

, Kensington Road
Kensington Road
Kensington Road is a section of road in the Royal Borough of Kensington and Chelsea, London, England, forming part of the A315. It runs along the south edge of Kensington Gardens. To the west it becomes Kensington High Street, to the east it becomes Kensington Gore...

 and Kensington High Street
Kensington High Street
Kensington High Street is the main shopping street in Kensington, west London. The area is identified in the London Plan as one of 35 major centres in Greater London....

, with stations at the Royal Albert Hall
Royal Albert Hall
The Royal Albert Hall is a concert hall situated on the northern edge of the South Kensington area, in the City of Westminster, London, England, best known for holding the annual summer Proms concerts since 1941....

, the MDR's High Street Kensington
High Street Kensington tube station
High Street Kensington is a London Underground station at Kensington High Street.The station is on the Circle Line between Gloucester Road and Notting Hill Gate, and the District Line between Earl's Court and Notting Hill Gate. It is in Travelcard Zone 1....

 station and Addison Road
Addison Road, London
Addison Road is a road in London, England, which connects Kensington High Street with Notting Hill and Holland Park Avenue and runs nearby to Holland Park.- History and residents :...

. The tunnels were then to follow Hammersmith Road to the MDR's Hammersmith station. There they would turn north under Hammersmith Grove and east under Goldhawk Road, to terminate on the south side of Shepherd's Bush Green
Shepherd's Bush
-Commerce:Commercial activity in Shepherd's Bush is now focused on the Westfield shopping centre next to Shepherd's Bush Central line station and on the many small shops which run along the northern side of the Green....

 near to the CLR's Shepherd's Bush terminus.

The MDR also publicised two further bills for the 1903 session. The first included provisions to formalise the agreement for the GNP&BR to build the section of the deep-level line between South Kensington and West Kensington, including the deep-level platforms at Earl's Court. The second bill sought permission to extend the deep-level line from its eastern end at Mansion House by following beneath the existing sub-surface tracks to Whitechapel
Whitechapel tube station
Whitechapel is a London Underground and London Overground station on Whitechapel Road in the Whitechapel neighbourhood of the London Borough of Tower Hamlets in east London, England. The station is located on the east–west tracks shared by the District line and Hammersmith and City line and is on...

, where the line would connect to the existing sub-surface lines to Mile End
Mile End
Mile End is an area within the East End of London, England, and part of the London Borough of Tower Hamlets. It is located east-northeast of Charing Cross...

.

Neither extension bill was debated. In February 1903, Parliament had established a Royal Commission
Royal Commission
In Commonwealth realms and other monarchies a Royal Commission is a major ad-hoc formal public inquiry into a defined issue. They have been held in various countries such as the United Kingdom, Australia, Canada, New Zealand, and Saudi Arabia...

 on London Traffic to assess the manner in which transport in London should be developed. While the Commission deliberated, any review of bills for new lines and extensions was postponed. Both bills were later withdrawn by their promoters. The powers bills were approved as the Metropolitan District Railway Act, 1903 on 21 July 1903 and the Great Northern, Piccadilly and Brompton Railway (Various Powers) Act, 1903 on 11 August 1903.

GNP&BR bills, 1905

The Royal Commission investigations continued from 1903 to early 1905, concluding with the issue of a report in June 1905. No bills were submitted for the 1904 parliamentary session, but in November 1904 the GNP&BR announced two bills for the 1905 session.
The first dealt with the Strand branch: it confirmed the layout of the junction between the branch and the main route at Holborn, and sought powers to extend the branch south under the River Thames
River Thames
The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 to the London and South Western Railway
London and South Western Railway
The London and South Western Railway was a railway company in England from 1838 to 1922. Its network extended from London to Plymouth via Salisbury and Exeter, with branches to Ilfracombe and Padstow and via Southampton to Bournemouth and Weymouth. It also had many routes connecting towns in...

's (L&SWR's) terminus at Waterloo station. The extension included moving Strand station to the corner of Surrey Street, and constructing a single tunnel from there to the BS&WR's Waterloo station
Waterloo tube station
Waterloo tube station is a London Underground station located at Waterloo station. It is the second busiest station on the network and is served by the Bakerloo, Jubilee, Northern and the Waterloo & City lines...

 which would be provided with additional lifts to serve the GNP&BR's platforms. The branch was to be operated as a shuttle with trains passing at Strand station. The junction layout and short extension to re-site Strand station were permitted, but not the extension to Waterloo. The bill received Royal Assent on 4 August 1905 as the Great Northern Piccadilly and Brompton Railway (Various Powers) Act, 1905.

The second bill again proposed extensions to the east and west, modifying the 1903 plans. In the east, the route was the same as the previous proposal as far as Ludgate Circus. Then, instead of heading south under New Bridge Street and east into Queen Victoria Street to connect to the MDR deep level route, the 1905 proposal followed under Carter Lane and Cannon Street
Cannon Street
Cannon Street is a road in the south of the City of London. It runs roughly parallel with the River Thames, and about 250 metres north of it. It is the site of the ancient London Stone.-Etymology:...

 to a station at the junction of Queen Street and Watling Street, a short distance north-east of the MDR's Mansion House station. The route then followed Queen Victoria Street to Lombard Street
Lombard Street, London
Lombard Street is a street in the City of London.It runs from the corner of the Bank of England at its north-west end, where it meets a major junction including Poultry, King William Street, and Threadneedle Street, south-east to Gracechurch Street....

 where an interchange was to be provided with the C&SLR and the CLR at Bank station
Bank and Monument stations
Bank and Monument are interlinked London Underground and Docklands Light Railway stations that form a public transport complex spanning the length of King William Street in the City of London. Bank station, named after the Bank of England, opened in 1900 and is served by the Central, Northern and...

. The route continued under Cornhill and Leadenhall Street
Leadenhall Street
Leadenhall Street is a street in the City of London, formerly part of the A11. It runs east from Cornhill to Aldgate, and west vice-versa. Aldgate Pump is at the junction with Aldgate...

 to end at Aldgate
Aldgate
Aldgate was the eastern most gateway through London Wall leading from the City of London to Whitechapel and the east end of London. Aldgate gives its name to a ward of the City...

 High Street, adjacent to the MDR's Aldgate station
Aldgate tube station
Aldgate tube station is a London Underground station located at Aldgate in the City of London.The station is on the Circle Line between Tower Hill and Liverpool Street. It is also the eastern terminus of the Metropolitan Line...

.

To the west, the 1903 proposed extension from Knightsbridge to Hammersmith via Kensington High Street remained, but it was to continue beyond Hammersmith under King Street, the final station being at the junction of King Street, Goldhawk Road and Chiswick High Road. The tunnels were to continue beyond the final station for a further 350 metres (1,148 ft) under Chiswick High Road, to end at the junction with Homefield Road. The loop north from Hammersmith to Shepherd's Bush was dropped; instead a more direct route to Shepherd's Bush was proposed as a branch from the Hammersmith extension at Addison Road. It was to run under Holland Road to Shepherd's Bush Green, with a station being constructed opposite the CLR station there. It would then continue west under Uxbridge Road
Uxbridge Road
Uxbridge Road is the name of the A4020 road in London. It starts at Shepherd's Bush Green and goes west towards Uxbridge. It passes through Acton, Ealing Broadway and Hanwell....

 to Acton Vale
Acton Vale, London
Acton Vale is a district in London, England. It lies between Acton to the west, and Shepherd's Bush to the east....

, where a depot was to be built on the surface between Agnes Road and Davis Road. To cover the cost of the proposed extensions, powers to raise further capital of £4.2 million were sought. The review of the bill in Parliament was delayed as the Royal Commission was still sitting during the first half of 1905; the bill was withdrawn by the GNP&BR in July 1905, as insufficient time then remained for completion the parliamentary process before the end of the session.

Construction, 1902–1906

With the funds available from the UERL, construction began in July 1902 at Knightsbridge, before the formal approval of the merger of the B&PCR and GN&SR. Work proceeded quickly, enabling the UERL to record in its annual report in October 1904 that 80 per cent of the tunnels had been completed and that track laying was about to begin. Stations were provided with surface buildings designed by architect Leslie Green
Leslie Green
Leslie William Green was an English architect known especially for his design of iconic stations constructed on the London Underground railway system in central London during the first decade of the 20th century....

 in the UERL house-style. This consisted of two-storey steel-framed buildings faced with red glazed terracotta
Glazed architectural terra-cotta
Glazed architectural terra-cotta is a ceramic masonry building material popular in the United States from the late 19th century until the 1930s, and still one of the most common building materials found in U.S. urban environments...

 blocks, with wide semi-circular windows on the upper floor. Except for Finsbury Park, where the platforms were close enough to the surface to be accessed by stairs, and Gillespie Road where a long ramp was used, each of the stations with platforms in tube tunnels was provided with between two and four lifts
Elevator
An elevator is a type of vertical transport equipment that efficiently moves people or goods between floors of a building, vessel or other structures...

 and an emergency spiral staircase in a separate shaft.

Works on the main route were largely complete by the Autumn of 1906, and after a period of test running the railway was ready to open in December 1906. As a result of the electrification and resignalling of the MDR's surface and sub-surface tracks in 1905, the capacity of the existing route was sufficiently increased that the construction of deep-level tunnels east of South Kensington was unnecessary, and the powers were allowed to lapse.

Opening

The official opening of the GNP&BR by David Lloyd George
David Lloyd George
David Lloyd George, 1st Earl Lloyd-George of Dwyfor OM, PC was a British Liberal politician and statesman...

, President of the Board of Trade, took place on 15 December 1906. Progress on the Strand branch was delayed, and it opened in November 1907. From its opening, the GNP&BR was generally known by the abbreviated names Piccadilly Tube or Piccadilly Railway, and the names appeared on the station buildings and on contemporary maps of the tube lines.

The railway had stations at:
  • Finsbury Park
    Finsbury Park station
    Finsbury Park Station is a busy transport interchange in North London. The interchange consists of an interconnected National Rail station, London Underground station and two bus stations. The main entrances are by the eastern bus station on Station Place...

  • Gillespie Road
    Arsenal tube station
    Arsenal tube station is a London Underground station located in Highbury, London. It is on the Piccadilly Line, in Travelcard Zone 2, between Holloway Road and Finsbury Park. Originally known as Gillespie Road, it was renamed in 1932 after Arsenal Football Club, who at the time played at the nearby...

     (now Arsenal)
  • Holloway Road
    Holloway Road tube station
    Holloway Road is a station on the London Underground. It is on the Piccadilly Line between Caledonian Road and Arsenal stations, and in Travelcard Zone 2. The station opened on 15 December 1906....

  • Caledonian Road
    Caledonian Road tube station
    Caledonian Road is a station on the Piccadilly Line of the London Underground, between King's Cross St. Pancras and Holloway Road, and in Travelcard Zone 2. It was opened on 15 December 1906 by the Great Northern, Piccadilly and Brompton Railway....

  • York Road
    York Road tube station
    York Road tube station is a disused station on the London Underground. It opened on 15 December 1906 and was one of the original stations on the Great Northern, Piccadilly and Brompton Railway , now the Piccadilly line....

     (closed 17 September 1932)
  • King's Cross
    King's Cross St. Pancras tube station
    King's Cross St. Pancras is a tube station in the London Borough of Camden, on the London Underground network, serving both King's Cross and main line stations. It is in Travelcard Zone 1. It is the fourth busiest station on the system and serves more lines than any other...

     (now King's Cross St. Pancras)
  • Russell Square
    Russell Square tube station
    Russell Square is a London Underground station on Bernard Street, Bloomsbury in the London Borough of Camden. It is a small but busy station, often used by office workers and by tourists who are staying in Bloomsbury's numerous hotels. The station is a Grade II listed building.-History:The station...

  • Holborn
    Holborn tube station
    Holborn is a station of the London Underground in Holborn in London, located at the junction of High Holborn and Kingsway. Situated on the Piccadilly Line and on the Central Line , it is the only station common to the two lines, although the two lines cross each other three times elsewhere...

  • Strand
    Aldwych tube station
    Aldwych is a closed London Underground station in the City of Westminster, originally opened as Strand in 1907. It was the terminus and only station on the short Piccadilly line branch from Holborn that was a relic of the merger of two railway schemes. The disused station building is close to the...

     (later Aldwych, opened 30 November 1907, closed 30 September 1994)
  • Covent Garden
    Covent Garden tube station
    Covent Garden is a London Underground station in Covent Garden. It is on the Piccadilly Line between Leicester Square and Holborn. The station is a Grade II listed building, on the corner of Long Acre and James Street...

     (opened 11 April 1907)
  • Leicester Square
    Leicester Square tube station
    Leicester Square is a station on the London Underground, located on Charing Cross Road, a short distance to the east of Leicester Square itself....

  • Piccadilly Circus
    Piccadilly Circus tube station
    Piccadilly Circus tube station is the London Underground station located directly beneath Piccadilly Circus itself, with entrances at every corner...

  • Dover Street
    Green Park tube station
    Green Park tube station is a London Underground station located on the north side of Green Park, close to the intersection of Piccadilly and the pedestrian Queen's Walk...

     (now Green Park)
  • Down Street
    Down Street tube station
    Down Street, also known as Down Street , is a disused station of the London Underground's Piccadilly line which closed in 1932. During World War II it was used as an air-raid shelter, notably by Winston Churchill and his War Cabinet.-History:...

     (opened 15 March 1907, closed 25 May 1932)
  • Hyde Park Corner
    Hyde Park Corner tube station
    Hyde Park Corner is a London Underground station near Hyde Park Corner in Hyde Park. It is in Travelcard Zone 1, between Knightsbridge and Green Park on the Piccadilly Line.-History:...

  • Knightsbridge
    Knightsbridge tube station
    Knightsbridge tube station is a London Underground station in Knightsbridge , The Royal Borough of Kensington and Chelsea. It is on the Piccadilly Line between South Kensington and Hyde Park Corner, and is in Travelcard Zone 1.-History:...

  • Brompton Road
    Brompton Road tube station
    Brompton Road tube station is a disused station on the Piccadilly Line of the London Underground. It is located between Knightsbridge and South Kensington.-History:...

     (closed 29 July 1934)
  • South Kensington
    South Kensington tube station
    South Kensington is a London Underground station in Kensington, west London. It is served by the District, Circle and Piccadilly lines. On the District and Circle lines, the station is between Gloucester Road and Sloane Square, and on the Piccadilly Line, it is between Gloucester Road and...

     (opened 8 January 1907)
  • Gloucester Road
    Gloucester Road tube station
    -Deep-level station:By the beginning of the 20th century, the MDR had been extended to Richmond, Ealing Broadway, Hounslow West and Wimbledon in the west and to New Cross Gate in the east...

  • Earl's Court
    Earl's Court tube station
    Earl's Court tube station is a London Underground station in Earls Court. The station is located between Earls Court Road and Warwick Road . It is on the boundary of Travelcard Zone 1 and 2 and is in both zones....

  • Barons Court
    Barons Court tube station
    Barons Court is a London Underground station in West Kensington, Greater London. This station services the District Line and the Piccadilly Line. The station is located on Gliddon Road, a short distance from Talgarth Road in the London Borough of Hammersmith and Fulham...

  • Hammersmith


The service was provided by a fleet of carriages manufactured for the UERL in France and Hungary. These carriages were built to the same design used for the BS&WR and the CCE&HR, and operated as electric multiple unit
Electric multiple unit
An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

 trains without the need for separate locomotives. Passengers boarded and left the trains through folding lattice gates at each end of cars; these gates were operated by Gate-men who rode on an outside platform and announced station names as trains arrived. The design became known on the Underground as the 1906 stock
London Underground 1906 Stock
The 1906 Stock, also known as "Gate Stock", was built for the Yerkes tube lines, Baker Street and Waterloo Railway , Great Northern, Piccadilly and Brompton Railway , and Charing Cross, Euston and Hampstead Railway ....

 or Gate stock
London Underground 1906 Stock
The 1906 Stock, also known as "Gate Stock", was built for the Yerkes tube lines, Baker Street and Waterloo Railway , Great Northern, Piccadilly and Brompton Railway , and Charing Cross, Euston and Hampstead Railway ....

. Trains for the line were stabled at the Lillie Bridge depot in West Kensington.

Co-operation and consolidation, 1906–1913

Despite the UERL's success in financing and constructing the railway in only seven years, its opening did not bring the financial success that had been expected. In the Piccadilly Tube's first twelve months of operation it carried 26 million passengers, less than half of the 60 million that had been predicted during the planning of the line. The UERL's pre-opening predictions of passenger numbers for its other new lines proved to be similarly over-optimistic, as did the projected figures for the newly electrified MDR – in each case, numbers achieved only around fifty per cent of their targets.

The lower than expected passenger numbers were partly due to competition between the tube and sub-surface railway companies, but the introduction of electric trams and motor buses, replacing slower, horse-drawn road transport, took a large number of passengers away from the trains. The problem was not limited to the UERL; all of London's seven tube lines and the sub-surface MDR and Metropolitan Railway were affected to some degree. The reduced revenues generated from the lower passenger numbers made it difficult for the UERL and the other railways to pay back the capital borrowed, or to pay dividends to shareholders.

From 1907, in an effort to improve their finances, the UERL, the C&SLR, the CLR and the GN&CR began to introduce fare agreements. From 1908, they began to present themselves through common branding as the Underground. The W&CR was the only tube railway that did not participate in the arrangement as it was owned by the mainline L&SWR.

The UERL's three tube railway companies were still legally separate entities, with their own management, shareholder and dividend structures. There was duplicated administration between the three companies and, to streamline the management and reduce expenditure, the UERL announced a bill in November 1909 that would merge the Piccadilly, the Hampstead and the Bakerloo Tubes into a single entity, the London Electric Railway (LER), although the lines retained their own individual branding. The bill received Royal Assent on 26 July 1910 as the London Electric Railway Amalgamation Act, 1910. This took effect on 1 July that year.

In October 1911, the Piccadilly tube platforms at Earl's Court station became the first on the Underground network to be served by escalator
Escalator
An escalator is a moving staircase – a conveyor transport device for carrying people between floors of a building. The device consists of a motor-driven chain of individual, linked steps that move up or down on tracks, allowing the step treads to remain horizontal.Escalators are used around the...

s when a link between the District and Piccadilly platforms was created.The success of the Earl's Court escalators led to all later deep-tube stations being built with escalators rather than lifts. Where possible, escalators were gradually installed to replace lifts in existing stations.

In November 1912, a bill was publicised under the LER name that included a plan to extend the Piccadilly tube tracks westwards from Hammersmith to connect to the L&SWR's Richmond branch tracks. The District line already ran trains over this route, and the Piccadilly tube service would provide additional connections. The bill received assent as the London Electric Railway Act, 1913 on 15 August 1913. The advent of World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 prevented work on the extension starting. Post-war, a shortage of funds and other priorities meant that the extension was postponed until the early 1930s.

Move to public ownership, 1923–1933

Despite improvements made to other parts of the network, the Underground railways continued to struggle financially. The UERL's ownership of the highly profitable London General Omnibus Company
London General Omnibus Company
The London General Omnibus Company or LGOC, was the principal bus operator in London between 1855 and 1933. It was also, for a short period between 1909 and 1912, a motor bus manufacturer.- Overview :...

 (LGOC) since 1912 had enabled the UERL group, through the pooling of revenues, to use profits from the bus company to subsidise the less profitable railways. However, competition from numerous small bus companies during the early 1920s eroded the profitability of the LGOC and had a negative impact on the profitability of the whole UERL group.

In an effort to protect the UERL group's income, its chairman Lord Ashfield
Albert Stanley, 1st Baron Ashfield
Albert Henry Stanley, 1st Baron Ashfield, PC, TD , born Albert Henry Knattriess, was a British-American who was managing director, then chairman of the Underground Electric Railways Company of London from 1910 to 1933 and chairman of the London Passenger Transport Board from 1933 to 1947.Although...

 lobbied
Lobbying
Lobbying is the act of attempting to influence decisions made by officials in the government, most often legislators or members of regulatory agencies. Lobbying is done by various people or groups, from private-sector individuals or corporations, fellow legislators or government officials, or...

 the government for regulation of transport services in the London area. Starting in 1923, a series of legislative initiatives were made in this direction, with Ashfield and Labour
Labour Party (UK)
The Labour Party is a centre-left democratic socialist party in the United Kingdom. It surpassed the Liberal Party in general elections during the early 1920s, forming minority governments under Ramsay MacDonald in 1924 and 1929-1931. The party was in a wartime coalition from 1940 to 1945, after...

 London County Council
London County Council
London County Council was the principal local government body for the County of London, throughout its 1889–1965 existence, and the first London-wide general municipal authority to be directly elected. It covered the area today known as Inner London and was replaced by the Greater London Council...

lor (later MP and Minister of Transport) Herbert Morrison
Herbert Morrison
Herbert Stanley Morrison, Baron Morrison of Lambeth, CH, PC was a British Labour politician; he held a various number of senior positions in the Cabinet, including Home Secretary, Foreign Secretary and Deputy Prime Minister.-Early life:Morrison was the son of a police constable and was born in...

, at the forefront of debates as to the level of regulation and public control under which transport services should be brought. Ashfield aimed for regulation that would give the UERL group protection from competition and allow it to take substantive control of the LCC's
London County Council
London County Council was the principal local government body for the County of London, throughout its 1889–1965 existence, and the first London-wide general municipal authority to be directly elected. It covered the area today known as Inner London and was replaced by the Greater London Council...

 tram system; Morrison preferred full public ownership. After seven years of false starts, a bill was announced at the end of 1930 for the formation of the London Passenger Transport Board
London Passenger Transport Board
The London Passenger Transport Board was the organisation responsible for public transport in London, UK, and its environs from 1933 to 1948...

 (LPTB), a public corporation that would take control of the UERL, the Metropolitan Railway and all bus and tram operators within an area designated as the London Passenger Transport Area. The Board was a compromise – public ownership but not full nationalisation
Nationalization
Nationalisation, also spelled nationalization, is the process of taking an industry or assets into government ownership by a national government or state. Nationalization usually refers to private assets, but may also mean assets owned by lower levels of government, such as municipalities, being...

 – and came into existence on 1 July 1933. On this date, the LER and the other Underground companies were liquidated
Liquidation
In law, liquidation is the process by which a company is brought to an end, and the assets and property of the company redistributed. Liquidation is also sometimes referred to as winding-up or dissolution, although dissolution technically refers to the last stage of liquidation...

.

Legacy

For a history of the line after 1933 see Piccadilly line
Piccadilly Line
The Piccadilly line is a line of the London Underground, coloured dark blue on the Tube map. It is the fifth busiest line on the Underground network judged by the number of passengers transported per year. It is mainly a deep-level line, running from the north to the west of London via Zone 1, with...


The original GNP&BR route was extended at both ends in the early 1930s. In the north, a new route was constructed to Wood Green
Wood Green
Wood Green is a district in north London, England, located in the London Borough of Haringey. It is situated north of Charing Cross. The area is identified in the London Plan as one of the metropolitan centres in Greater London.-History:...

, Southgate
Southgate, London
Southgate is an area of north London, England, primarily within the London Borough of Enfield, although parts of its western fringes lie within the London Borough of Barnet. It is located around north of Charing Cross. The name is derived from being the south gate to Enfield Chase...

 and Cockfosters
Cockfosters
Cockfosters is a suburb of North London, lying partly in the London Borough of Enfield and partly in the London Borough of Barnet. The counties of Hertfordshire and Middlesex respectively are still used in postal addresses.The name has been recorded as far back as 1524, and is thought to be either...

. In the west, the extension from Hammersmith approved in 1913 was finally carried out. The extension paralleled the District line's route to Acton
Acton, London
Acton is a district of west London, England, located in the London Borough of Ealing. It is situated west of Charing Cross.At the time of the 2001 census, Acton, comprising the wards of East Acton, Acton Central, South Acton and Southfield, had a population of 53,689 people...

 and Hounslow
Hounslow
Hounslow is the principal town in the London Borough of Hounslow. It is a suburban development situated 10.6 miles west south-west of Charing Cross. It forms a post town in the TW postcode area.-Etymology:...

, and took over the District line's route to Uxbridge
Uxbridge
Uxbridge is a large town located in north west London, England and is the administrative headquarters of the London Borough of Hillingdon. It forms part of the ceremonial county of Greater London. It is located west-northwest of Charing Cross and is one of the major metropolitan centres...

. In 1977, the Hounslow branch was extended to Heathrow Airport
London Heathrow Airport
London Heathrow Airport or Heathrow , in the London Borough of Hillingdon, is the busiest airport in the United Kingdom and the third busiest airport in the world in terms of total passenger traffic, handling more international passengers than any other airport around the globe...

. The Strand branch was closed in 1994. Today, the GNP&BR's tunnels form the core of the Piccadilly line's 73.97 kilometres (45.96 mi) route.

York Road, Down Street and Brompton Road stations were closed in the early 1930s due to low usage, but in the lead-up to World War II the underground passageways at Down Street and Brompton Road were considered useful as protected deep shelters for critical government and military operations. Down Street was fitted out for use by the Railway Executive Committee
Railway Executive Committee
The Railway Executive Committee was a government body which controlled the operation of Britain's railways during World War I and World War II...

 and the War Cabinet. Brompton Road was used as a control centre for anti-aircraft operations, and after the war was used by the Territorial Army. Between September 1940 and July 1946, the Strand branch was temporarily closed, its tunnels used to store exhibits from the British Museum as well as serving as an air-raid shelter.
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