Metropolitan Railway

Metropolitan Railway

Company type	Private company
Industry	Railway transport
Founded	1854
Founder	Charles Pearson (initiator)
Defunct	1933
Fate	Merged into London Passenger Transport Board
Headquarters	London , United Kingdom
Area served	London and surrounding suburbs
Products	Passenger and freight railway services

The Metropolitan Railway—commonly referred to as the Met—operated as a passenger and freight railway serving London between 1863 and 1933. Its principal line extended northwest from the City towards emerging suburban areas in Middlesex. The original route connected key railway termini at , , and King's Cross with the City, constructed primarily through cut-and-cover techniques beneath New Road and tunnels along Farringdon Road. Launching on 10 January 1863, it featured gas-lit wooden carriages drawn by steam locomotives, marking it as the world's inaugural underground passenger railway.

Expansion occurred at both termini and northwards via a branch line from Baker Street. Southern extensions reached Hammersmith in 1864 and Richmond in 1877, completing the Inner Circle by 1884. The primary line pushed northwest into rural Middlesex, stimulating suburban development; Harrow was connected in 1880, with services extending from 1897 to in Buckinghamshire, supported by early riders including the Duke of Buckingham and proprietors of Waddesdon Manor.

Electric traction was introduced in 1905, with electric multiple units handling most operations by 1907, although electrification of outer sections came much later. Unlike other London railways, the Met engaged in property development, promoting suburban housing estates after World War I under the "Metro-land" brand. On 1 July 1933, it merged with the Underground Electric Railways Company of London and other transit entities to establish the London Passenger Transport Board.

Former Metropolitan Railway infrastructure now supports various London Underground lines such as the Metropolitan line, Circle, District line, Hammersmith & City line, Piccadilly line, Jubilee line, and Victoria line, alongside rail services including Chiltern Railways and the Great Northern Route.

Formation

During the early nineteenth century, London's population and urban footprint grew substantially, doubling from roughly one million inhabitants in 1801 to two million by 1851. This surge, combined with daily commuter influxes via railways, led to severe congestion caused by carts, cabs, omnibuses, and about 200,000 pedestrians entering the commercial heart of London each day. By mid-century, seven railway termini circled central London; however, only Fenchurch Street station was located within the City itself.

Attempts to introduce new railway lines directly into the City were consistently rejected by Parliament; notably, a Royal Commission in 1846 prohibited new stations or lines in this central zone. The idea of an underground railway linking mainline termini with the City emerged during the 1830s, championed by Charles Pearson, then Solicitor to the City. In 1846, Pearson proposed a central station serving multiple railways but faced rejection. He revived this concept in 1852 through the City Terminus Company aiming to connect Farringdon with King's Cross; nevertheless, limited interest from railway companies caused delays.

The Bayswater, Paddington and Holborn Bridge Railway Company was established to link Great Western Railway's (GWR) Paddington station with Pearson's proposed route at King's Cross. After lobbying efforts, it obtained authorization under the North Metropolitan Railway Act 1853 as "North Metropolitan Railway." Since Parliament had rejected the City Terminus Company's bill preventing access into the City, North Metropolitan Railway absorbed that company and submitted an amended bill in November 1853. This removed plans for a City terminus and extended southward from Farringdon to the General Post Office at St. Martin's Le Grand. The western alignment was revised for a more direct connection to GWR’s station. Proposed connections included links to London and North Western Railway (LNWR) at Euston and Great Northern Railway (GNR) at King's Cross via hoists and lifts. The company rebranded itself as Metropolitan Railway. Royal assent was granted through the Metropolitan Railway Act 1854 on 7 August 1854.

Construction costs were estimated at around £1 million. Initial progress slowed due to capital shortages during the Crimean War; accordingly, the company sought parliamentary permissions for extensions to complete works. The Metropolitan Railway (Deviation) Act 1855 authorized a direct connection to GNR at King's Cross; further amendments were enacted through legislation in 1856 and 1860.

GWR committed £175,000 toward financing, matched by GNR contributions; however, by 1857 funding remained inadequate. To reduce expenditures, plans were scaled down: abandoning a direct link to GWR terminus in favor of Bishop's Road station built adjacent to Paddington; also discarded was construction south of Farringdon. In 1858 Pearson negotiated an arrangement whereby Metropolitan Railway acquired land near Farringdon Road from the City of London Corporation for £179,000; in exchange, the Corporation invested £200,000 in shares. These route modifications received approval under the Metropolitan Railway Act 1859, allowing construction to commence with secured financial backing.

Construction

Despite worries about potential undermining and vibrations causing subsidence to adjacent buildings, as well as the need to compensate thousands of displaced residents, construction commenced in March 1860. The majority of the line was constructed using the cut-and-cover technique extending from Paddington to King's Cross. Beyond this point, the route passed beneath Mount Pleasant and Clerkenwell via a tunnel, then followed the culverted River Fleet alongside Farringdon Road in an open cutting near the newly established meat market at Smithfield.

The trench measured approximately wide and was stabilized by brick retaining walls topped with an elliptical brick arch or iron girders spanning . At station locations, tunnel widths were expanded to accommodate platforms. Excavation was predominantly manual, carried out by navvies and supplemented by a rudimentary earth-moving conveyor system for soil removal. Key contractors included Smith & Knight for the section west of Euston Square and John Jay for the eastern portion.

Within the tunnel, two tracks were installed with a gap between them. To support both standard gauge trains operated by the Great Northern Railway (GNR) and broad gauge trains from the Great Western Railway (GWR), a three-rail dual gauge track configuration was employed, sharing the rail closest to platforms. Signalling utilized the absolute block system, incorporating electric Spagnoletti block instruments alongside fixed signals.

Several incidents occurred during construction: in May 1860, a GNR train overran the King's Cross platform into the worksite; later that year, a boiler explosion resulted in two fatalities among workers; in May 1861, a collapse during excavation at Euston caused damage to nearby structures; and in June 1862, flooding took place when heavy rain caused the Fleet sewer to burst. The Metropolitan Railway and Metropolitan Board of Works promptly redirected water flow, limiting construction delays to only a few months.

Trial operations started in November 1861 while construction continued. The first complete journey was conducted in May 1862 with William Gladstone among the distinguished guests. By the end of 1862, construction concluded at a cost of £1.3 million—considerably less than projected expenses for an elevated viaduct alternative. That same year, Myles Fenton, previously assistant manager of the Lancashire and Yorkshire Railway, was appointed as the company's inaugural manager.

Opening

Following inspections by the Board of Trade in late 1862 and early 1863, the railway received approval for opening after minor signalling adjustments were made. Operating trials preceded the official inauguration on 9 January 1863, which featured a ceremonial journey from Paddington followed by a banquet attended by 600 shareholders and guests at Farringdon. Charles Pearson, who had initiated the project, passed away in September 1862 before its completion.

The line opened to public service on 10 January 1863 with stations at Paddington (Bishop's Road) (now Paddington), Edgware Road, Baker Street, Portland Road (currently Great Portland Street), Gower Street (now Euston Square), King's Cross (present-day King's Cross St Pancras), and Farringdon Street (modern Farringdon). The railway experienced immediate success, transporting 38,000 passengers on its first day with Great Northern Railway (GNR) trains supplementing services. Passenger numbers increased from 9.5 million during its inaugural year to 12 million in the following year.

The initial timetable allocated 18 minutes for travel between termini, with off-peak trains running every 15 minutes; during morning peak hours this frequency rose to every ten minutes, while early mornings and after 8 pm saw trains every 20 minutes. Starting in May 1864, discounted workmen's return tickets were introduced for early morning services departing Paddington at a single fare.

Operations initially relied on Great Western Railway (GWR) broad-gauge Metropolitan Class tank locomotives and associated rolling stock; however, disputes over service frequency prompted GWR to withdraw its equipment in August 1863. Subsequently, the Metropolitan maintained reduced services using GNR standard-gauge stock before acquiring its own standard-gauge locomotives from Beyer, Peacock and Company.

The Metropolitan commissioned eighteen tank engines equipped with condensing apparatus designed to minimize steam emissions within tunnels; these "beautiful little engines," painted green with prominent external cylinders, achieved such success that eventually 120 units were produced for use across the Metropolitan, District Railway, and other 'cut and cover' underground lines. This 4-4-0 tank locomotive is regarded as pioneering motive power on London's first underground railway; overall production totaled 148 between 1864 and 1886, with most remaining operational until electrification in 1905.

Anticipating smokeless locomotives, the line featured limited ventilation and included a lengthy tunnel section between Edgware Road and King's Cross. Initially, smoky stations and carriages did not discourage passengers; however, ventilation improvements were made by creating an opening connecting Gower Street and King's Cross tunnels and removing glazing from station roofs. Persistent smoke problems after the 1880s sparked conflicts between the Metropolitan Railway seeking additional tunnel openings and local authorities concerned about effects on horses and property values. An 1897 Board of Trade report documented passenger discomfort caused by smoke exposure and recommended further ventilation enhancements; nevertheless, electrification occurred before these changes were implemented.

Farringdon to Moorgate and the City Widened Lines

With ongoing construction linking the Great Western Railway (GWR) and Great Northern Railway (GNR), and plans for connections to the Midland Railway and London, Chatham and Dover Railway (LC&DR), the Metropolitan Railway obtained authorization in 1861 and 1864 to add two extra tracks between King's Cross and Farringdon Street, along with a four-track extension eastward reaching Moorgate. The Metropolitan operated two of these tracks, while the other pair, called the City Widened Lines, primarily served various other railway companies.

On 1 October 1863, single-track tunnels at King's Cross facilitating a connection from GNR to the Metropolitan commenced operation when GNR launched its services. This allowed GWR to resume suburban through trains originating from Windsor. By 1864, the Metropolitan had acquired sufficient rolling stock to maintain a frequency of six trains per hour on its own.

Joint services by LC&DR and GNR from Blackfriars Bridge started on 1 January 1866, running through the Snow Hill tunnel beneath Smithfield Market to Farringdon, continuing northwards towards GNR destinations. The extension reaching Aldersgate Street and Moorgate Street (present-day Barbican and Moorgate) was inaugurated on 23 December 1865, with full four-track operation achieved by 1 March 1866.

The newly constructed tracks between King's Cross and Farringdon were first utilized by a GNR freight train on 27 January 1868. The junction connecting to the Midland Railway opened on 13 July 1868, enabling services to run into Moorgate Street before the completion of its St Pancras terminus. At St Paul's Road Junction, the line branched off into a double-track tunnel that linked up with the Widened Lines at Midland Junction.

Hammersmith & City Railway

In November 1860, a legislative proposal backed by both the Metropolitan Railway and GWR sought to establish a railway extending from the GWR main line west of Paddington to Shepherd's Bush and Hammersmith, incorporating a connection with the West London Railway at Latimer Road. This project was authorized on 22 July 1861 as the Hammersmith and City Railway (H&CR). Constructed mainly on a viaduct spanning open fields, the line opened on 13 June 1864 with broad-gauge GWR trains running from Farringdon Street. It served stations including Notting Hill (now Ladbroke Grove tube station), Shepherd's Bush (which was replaced by Shepherd's Bush Market tube station in 1914), and Hammersmith. The West London Railway link became operational on 1 July, with carriages attached or detached at Notting Hill for services towards Kensington (Addison Road).

From 1865 onwards, following an agreement between Metropolitan Railway and GWR, standard-gauge trains operated by the Metropolitan ran to Hammersmith while GWR continued broad-gauge operations towards Kensington. The H&CR became jointly owned by both companies in 1867; GWR completed its conversion to standard gauge by 1869. In 1871, two additional tracks were built parallel to those of GWR between Westbourne Park and Paddington specifically for H&CR use; in 1878 a diveunder replaced the previous flat crossing at Westbourne Park. Beginning in August 1872, GWR extended its Addison Road service via Earl's Court over the District Railway to Mansion House—a route known as the Middle Circle until January 1905—with trains terminating at Earl's Court from July 1900 onwards. New stations opened along this route included Westbourne Park tube station (1866), Latimer Road tube station (1868), Royal Oak tube station (1871), Wood Lane (Metropolitan line) tube station (1908), and Goldhawk Road tube station (1914).

Between October 1877 and December 1906, certain H&CR services were extended as far as Richmond, traveling via the London and South Western Railway (L&SWR) through Hammersmith (Grove Road) railway station. This corridor encompassed stations now incorporated into the District line: Ravenscourt Park tube station, Turnham Green tube station, Gunnersbury station, and Kew Gardens.

Inner Circle

After the early achievements of the Metropolitan Railway, numerous railway proposals surfaced in London during 1863, leading the House of Lords to establish a select committee. This committee suggested creating an "inner circuit" connecting most of the city's principal railway termini. Proposals consistent with this vision were evaluated by a joint parliamentary committee.

In 1864, Parliament authorized the Metropolitan Railway's expansions from Paddington to South Kensington and from Moorgate to Tower Hill via the Metropolitan Railway (Notting Hill and Brompton Extension) Act 1864 and the Metropolitan Railway (Tower Hill Extension) Act 1864. To finalize the circuit, two competing plans between Kensington and the City were combined into the Metropolitan District Railway (District Railway), founded as an independent entity to secure its own funding, though it initially maintained close ties with the Met.

The western extension originating at Praed Street junction traversed affluent neighborhoods such as Bayswater, Notting Hill, and Kensington, resulting in substantial compensation expenses. The construction costs were significant; for instance, the first District section from South Kensington to Westminster amounted to £3 million, nearly three times the cost of the original Met line. The initial extension segment opened at Gloucester Road in October 1868, followed by further eastward openings to South Kensington and Westminster by December 1868.

By April 1869, the District had extended westward to West Brompton, initially operating as a shuttle service. Midway through 1869, dedicated tracks were laid between South Kensington and Brompton. In July 1870, the District completed the disputed Cromwell curve linking Brompton with Kensington (High Street).

East of Westminster, the District inaugurated a line along Victoria Embankment from Westminster to Blackfriars in May 1870, featuring stations at Charing Cross (now Embankment), Temple, and Blackfriars.

Initially, the Metropolitan Railway managed District trains in exchange for 55% of gross revenue but later reduced this share due to additional train running charges. Financial difficulties eventually led to ending this operational agreement. The District’s high building expenses prevented it from extending its original plan eastward beyond Blackfriars; instead, it pushed one station further east to Mansion House.

Mansion House station opened on 1 July 1871 with a ceremonial banquet attended by Prime Minister William Gladstone. The Met and District launched a joint Inner Circle service running every ten minutes between Mansion House and Moorgate Street via South Kensington and Edgware Road, supplemented by extra District and suburban trains. Shortly thereafter in July 1871, the District section of South Kensington station began service; Earl's Court station followed in October.

Legal rulings in 1868-69 uncovered financial misconduct within the Metropolitan Railway’s management, prompting several directors to resign. Edward Watkin was appointed chairman in October 1872 to rebuild trust. A seasoned railway leader holding multiple directorships—including with South Eastern Railway—Watkin sought to link northern railways through London.

The Met’s eastward expansion from Moorgate was slow due to high land acquisition costs; it reached Liverpool Street by February 1875 and Aldgate by November 1876. Disputes with the District delayed inner circle completion until City financiers established the Metropolitan Inner Circle Completion Railway Company in 1874. Although Parliament approved plans that year, securing funding remained difficult.

In 1877, both companies advocated legislation permitting access to the East London Railway (ELR) and cooperation on finishing the circle. Between 1882 and 1884, joint lines connected Mansion House to Tower of London and Aldgate northwards to Whitechapel with a curve onto ELR tracks. From October 1884 onward, Metropolitan and District trains ran on ELR routes reaching New Cross with new shared stations at Aldgate East and St Mary's.

Several shared stations opened along the circle line during this timeframe. After disagreements over ticketing with the District, the Met’s Tower of London station closed in October 1884. Initially, services operated eight trains per hour around the roughly 13-mile circle but were later reduced to six trains per hour due to operational difficulties.

In September 1885, working conditions for guards slightly improved when they were permitted breaks during shifts for the first time since services began.

Baker Street to Harrow

In April 1868, the Metropolitan and St John's Wood Railway (M&SJWR) inaugurated a single-track tunnel route running from Baker Street East to Swiss Cottage, with intermediate stops at St John's Wood Road and Marlborough Road, both equipped with crossing loops. The Metropolitan Railway operated the service, scheduling trains at 20-minute intervals. Although a junction at Baker Street connected to the Inner Circle, direct through services were discontinued after 1869.

Initially, M&SJWR intended to extend the line to the London and North Western Railway station at Finchley Road & Frognal. Prior to construction, a 1.5 km branch line was authorized in 1865 to reach Hampstead Village, aiming to access new passenger markets. However, due to financial limitations, progress halted at Swiss Cottage, and the Hampstead branch was abandoned in 1870. A 156-yard tunnel segment constructed for this planned extension was later utilized for the northwest extension; some unused sections remain visible on southbound Metropolitan line trains.

During the early 1870s, confronting low ridership figures, M&SJWR pursued expansion strategies to increase traffic. Under new leadership by Watkin at the Metropolitan Railway, extending into less developed regions promised reduced construction expenses and higher fare revenues while channeling passengers into the Circle line. On 21 July 1873, M&SJWR secured authorization through the Metropolitan and Saint John's Wood Railway Act 1873 to extend as far as Neasden in Middlesex. Subsequently, the company opted to extend an additional 3.5 miles reaching Harrow, receiving legislative approval in 1874. The joint Kingsbury and Harrow Bill with the Metropolitan Railway was enacted that same year.

To accommodate visitors for the Royal Agricultural Society's Kilburn exhibition in 1879, a single-track section opened to West Hampstead on 30 June 1879 featuring a temporary platform at Finchley Road. By November of that year, double tracking was completed and full services extended to Willesden Green, including a newly established Kilburn & Brondesbury station (now Kilburn). The line reached Harrow on 2 August 1880, simultaneously opening Kingsbury Neasden (present-day Neasden). Two years later, the Baker Street–Swiss Cottage tunnel was upgraded to double track, coinciding with M&SJWR’s absorption into the Metropolitan Railway.

In 1882, the Metropolitan transferred its carriage workshops from Edgware Road to Neasden, followed by locomotive workshops in 1883 and a gasworks established in 1884. To house employees relocating from central London, over one hundred cottages and ten retail units were constructed for rental purposes; two of these shops were converted into a schoolroom and church by 1883. By 1885, land was allocated for a Wesleyan Methodist church and school designed to serve 200 pupils. Initially designated as streets ‘A’ and ‘B’, these thoroughfares were renamed Quainton Street and Verney Street in 1903. This residential development was later designated a conservation area in 1989.

Harrow to Verney Junction, Brill Branch, and Wembley Park Station

In 1868, the Duke of Buckingham inaugurated the Aylesbury and Buckingham Railway (A&BR), establishing a single-track route from to a newly constructed station at on the Buckinghamshire Railway's line between Bletchley and Oxford. Although initially backed by LNWR, which managed the Bletchley to Oxford section, their support diminished by the time the project was completed. The Wycombe Railway constructed a single-track connection from to Aylesbury; after its acquisition by GWR, shuttle services operated through Aylesbury to Quainton Road and Verney Junction.

The A&BR obtained permission to extend southward to Rickmansworth, linking with LNWR's Watford and Rickmansworth Railway. Following negotiations between the duke and Watkin, plans were made to extend the line further south to connect with the Metropolitan Railway at Harrow, receiving authorization in 1874. Watkin became a member of the A&BR board in 1875. However, financial constraints delayed construction, necessitating additional parliamentary approvals: the Rickmansworth Extension Railway Act 1880 and Aylesbury and Rickmansworth Railway Act 1881, which allowed for a rail link between Harrow and Aylesbury.

Pinner station commenced operations in 1885; starting 1 September 1887, hourly services ran from Rickmansworth and Northwood to Baker Street. Despite local enthusiasm for Chesham station, monetary difficulties continued. The track was doubled from Rickmansworth for , then remained single track up to Chesham; services stopping at Chorley Wood and Chalfont & Latimer began on 8 July 1889.

The Metropolitan Railway assumed control of the A&BR on 1 July 1891; a provisional platform at Aylesbury opened on 1 September 1892 with stops at , , , and . By 1894, a joint station operated by the Met and GWR opened at Aylesbury. Due to limited infrastructure beyond Aylesbury towards Verney Junction, LNWR locomotives were initially borrowed until two D Class engines were procured. Subsequent improvements allowed for double tracking and stations built to mainline standards, enabling direct services from Baker Street to Verney Junction starting 1 January 1897 with new or refurbished stations at , , , and .

From Quainton Road, the duke developed a branch line known as the Brill Tramway. By 1899, four mixed passenger and freight trains ran each way between and Quainton Road. The Metropolitan Railway took over operations in November 1899 under an annual lease of £600, upgrading tracks and reconstructing stations by 1903. Passenger trains were hauled by A Class and D Class locomotives using Oldbury rigid eight-wheeled carriages.

In 1893, Wembley Park tube station opened primarily to serve an envisioned sports and exhibition venue. A planned tower—intended as a major attraction—was only partially completed (the initial stage) before being dismantled in 1907 due to structural problems; it became famously known as "Watkin's Folly."

Around the turn of the century, six stopping trains per hour operated between Willesden Green and Baker Street, including services originating from Rickmansworth and Harrow. Additionally, a train ran every two hours from Verney Junction calling at all stations en route to Baker Street via Harrow and Willesden Green. Timetables were carefully arranged to ensure efficient intervals between fast and stopping services.

Great Central Railway

Watkin, serving as director of the Manchester, Sheffield and Lincolnshire Railway (MS&LR), envisioned extending the line 99 miles into London to connect with the Metropolitan Railway north of Aylesbury. Although Baker Street was initially considered as the terminus, by 1891–1892 MS&LR determined it required its own dedicated station and freight facilities near . An act permitting this construction was enacted in 1893; however, Watkin stepped down in 1894 due to illness, which strained relations between the two companies.

In 1895, MS&LR suggested constructing a pair of tracks from Wembley Park to Canfield Place near Finchley Road to separate express services from Metropolitan stopping trains. The Metropolitan agreed to build these lines exclusively for MS&LR's use. While upgrading bridges between Wembley Park and Harrow, the Metropolitan expanded the line to four tracks in anticipation of future demand; MS&LR sought exclusive rights over two of these. Although MS&LR had legal authority to connect with the Circle line at Marylebone, prohibitive conditions imposed by the Metropolitan and financial limitations led them to abandon this connection.

Dissatisfied with dependence on the Metropolitan for London entry and constrained by speed limits south of Aylesbury, MS&LR partnered with Great Western Railway (GWR) in 1898 to propose the Great Western and Great Central Joint Railway, which included branches from Grendon Underwood to Ashendon and from Northolt to Neasden. Despite protests from the Metropolitan, compensation rights were granted. A provisional agreement permitted limited MS&LR coal trains over Metropolitan tracks; however, disputes emerged regarding routing via GWR lines, with courts ultimately siding with the Metropolitan.

The company was renamed the Great Central Railway (GCR) in 1897, and its main route from Marylebone to Manchester Central commenced operations on 15 March 1899. After extended negotiations, in 1906 two tracks running from Canfield Place to Harrow were leased to GCR for £20,000 annually. This led to the formation of the Metropolitan and Great Central Joint Railway, leasing routes from Harrow to Verney Junction and the Brill branch for £44,000 per year. GCR guaranteed a minimum annual traffic revenue of £45,000. Management of Aylesbury station was transferred to a joint committee overseeing operations without rolling stock; initially, the Metropolitan handled management while GCR managed accounts, with these responsibilities alternating every five years until 1926. The Metropolitan retained control over lines south of milepost 28.5 (south of Great Missenden), while GCR was responsible for those northward.

Development

At the dawn of the twentieth century, both the District and Metropolitan Railways faced mounting competition from newly introduced electric deep-level tube lines. The inauguration of the Central London Railway in 1900, running from Shepherd's Bush to the City at a flat fare of 2d, resulted in a loss of four million passengers for the District and Metropolitan between late 1899 and late 1900. The polluted conditions within tunnels prompted plans for electrification. Although electrification had been contemplated by the Metropolitan during the 1880s, it remained experimental technology requiring coordination with the District due to their shared ownership of the Inner Circle. In 1900, a joint Met-District six-coach train operated an experimental service between Earl's Court and High Street Kensington for six months, which proved successful. By 1901, a joint committee recommended adopting the Ganz three-phase AC system with overhead wiring. This plan was accepted until control of the District passed to the Underground Electric Railways Company of London (UERL), led by American Charles Yerkes, who favored a DC system using a third rail, consistent with other lines. Following arbitration by the Board of Trade, a DC system employing four rails was selected, leading to electrification using multiple-unit trains and electric locomotives.

In 1904, the Metropolitan commissioned a coal-fired power station at Neasden generating 10.5 MW that supplied 11 kV at 33.3 Hz electricity to five substations converting it into 600 V DC through rotary converters.

Simultaneously, the District constructed a line extending from Ealing to South Harrow with plans for further extension towards Uxbridge. In 1899, facing financial challenges, the District accepted a rescue arrangement from the Metropolitan: under this agreement, the Metropolitan would build a branch from Harrow to Rayners Lane and assume control over the line reaching Uxbridge while allowing District trains up to three per hour usage rights. Construction on this 7.5-mile (12 km) branch began in September 1902 and involved substantial engineering works including twenty-eight bridges and a viaduct spanning 1.5 miles (2.4 km) with seventy-one arches at Harrow. This branch was incorporated into broader electrification efforts alongside Baker Street to Harrow sections, Inner Circle lines, and joint GWR-Metropolitan routes. The Metropolitan opened service on this line up to Uxbridge on 30 June 1904 with one intermediate stop at Ruislip, initially operated by steam locomotives. Wooden platforms accommodating three-car trains were introduced at Ickenham in September 1905 and later extended similarly at Eastcote and Rayners Lane by May 1906.

Operation of Electric Trains

Electric multiple units commenced service on 1 January 1905, with the electrification of all local routes between Baker Street and Harrow completed by 20 March. On the Uxbridge branch, six-car formations proved inefficient due to low passenger demand, leading to the introduction of three-car shuttle services during off-peak hours. These shuttles attracted criticism from the Board of Trade because they used motor cars to push unpowered trailers. Starting late March, short steam trains operated during quieter periods, while by 1 June some trailer cars were equipped with driving cabs.

Electric units appeared on the inner circle line on 1 July 1905, operated by both the Metropolitan and District Railways; however, Metropolitan services were withdrawn shortly after due to compatibility problems with District tracks. After necessary adjustments, full electric operations resumed on 24 September, reducing the circle journey duration from 70 minutes to 50 minutes.

The Great Western Railway constructed a 6 MW power station at Park Royal, facilitating electrification between Paddington and Hammersmith as well as the Latimer Road to Kensington branch. Jointly owned electric rolling stock commenced service on the Hammersmith & City Railway (H&CR) from 5 November 1906. In that year, the Metropolitan ceased running services on the East London Railway, limiting operations to Whitechapel until electrification was completed in 1913. The H&CR ended Richmond services over the London & South Western Railway (L&SWR) route on 31 December 1906; subsequently, GWR steam rail motors operated between Ladbroke Grove and Richmond until late 1910.

Lines beyond Harrow remained unelectrified; electric locomotives hauled trains from Baker Street up to points where steam engines took over—initially at Wembley Park starting January 1907, then at Harrow from July 1908. During peak hours, GWR city-bound services continued with electric traction taking over from steam at Paddington beginning January 1907, although freight traffic destined for Smithfield remained steam hauled.

In 1908, Robert Selbie assumed the role of General Manager, a position he held until 1930. Under his guidance, limited through-services to the City recommenced in 1909. Baker Street station underwent reconstruction by 1912, featuring four tracks and two island platforms. To accommodate growing traffic volumes, the line south of Harrow was expanded to four tracks—between Finchley Road and Kilburn in 1913 and extended to Wembley Park by 1915—while the section from Finchley Road to Baker Street stayed double track, creating a capacity constraint.

London Underground

In an effort to enhance underground travel within London, a joint marketing initiative was launched in 1908 that included coordinated maps, shared advertising campaigns, and integrated ticketing options. The Metropolitan Railway participated in this scheme, which displayed UD signs outside Central London stations. Eventually, the Underground Electric Railways Company of London (UERL) gained control over all underground lines except for the Metropolitan and Waterloo & City lines. They introduced station nameplates featuring a red disc with a blue bar; in response, the Metropolitan adopted signage displaying a red diamond combined with a blue bar.

Attempts to deepen cooperation through a General Managers' Conference faltered after Selbie withdrew in 1911 when the Central London Railway independently reduced season ticket prices below those offered by the Metropolitan on competing routes. Proposals for merging with the Underground Group were declined by Selbie, who cited the Metropolitan's wider operational interests beyond London’s core area, its partnerships with main-line railways, and its freight activities as reasons against amalgamation.

East London Railway

After the withdrawal of the Metropolitan and District Railways from the ELR in 1906, operations were taken over by the South Eastern Railway (SER), London, Brighton and South Coast Railway (LB&SCR), and Great Eastern Railway (GER). Both the Metropolitan and District companies aimed to electrify their lines but lacked sufficient funds independently. In 1911, they reached a deal whereby the Underground Electric Railways Company of London (UERL) would provide electrical power while the Metropolitan would run the trains. Parliamentary consent was granted in 1912, leading to the resumption of through services on 31 March 1913. The Metropolitan operated two trains per hour from New Cross stations owned by SER and LB&SCR to South Kensington, alongside eight shuttle services each hour to Shoreditch.

Great Northern & City Railway

The Great Northern & City Railway (GN&CR) was engineered to link Great Northern Railway (GNR) trains at Finsbury Park directly with Moorgate, featuring tunnels large enough for main-line rolling stock (16 feet in diameter), which set it apart from smaller tunnel sizes on other lines. Opened in 1904, its terminus was located beneath GNR's Finsbury Park station after opposition from GNR prevented further integration.

Concerned that Moorgate services might be rerouted over the City Widened Lines via the GN&CR, the Metropolitan sought to acquire control of the GN&CR. A legislative proposal in 1912–13 suggested extensions connecting GN&CR to the Inner Circle between Moorgate and Liverpool Street and to the Waterloo & City line. Although authorization for acquisition was granted, planned construction was withdrawn following resistance from property owners in the City. A subsequent bill jointly submitted by the Metropolitan and GNR in 1913 proposed additional links at Finsbury Park but encountered opposition from the North London Railway and was ultimately abandoned.

World War I

On 5 August 1914, shortly after the outbreak of World War I, government control of the Metropolitan was established through the Railway Executive Committee. The railway experienced significant staff shortages as many employees joined military service, prompting the employment of women as clerks and ticket agents beginning in 1915. The City Widened Lines assumed a vital role for military logistics, facilitating 26,047 troop and freight trains that transported substantial quantities of war materials. Government oversight concluded on 15 August 1921.

Metro-land development

Unlike many other railways compelled to dispose of surplus land holdings, the Metropolitan retained ownership rights for future purposes. Initially overseen by a Land Committee composed of directors, unused land was developed into residential estates such as Willesden Park, Cecil Park near Pinner, and Wembley Park—some of which have since been designated conservation areas.

In anticipation of a post-war housing surge, Metropolitan Railway Country Estates Limited (MRCE) was established in 1919 to manage estate development professionally along railway lines. Most MRCE board members were concurrently directors of the Metropolitan Railway. Estates created by MRCE included Kingsbury Garden Village near Neasden, Wembley Park, Cecil Park, Grange Estate at Pinner, Cedars Estate at Rickmansworth, and Harrow Garden Village.

The term Metro-land originated in 1915 as a marketing concept promoting land served by the Metropolitan Railway as an attractive residential locale offering rapid rail connections into central London. The annual Metro-land guidebook continued publication until 1932, emphasizing rural charm and contemporary housing.

From around 1914 onwards, the company adopted "The Met" as its brand identity; commercial manager John Wardle standardized use of "Metro" in promotional materials after 1920. Land development initiatives extended into central London with Chiltern Court—a distinguished apartment building at Baker Street—opening in 1929. Designed by Metropolitan architect Charles Walter Clark, responsible for numerous station rebuilds across Metro-land, Chiltern Court became a prestigious address sheltering notable residents including authors Arnold Bennett and H. G. Wells.

Enhancements to Infrastructure

To improve services for outer suburban passengers, the powerful H Class steam engines were introduced in 1920, followed by the arrival of new electric locomotives capable of higher speeds during 1922–1923. The Neasden power station's generating output was boosted to around 35 MW, enabling electric trains to reach Rickmansworth as of 5 January 1925, which allowed the point of locomotive exchange to be relocated.

The British Empire Exhibition held in 1924–1925 at Wembley Park Estate led to the reconstruction of Wembley Park station, featuring a new island platform and a covered walkway designed specifically for exhibition visitors. In 1924, the Metropolitan displayed an electric multiple unit car and returned in 1925 with electric locomotive No. 15, subsequently named "Wembley 1924." Adjacent to the station, the newly built Wembley Stadium opened with a capacity for 125,000 spectators during the 1923 FA Cup Final. On that day, the Metropolitan reported transporting 152,000 passengers to Wembley Park.

In 1925, a branch line from Rickmansworth to Watford was inaugurated. Despite Watford having a railway station since 1837, local groups had proposed new rail connections multiple times before a joint Metropolitan and Great Central Railway line received authorization in 1912. Construction was delayed by World War I but resumed in 1922 with financial backing under the Trade Facilities Act 1921. Following the Railways Act 1921, the Great Central Railway was succeeded by the London and North Eastern Railway (LNER) in 1923. Services commenced on 3 November 1925, including one intermediate stop at Croxley Green (now Croxley), served by Metropolitan electric multiple units running to Liverpool Street via Moor Park and Baker Street, alongside LNER steam trains to Marylebone. The Metropolitan also operated a shuttle service between Watford and Rickmansworth. During this era, a flat junction north of Harrow was replaced with a dive-under to separate Uxbridge-bound and mainline trains. Plans for an extension through Cassiobury Park into Watford town centre were abandoned due to disputes over tunneling.

A persistent congestion point existed at Finchley Road where fast and slow lines merged into the original Metropolitan and St John's Wood Railway tunnels leading to Baker Street. In 1925, proposals were made for two new tube tunnels suitable for Metropolitan rolling stock to connect north of Kilburn & Brondesbury, running beneath Kilburn High Street, Maida Vale, and Edgware Road towards Baker Street. This scheme included three new stations at Quex Road, Kilburn Park Road, and Clifton Road but was halted after the Ministry of Transport updated safety standards for deep-level tubes that were incompatible with existing compartment stock operating north of Harrow. Concurrently, Edgware Road station underwent redevelopment featuring four platforms and train destination indicators displaying locations such as Verney Junction and Uxbridge.

During off-peak hours in the 1920s, trains departed every four to five minutes from Wembley Park towards Baker Street. Both Watford and Uxbridge received two non-stop services per hour from Wembley Park; stopping services originated at Rayners Lane, Wembley Park, or Neasden. Stations beyond Moor Park were predominantly served off-peak by Marylebone trains. Peak frequencies approached intervals of every two and a half to three minutes heading into Baker Street, with half of these continuing through Moorgate, Liverpool Street, or Aldgate. On the inner circle route, Hammersmith trains passed Baker Street every six minutes; services from Kensington (Addison Road) terminated at Edgware Road. Maintaining ten trains per hour on the circle proved difficult; as a result, the District line extended its Putney–Kensington High Street service around the circle to Edgware Road using newly constructed platforms while the Metropolitan supplied eight inner circle trains per hour.

Work began in 1929 on a branch line from Wembley Park to Stanmore aimed at serving emerging residential areas near Canons Park, including stops at Kingsbury and Canons Park (which was renamed Canons Park in 1933). This project received government financial guarantees under the Development Loans Guarantees & Grants Act alongside track quadrupling between Wembley Park and Harrow. Equipped with electrification and automatic colour light signalling controlled from Wembley Park signal box, this line officially opened on 9 December 1932.

London Passenger Transport Board, 1933

In contrast to the UERL, the Metropolitan Railway generated direct profits from the development of Metro-land residential estates adjacent to its routes and regularly distributed dividends to its investors. By the end of the 19th century, dividend yields hovered around 5%, but they declined after 1900 due to competition from electric trams and the Central London Railway, dropping to a mere 0.5% during 1907–1908. Following electrification, dividends improved to 2% between 1911 and 1913 but decreased again to 1% with the onset of World War I in 1914. By 1921, recovery enabled dividends to reach 2.25%, which further increased to 5% amid the post-war housing expansion in 1924–1925. The General Strike of 1926 caused a reduction to 3%, although dividends climbed back up to 4% by 1929.

In 1913, under Robert Selbie’s leadership, the Met declined a merger offer from the UERL, choosing to remain autonomous. Although initially included in the Railways Act 1921 grouping scheme, London’s underground railways—including the Met—were ultimately excluded. When proposals surfaced in 1930 for integrating London’s public transport systems, the Met sought recognition equal to that of main-line railways, arguing that its freight services made a merger with UERL impractical. The government regarded the Met similarly to the District line since both cooperated in operating the inner circle.

The London Passenger Transport Bill was introduced in March 1931 primarily to coordinate smaller bus operations; however, the Met opposed it vigorously, spending £11,000 in resistance. Despite a change in government that year, the Met rejected offers that would have allowed it to maintain independence if it surrendered its circle running rights. Instead, company directors focused on negotiating shareholder compensation as passenger numbers declined due to bus competition and economic depression. In its last full year of operation (1932), the company declared a dividend of 1.625%.

The London Passenger Transport Board (LPTB) was formed on 1 July 1933 as a public corporation consolidating the Metropolitan Railway with other underground railways, tram companies, and bus services. Shareholders of the Met received LPTB stock valued at £19.7 million, consisting of £7.2 million in 4.5% ‘A’ stock, £2 million in 5% ‘A’ stock, £5.3 million in 5% ‘B’ stock, and £5.1 million in ‘C’ stock.

Legacy

After becoming part of London Transport, the Metropolitan Railway was renamed as the Metropolitan line; its Brill branch closed in 1935 and the section from Quainton Road to Verney Junction ceased operations in 1936. Steam services and freight were transferred to the London and North Eastern Railway (LNER). In 1936, Metropolitan line trains were extended from Baker Street to Aldgate via shared tracks with the District line. The New Works Programme led to an extension of the Bakerloo line from Baker Street through newly constructed tunnels reaching Finchley Road in 1939; this included taking control of stations up to Wembley Park and incorporating the Stanmore branch, which later became part of the Jubilee line when it opened in 1979. The Great Northern and City Railway remained isolated but was administered under the Northern line until British Railways assumed control in 1976.

Steam locomotives continued operations north of Rickmansworth until electrification reached Amersham during the early 1960s, introducing electric multiple units and ending London Transport’s services beyond Amersham. In 1988, sections from Hammersmith to Aldgate and Barking were rebranded as the Hammersmith & City line, while the New Cross to Shoreditch stretch became known as the East London line, leaving the Metropolitan line running from Aldgate through Baker Street and northward via Harrow.

Following its incorporation into LPTB in 1933, use of the "Metro-land" brand was rapidly discontinued. However, mid-20th century cultural works preserved Metro-land’s heritage—most notably through John Betjeman’s poem "The Metropolitan Railway" (1954) and his television documentary Metro-land produced in 1973. The suburban identity associated with Metro-land also features prominently in Julian Barnes’ coming-of-age novel Metroland (1980), which was later adapted into a film released in 1997.

Goods trains

Prior to 1880, the Metropolitan Railway itself did not operate goods train services, although freight trains traversed its tracks through agreements with the Great Northern Railway (GNR) and later the Midland Railway. These companies established goods depots at Farringdon, accessible via the city widened lines. The extension line from Baker Street saw a rise in freight activity. In 1880, the Metropolitan secured coal transport contracts for the Harrow District Gas Company, utilizing an exchange siding at Finchley Road with the Midland Railway to deliver coal to a yard in Harrow. Subsequently, goods and coal facilities were introduced at most of the line’s extension stations. Initially, goods destined for London were managed at Willesden, either delivered by road or transferred to the Midland Railway. The integration of the Great Central Railway (GCR) linked northern routes at Quainton Road with southern connections through Neasden, Acton, and Kew.

In 1909, the Metropolitan inaugurated the Vine Street goods depot near Farringdon, featuring two sidings each capable of holding seven wagons, with scheduled services running from West Hampstead. Earlier depots close to Farringdon on the Widened Lines had been opened by other railways: Smithfield Market Sidings (1869), GNR (1874), and Midland’s Whitecross depot (1878). Electric haulage was employed for trains limited to 14 wagons and subject to weight restrictions both inbound and outbound. The Vine Street depot managed significant volumes of freight in 1910, which increased by 1915. By 1913, it was operating beyond capacity; however, competition from motor road transport after World War I reduced freight volumes to manageable levels by the late 1920s.

Coal supplies for steam locomotives, Neasden power station, and local gasworks were transported via Quainton Road. Milk shipments originated from the Vale of Aylesbury and were distributed to London suburbs; meanwhile, food products were moved from Vine Street to Uxbridge for Alfred Button & Son wholesale grocers. Deliveries of fish to Billingsgate Market through Monument station generated complaints due to filth along access routes; despite proposals for dedicated access points, problems persisted until 1936. This situation influenced the London Passenger Transport Board’s decision to discontinue parcel carriage on Inner Circle trains. Initially dependent on private contractors for road distribution, from 1919 onwards the Metropolitan employed its own haulage fleet. By 1932—prior to incorporation into London Underground—the company owned 544 goods vehicles and transported substantial quantities of coal, materials, and general merchandise.

Steam locomotives

Concerns regarding smoke emissions and steam within tunnels prompted development of new steam locomotive designs. Before passenger services commenced in 1861, experimental trials with the "hot brick" locomotive known as Fowler's Ghost proved unsuccessful. Early public trains utilized broad-gauge Great Western Railway Metropolitan Class condensing 2-4-0 tank engines designed by Daniel Gooch, followed by standard-gauge locomotives from the GNR until the Metropolitan acquired its own fleet of 4-4-0 tank engines constructed by Beyer Peacock in Manchester. Although often credited to Engineer John Fowler, these locomotives were based on a Beyer design created for the Tudela to Bilbao Railway; Fowler specified parameters such as driving wheel diameter, axle load limits, and curve negotiation capabilities. An initial order of eighteen was placed in 1864 with named engines; production reached forty units by 1870. To minimize smoke underground, coke was initially used as fuel before switching to smokeless Welsh coal in 1869.

From 1879 onward, revised designs resulted in an additional twenty-four locomotives delivered by 1885. Originally painted bright olive green with black and yellow lining and copper-capped chimneys, their livery changed in 1885 to a dark red shade known as "Midcared," later adopted by London Transport for the Metropolitan line in 1933. In 1925 these locomotives were classified as A and B Classes. Five Worcester Engine 0-6-0 tank engines arrived in 1868 specifically for steep gradients but were sold by 1875 after A and B Classes proved adequate.

Beginning in 1891, four C Class (0-4-4) locomotives were introduced for country line extensions; two D Class units arrived in 1894 for services between Aylesbury and Verney Junction without condensing apparatus required south of Finchley Road; four further D Class engines equipped with condensing gear appeared in 1895 but were restricted south of Finchley Road. The E Class (0-4-4T) was produced at Neasden works between 1896 and 1901. To accommodate increasing freight traffic on extensions, four F Class (0-6-2) locomotives were added in 1901. Additionally, two unclassified saddle tanks designed by Peckett were primarily used for shunting duties at Neasden and Harrow.

Electrification of inner London routes during 1905–1906 rendered many steam locomotives obsolete; by 1907 forty A and B Class units had been disposed of through sale or scrapping, leaving only thirteen in service by 1914 for shunting tasks, departmental operations, and Brill Tramway services. Increased demand for more powerful engines resulted in four G Class (0-6-4) locomotives supplied by Yorkshire Engine Company in 1915; eight H Class (4-4-4) built between 1920 and 1921 operated express passenger services; six K Class (2-6-4), rebuilt post-WWI from Woolwich Arsenal models for extended freight duties, arrived in 1925 but faced operational restrictions south of Finchley Road.

Two locomotives have been preserved: A Class No. 23 (LT L45) is exhibited at the London Transport Museum while E Class No. 1 (LT L44) is housed at the Buckinghamshire Railway Centre. The latter participated in celebrations marking the Metropolitan Railway’s 150th anniversary in 2013.

Carriages

At the outset, the Metropolitan Railway operated without its own rolling stock, depending initially on the Great Western Railway and subsequently the Great Northern Railway. The GWR provided eight-wheeled teak compartment coaches. By 1864, the Met procured its own standard gauge carriages from the Ashbury Railway Carriage and Iron Company Ltd, modeled after the GWR design. Illumination was supplied by gas lighting—first-class compartments featured two jets, while second and third class had one each—with a pressurised oil gas system introduced in 1877. Early braking employed wooden blocks, which were replaced by chain brakes in 1869; however, due to safety issues, these gave way to non-automatic vacuum brakes by 1876. A mechanical indicator displaying the upcoming station was tested during the 1890s but ultimately not implemented.

In 1870, Oldbury manufactured close-coupled four-wheeled carriages. After derailments occurred in 1887, Cravens constructed 27 ft 6 in Jubilee Stock four-wheelers for the extension line, equipped with pressurised gas lighting and vacuum brakes; steam heating was installed later on. Additional trains arrived in 1892 but were withdrawn by 1912. By 1893, automatic vacuum brakes became compulsory on all stock. A restored first-class Jubilee Stock carriage was featured during the Metropolitan's 150th anniversary celebrations.

From 1898 onwards, bogie stock produced by Ashbury, Cravens, and Neasden Works enhanced passenger comfort through steam heating, automatic vacuum brakes, electric lighting, and upholstered seats across all classes. Several carriages from this period are preserved by the Bluebell Railway.

Facing competition from the Great Central Railway on outer suburban lines, more comfortable Dreadnought Stock was introduced starting in 1910—ninety-two wooden compartment coaches outfitted with pressurised gas lighting and steam heating. By 1917, gas lighting was replaced with electric lamps; electric heaters were added in 1922 to support electric locomotive haulage. These trains typically consisted of five to seven coaches with conductor rail pick-ups connected to locomotives to avoid third rail power interruptions. Two rakes included Pullman coaches providing buffet service for an additional charge. The Vintage Carriages Trust maintains three Dreadnought carriages.

Beginning in 1906, some Ashbury bogie stock underwent conversion into electric multiple units; certain Dreadnought coaches operated alongside electric motor cars, while approximately two-thirds continued as locomotive-hauled stock on the extension line.

Electric locomotives

Following electrification, outer suburban services employed carriage stock hauled from Baker Street by electric locomotives that were exchanged for steam engines en route. The Metropolitan ordered twenty electric locomotives from Metropolitan Amalgamated featuring two different electrical systems. The initial ten units used Westinghouse equipment and entered service in 1906. These 'camel-back' bogie locomotives had a central cab design, weighed 50 tons, and housed four traction motors. The second batch featured a boxcar-style body with British Thomson-Houston electrical gear but were replaced with Westinghouse equipment in 1919.

In the early 1920s, the Met commissioned Metropolitan-Vickers of Barrow-in-Furness to rebuild all twenty locomotives. Due to impracticality and cost concerns, the project shifted toward constructing new locomotives utilizing recovered components instead. Built between 1922 and 1923 and named after prominent London figures, these locomotives incorporated four motors delivering a combined one-hour rating of , capable of reaching a maximum speed of .

Locomotive No. 5 "John Hampden" is preserved at the London Transport Museum, while No. 12 "Sarah Siddons" has been featured at heritage events including the Metropolitan's 150th anniversary.

Electric multiple units

The initial procurement of electric multiple units occurred in 1902 when Metropolitan Amalgamated secured a contract for 50 trailers and 20 motor cars equipped with Westinghouse systems, configured to operate in six-car formations. Only first and third class accommodations were available, as second class had been discontinued. Entry was originally through open lattice gates at the car ends, which were subsequently altered to facilitate off-peak operation in three-car sets. For the joint service on the Hammersmith & City line, both Met and GWR acquired 20 six-car trains fitted with Thomson-Houston electrical apparatus. By 1904, a subsequent order introduced more robust motors and Thomson-Houston equipment, addressing earlier challenges encountered with Westinghouse units. Prior to 1918, these motor cars ran on the Circle line alongside three trailers. The open lattice gates were phased out by 1907 in favor of vestibules, and starting from 1911, central sliding doors were installed to enhance passenger flow during peak times.

Beginning in 1906, select Ashbury bogie carriages were converted into multiple units by adding driving cabs and motors. In 1910, two motor cars were outfitted with dual-end driving cabs to serve shuttle routes between Uxbridge-South Harrow and subsequently Addison Road; from 1925 through 1934, these units operated on the Watford-Rickmansworth line.

A 1913 order introduced saloon-style cars featuring sliding doors to support Circle services including routes via New Cross on the ELR. Additional motor cars and trailers equipped with triple sliding doors were incorporated into Circle operations in 1921.

Between 1927 and 1933, compartment stock was produced by Metro Cammell and Birmingham Railway Carriage and Wagon Company for services running from Baker Street-City to Watford and Rickmansworth. Early deliveries included motor cars with Westinghouse braking systems and Metro-Vickers controls that replaced older motor vehicles paired with bogie trailers; other units utilized vacuum brakes combined with converted Dreadnought coaches forming 'MV' sets. In 1929, an order for 'MW' stock—comprising 30 motor coaches and 25 trailers resembling 'MV' stock but fully equipped with Westinghouse brakes—was placed; a further batch followed in 1931 to assemble seven eight-coach trains powered by GEC WT545 motors. These were designed for multiple working with MV153 motors, although compatibility difficulties emerged. After incorporation into London Underground, MV stock was upgraded with Westinghouse brakes, while GEC-motored cars were re-geared to ensure operational compatibility. In 1938, nine eight-coach and ten six-coach MW units were reclassified as London Underground T Stock. A trailer coach dating from 1904/05 is preserved at London Transport Museum's Acton Depot, while two T stock vehicles are maintained at the Spa Valley Railway.

Sources

Bibliography

• {{cite book|title=Metro-Land|edition=British Empire Exhibition 1924 reprinted|year=2004|isbn=1-904915-00-0|editor-first=Oliver|editor-last=Green|}
• The Subterranean Railway: how the London Underground was built and how it changed the city forever (2004), Atlantic, ISBN 1-84354-023-1

Other publications

External links

• A silent film A trip on the Metropolitan Railway, circa 1910 (Adobe Flash) London Transport Museum
• Metropolitan & Great Central Railway Joint Committee Survey Ten hand-coloured station and crossover plans from 1907, illustrating the line from Harrow-on-the-Hill to Amersham and Chesham.
• Metropolitan Line Clive's Underground Line Guides