The Metropolitan line, colloquially known as the Met, is a London Underground line between Aldgate in the City of London and Amersham and Chesham in Buckinghamshire, with branches to Watford in Hertfordshire and Uxbridge in Hillingdon. Printed in magenta on the tube map, the line is 41.4 miles (66.7 km) in length and serves 34 stations. Between Aldgate and Finchley Road, the track is mostly in shallow "cut and cover" tunnels, apart from short sections at Barbican and Farringdon stations. The rest of the line is above ground, with a loading gauge of a similar size to those on main lines. Just under 67 million passenger journeys were made on the line in 2011/12.
Baker Street is a London Underground station at the junction of Baker Street and the Marylebone Road in the City of Westminster. It is one of the original stations of the Metropolitan Railway (MR), the world's first underground railway, opened on 10 January 1863.
Amersham is a London Underground and National Rail station in Amersham in the Chiltern district of Buckinghamshire, England.
Aldgate is a London Underground station near Aldgate in the City of London. The station is on the Circle line between Tower Hill and Liverpool Street, and is the eastern terminus of the Metropolitan line. It is in Travelcard Zone 1.
Great Portland Street is a London Underground station near Regent's Park. It is between Baker Street and Euston Square on the Hammersmith & City, Circle and Metropolitan lines. Great Portland Street station is listed as a building of National Significance and lies in Travelcard Zone 1.
Chalfont & Latimer is a London Underground and National Rail station in Travelcard Zone 8 on the Metropolitan line, in Buckinghamshire. It also serves the Chiltern Railways line to Aylesbury. Chalfont & Latimer station is located just before the junction for trains to Chesham. The station serves Chalfont St Giles, Chalfont St Peter, Little Chalfont and Latimer. It is located in Little Chalfont. It opened as "Chalfont Road" on 8 July 1889 but changed to the present name from 1 November 1915. The station is a good location to alight from to explore the Chess Valley.
Northwood Hills is a London Underground station on the Metropolitan line in the area of Northwood, between Northwood and Pinner stations and is in Travelcard Zone 6.
Northwick Park is a London Underground station in Kenton in the London Borough of Brent on the Metropolitan line. It lies between Harrow-on-the-Hill and Preston Road stations and is in Travelcard zone 4.
Chesham tube station is a London Underground station in Chesham, Buckinghamshire, United Kingdom. It was opened on 8 July 1889 by the Metropolitan Railway (MR). It is the terminus station of the Chesham branch of the Metropolitan line, which runs from Chalfont & Latimer. The station, a Grade II listed building, is in London fare Zone 9.
Pinner is a London Underground station on the Metropolitan line in zone 5. The station was opened in 1885 as part of the Victorian expansion of dormitory suburbs, and was one of the stations included in the Metro-land project in the early 20th century. The site is served by several bus routes including links to the Hatch End railway station which was known as Pinner & Hatch End prior to 1920. Step free facilities were opened in 2008. Its adjacent stations are Northwood Hills (northbound) and North Harrow (southbound).
Harrow-on-the-Hill is an interchange railway station in Harrow, served by suburban London Underground Metropolitan line services and commuter National Rail services on the London–Aylesbury line. It is 9 miles 18 chains down the line from London Marylebone. Harrow-on-the-Hill is the final Metropolitan line stop from Central London before the line splits with the main branch towards Moor Park and the diverged Uxbridge branch towards Uxbridge. It is in Travelcard Zone 5.
North Harrow is a London Underground station situated in North Harrow in North West London. The station is on the Metropolitan line between Harrow-on-the-Hill (southbound) and Pinner (northbound). Fast Metropolitan line and Chiltern Railways services pass by using two of the four tracks. It has won Transport for London awards for best customer service in 2009 and 2010.
West Harrow is a London Underground station in Harrow in north west London.
Preston Road is a London Underground station on the Metropolitan line in the London Borough of Brent. It lies between Northwick Park and Wembley Park stations and is in Travelcard Zone 4. It serves the local area of Preston in Wembley and parts of Kenton.
Rickmansworth is an interchange railway station in Rickmansworth, Hertfordshire, northwest of central London, served by the London Underground Metropolitan line and by Chiltern Railways. It is one of the few London Underground stations beyond Greater London and as a consequence is in Travelcard Zone 7. The station is a good location to alight from to explore the Chess Valley.
Moor Park is a London Underground station in the Three Rivers district of Hertfordshire, serving those living on the Moor Park estate, and also on the neighbouring Eastbury and South Oxhey estates. The station is outside the Greater London boundary but is in both Zone 6 and Zone 7, between the Metropolitan line stations of Rickmansworth, Croxley and Northwood.
Northwood is a station on the Watford branch of the Metropolitan line, in Travelcard Zone 6. The station is located just off the main road through the town, Green Lane. The line serves as the sole continuous link between the town of Northwood and London, key for a region known as Metro-Land.
The London–Aylesbury line is a railway line between London Marylebone and Aylesbury, going via the Chiltern Hills; passenger trains are operated by Chiltern Railways. Nearly half of the line is owned by London Underground, approximately 16 miles (26 km) – the total length of the passenger line is about 39 miles (63 km) with a freight continuation.
The Chesham branch is a single-track railway branch line in Buckinghamshire, England, owned and operated by the London Underground. It runs from a junction at Chalfont & Latimer station on the Metropolitan line for 3.89 miles (6.26 km) northwest to Chesham. The line was built as part of Edward Watkin's scheme to turn his Metropolitan Railway (MR) into a direct rail route between London and Manchester, and it was envisaged initially that a station outside Chesham would be an intermediate stop on a through route running north to connect with the London and North Western Railway (LNWR). Deteriorating relations between the MR and LNWR led to the MR instead expanding to the northwest via Aylesbury, and the scheme to connect with the LNWR was abandoned. By this time much of the land needed for the section of line as far as Chesham had been bought. As Chesham was at the time the only significant town near the MR's new route, it was decided to build the route only as far as Chesham, and to complete the connection with the LNWR at a future date if it proved desirable. Local residents were unhappy at the proposed station site outside Chesham, and a public subscription raised the necessary additional funds to extend the railway into the centre of the town. The Chesham branch opened in 1889.
London's Metropolitan Railway (MR) amalgamated with other underground railways, tramway companies and bus operators on 1 July 1933, to form the London Passenger Transport Board (LPTB); the MR became the Board's Metropolitan line.
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London transportportal 
