located_in_the_administrative_territorial_entity ruislip gardens tube station
___MASK1___ (, or ) is a market town in the Chiltern Hills , Buckinghamshire , England . It is located 11 miles south - east of the county town of Aylesbury . ___MASK1___ is also a civil parish designated a town council within Chiltern district . It is situated in the Chess Valley and surrounded by farmland , as well as being bordered on one side by Amersham and ___MASK1___ Bois . The earliest records of ___MASK1___ as a settlement are from the second half of the 10th century although there is archaeological evidence of people in this area from around 8000 BC . Henry III granted the town a royal charter for a weekly market in 1257 . The Metropolitan line is a ___MASK24___ Underground line that runs from Aldgate , in the City of ___MASK24___ , to Amersham and ___MASK1___ in Buckinghamshire , with branches to Watford in Hertfordshire , and Uxbridge in the ___MASK58___ . Coloured ___MASK23___ ( Pantone 235 ) on the tube map , the line is in length and serves 34 stations . The section between Aldgate and Baker ___MASK66___ is shared with the Circle and Hammersmith & City lines ; that between Rayners Lane and Uxbridge with the Piccadilly line ; and that between Harrow - on - the - Hill and Amersham with Chiltern Railways . Just under 67 million passenger journeys were made on the line in 2011 / 12 . The line is one of only two ___MASK24___ Underground lines to cross the Greater ___MASK24___ boundary , the other being the Central line . Ruislip is a town in ___MASK2___ ___MASK24___ , ___MASK55___ , which is part of the ___MASK58___ . Rapid transit , also known as heavy rail , metro , subway , tube , or underground , is a type ___MASK10___ high - capacity public transport generally found in urban areas . Unlike buses or trams , rapid transit systems are electric railways that operate on an exclusive right - ___MASK10___ - way , which cannot be accessed by pedestrians or other vehicles ___MASK10___ any sort , and which is often grade separated in tunnels or on elevated railways . ___MASK85___ ( or ), abbreviated Bucks , is a county in South ___MASK31___ ___MASK55___ which borders ___MASK47___ to the south east , Berkshire to the south , ___MASK94___ to the west , Northamptonshire to the north , Bedfordshire to the north east and Hertfordshire to the east . ___MASK37___ Palace is the ___MASK24___ residence and administrative headquarters of the reigning monarch of the United Kingdom . Located in the City of Westminster , the palace is often at the centre of state occasions and royal hospitality . It has been a focal point for the British people at times of national rejoicing and mourning . The Tube map is a schematic transport map ___MASK10___ the lines , stations and services ___MASK10___ ___MASK24___ ' s public transport systems , the primary system being ___MASK24___ Underground , known colloquially as " the Tube ", hence the map ' s name . The first schematic Tube map was designed by Harry Beck in 1931 , and it has since been expanded to also include today the Docklands Light Railway , ___MASK24___ Overground , TfL Rail , Tramlink and the Emirates Air Line ___MASK67___ car . ___MASK61___ ( often abbreviated Herts ) is a county in southern ___MASK55___ , bordered by Bedfordshire to the north , Cambridgeshire to the north - east , Essex to the east , Buckinghamshire to the west and ___MASK47___ to the south . For government statistical purposes , it is placed in the East of ___MASK55___ region . Harrods is a luxury department store located on ___MASK59___ ___MASK6___ in Knightsbridge , London . It is owned by the state of Qatar . The Harrods brand also applies to other enterprises undertaken by the Harrods group of companies including Harrods Bank , Harrods Estates , Harrods Aviation and Air Harrods , and to Harrods Buenos Aires , sold by Harrods in 1922 and closed , with plans announced to reopen in 2013 . Asphalt (, occasionally ), also known as bitumen is a sticky , black and highly viscous liquid or semi - solid form ___MASK10___ petroleum . It may be found in natural deposits or may be a refined product ; it is a substance classed as a pitch . Until the 20th century , the term asphaltum was also used . The word is derived from the Ancient Greek  " ásphaltos ". The ___MASK33___ line is a ___MASK24___ Underground service that crosses ___MASK47___ from east to west . From Upminster , the eastern terminus , the line runs through Central ___MASK24___ to Earl ' s Court before dividing into three western branches , to Ealing Broadway , ___MASK9___ and Richmond . There is a short branch that goes from Earl ' s Court to . A branch also runs north from Earl ' s Court to Edgware Road via Paddington . Coloured green on the tube map , the line serves 60 stations in , and with bridges across the Thames on the ___MASK9___ and Richmond branches is the only ___MASK24___ Underground line to cross the ___MASK54___ in this way . The track and stations between Barking and Aldgate East are shared with the Hammersmith & City line , and between Tower Hill and Gloucester Road and on the Edgware Road branch with the Circle line . Some of the stations are shared with the Piccadilly line . Unlike ___MASK24___ ' s deep - level tube railways , the railway tunnels are just below the surface , and the trains are of a similar size to those on British main lines . Aldgate was the eastern - ___MASK43___ gateway through the London Wall leading from the City of London to Whitechapel and the East End of London . It gives its name to a City ward bounded by White Kennet Street in the north and Crutched Friars in the south , taking in Leadenhall and Fenchurch Streets , which remain principal thoroughfares through the City , each splitting from the short street named Aldgate that connects to Aldgate High Street . The ___MASK6___ is situated east north - east of Charing Cross . The ___MASK58___ is the westernmost borough in Greater London , England which had a population of 273 , 936 according to the 2011 Census . It was formed from the districts of Hayes and Harlington , Ruislip - Northwood , Uxbridge , and Yiewsley and West Drayton in the historic county of Middlesex . Today , Hillingdon is home to Heathrow Airport and Brunel University , and is the second largest of the 32 London boroughs by area . ___MASK48___ Railways is a British train operating company owned by Arriva UK Trains that has operated the ___MASK48___ Railways franchise since July 1996 . It operates commuter / regional rail passenger services from its Central ___MASK24___ terminus at ___MASK24___ Marylebone along the M40 corridor to destinations in Buckinghamshire , ___MASK94___ and Warwickshire , as well as long - distance services to the West Midlands along two routes . Services on the ___MASK48___ Main Line run from ___MASK24___ Marylebone to Birmingham Snow Hill , Stratford - upon - Avon and Oxford , with some peak - hour services to Kidderminster . The ___MASK24___ Underground ( also known simply as the Underground , or by its nickname the Tube ) is a public rapid transit system serving ___MASK47___ and some parts of the adjacent counties of Buckinghamshire , Essex and Hertfordshire in the United Kingdom . The Royal Air Force ( RAF ) is the ___MASK73___ ' s aerial warfare force . Formed towards the end ___MASK10___ the First World War on 1 April 1918 , it is the oldest independent air force in the world . Following ___MASK14___ over the Central Powers in 1918 the RAF emerged as , at the ___MASK71___ , the largest air force in the world . Since its formation , the RAF has taken a significant role in British military history , in particular , playing a large part in the Second World War where it fought its most famous campaign , the Battle ___MASK10___ Britain . ___MASK78___ is an area of west London in the ___MASK58___ . The City ___MASK10___ ___MASK24___ is a city and county within ___MASK24___ . It constituted ___MASK43___ ___MASK10___ ___MASK24___ from its settlement by the Romans in the 1st century AD to the Middle Ages , but the agglomeration has since grown far beyond the City ' s borders . The City is now only a tiny part ___MASK10___ the metropolis ___MASK10___ ___MASK24___ , though it remains a notable part ___MASK10___ central ___MASK24___ . Administratively , it forms one ___MASK10___ the 33 local authority districts ___MASK10___ ___MASK47___ ; however , the City ___MASK10___ ___MASK24___ is not a ___MASK24___ borough , a status reserved for the other 32 districts ( including ___MASK24___ ' s only other city , the City ___MASK10___ Westminster ). ___MASK4___ Circus is a ___MASK6___ junction and public space of London ' s West End in the City of Westminster , built in 1819 to connect Regent Street with ___MASK4___ . In this context , a circus , from the Latin word meaning " circle ", is a round open space at a street junction . Covent Garden ( or ) is a ___MASK33___ in ___MASK24___ on the eastern fringes of the West End , between St ___MASK87___ ' 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 with the Royal Opera House , which is also known as " Covent Garden ". The ___MASK33___ is divided by the main thoroughfare of Long Acre , north of which is given over to independent shops centred on Neal ' s Yard and Seven Dials , while the south contains the central square with its street performers and most of the elegant buildings , theatres and entertainment facilities , including the ___MASK24___ Transport Museum and the Theatre Royal , Drury Lane . Pantone Inc . is a corporation headquartered in Carlstadt , New ___MASK90___ . The company is best known for its Pantone Matching System ( PMS ), a proprietary color space used in a variety of industries , primarily printing , though sometimes in the manufacture of colored paint , fabric , and plastics . The ___MASK4___ line is a line ___MASK10___ the ___MASK24___ Underground , coloured dark blue on the Tube map . It is the fourth busiest line on the Underground network on the basis ___MASK10___ the number ___MASK10___ passengers transported per year with 210 , 000 , 000 . It is mainly a deep - level line , running from the north to the west ___MASK10___ ___MASK24___ via Zone 1 , with a number ___MASK10___ surface sections , mostly in its westernmost parts . It is named after the ___MASK6___ above it between Hyde Park Corner and ___MASK4___ Circus . Some ___MASK10___ its stations are shared with the District line and some are shared with the Metropolitan line . It is the second longest line on the system , after the Central line , and has the second most stations , after the District line . It serves many ___MASK10___ ___MASK24___ ' s top tourist attractions including Harrods ( Knightsbridge ), Hyde Park , Buckingham Palace ( within walking distance from Green Park ), ___MASK4___ Circus , ___MASK36___ Square and Covent Garden , as well as ___MASK24___ Heathrow Airport , the busiest airport in Europe . The line shares tracks with the Metropolitan line between Uxbridge and Rayners Lane , and with the District line between Hanger Lane Junction and Acton Town , then runs parallel with the District line between Acton Town and Barons Court . In cryptography , ___MASK23___ is a symmetric key block cipher developed by Michael Jacobson Jr . and Klaus Huber for Deutsche Telekom . The name ___MASK23___ is an acronym for Multifunctional Algorithm for General - purpose Encryption and Network Telecommunication Applications . ( The color ___MASK23___ is also part ___MASK10___ the corporate identity ___MASK10___ Deutsche Telekom .) The cipher was submitted to the Advanced Encryption Standard process , but did not advance beyond the first round ; cryptographic weaknesses were discovered and it was found to be one ___MASK10___ the slower ciphers submitted . ___MASK39___ is a town in ___MASK2___ ___MASK24___ , ___MASK55___ , and the administrative headquarters of the ___MASK58___ . Fifteen miles ( 24 . 1 km ) ___MASK2___ - northwest of Charing Cross , it is one of the major metropolitan centres identified in the ___MASK24___ Plan . ___MASK39___ historically formed part of the parish of Hillingdon in the county of Middlesex , and was a significant local commercial centre from an early time . As part of the suburban growth of ___MASK24___ in the 20th century it expanded and increased in population , becoming a municipal borough in 1955 , and has formed part of Greater ___MASK24___ since 1965 . It is a significant retail and commercial centre , and is the location of Brunel University and the ___MASK39___ campus of Buckinghamshire New University . The town is close to the boundary with Buckinghamshire , which is locally the River Colne . RAF Northolt is a Royal Air Force station in ___MASK78___ , from Uxbridge in the ___MASK58___ , west London . Approximately north of London Heathrow Airport , the station also handles a large number of private civil flights . Northolt has one runway in operation , spanning , with a grooved asphalt surface . ___MASK40___ is a market town and civil parish within Chiltern district in ___MASK85___ , ___MASK55___ , north west of London , in the Chiltern Hills . It is part of the London commuter belt . ___MASK40___ is also from Aylesbury and from ___MASK62___ . ___MASK84___ is a town and borough in ___MASK61___ , ___MASK55___ , situated ___MASK18___ of central London and inside the circumference of the M25 motorway . It is not to be confused with ___MASK84___ , Northamptonshire which is 55 miles to the north . ___MASK36___ Square is a pedestrianised square in the West End of London , England . It was laid out in 1670 and is named after the contemporary ___MASK36___ House , itself named after Robert Sidney , 2nd Earl of ___MASK36___ . Ruislip Gardens is a ___MASK24___ Underground station . It lies on the Central line , between West Ruislip and ___MASK78___ , in Travelcard Zone 5 . The closest stations on the Metropolitan line and Piccadilly line are Ruislip and Ruislip Manor . The station serves RAF Northolt .