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== מפה ==
 
The District line is {{convert|40|mi}} long and serves 60 stations.<ref name="Line Facts">{{cite web |url= http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/keyfacts/13166.aspx |title=District line facts |publisher=Transport for London |accessdate=1 December 2012}}</ref><ref name="Key Facts">{{cite web |title= Key facts |publisher= Transport for London |url= http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/1608.aspx |accessdate= 1 December 2012 |deadurl= yes |archiveurl= https://web.archive.org/web/20070529041317/http://www.tfl.gov.uk/corporate/modesoftransport/londonunderground/1608.aspx |archivedate= 29 May 2007 |df= dmy-all }}</ref> Much of the line — from Upminster to Putney Bridge, Olympia, Barons Court, and Edgware Road — is electrified with a four-rail DC system: a central conductor rail is now energised at {{Val|-250|ul=volts}} and a rail outside the running rail at {{Val|+500|u=V}}, giving a potential difference of {{Val|750|u=V}}. The section from Barons Court to Ealing Broadway remains at {{Val|-210|u=V}} with a rail outside the running rail at {{Val|+420|u=V}}, giving a potential difference of {{Val|630|u=V}}.<ref name="Martin2012">{{cite book |author= Martin, Andrew |title=Underground, Overground: A Passenger's History of the Tube |url= https://books.google.com/books?id=vh3n5WD_YqsC&pg=PT137 |accessdate=7 December 2012|date=26 April 2012|publisher=Profile Books|isbn=978-1-84765-807-4|pages=137–138}}</ref> The two sections over which main line trains run, from East Putney to Wimbledon, and from Gunnersbury to Richmond, have the centre rail bonded to the running rails.<ref>{{cite book |last= Glover |first=John |title=London's Underground |year=2003 |publisher=Ian Allan |isbn=978-0-7110-2935-4 |page=158}}</ref> West of Earl's Court, there are four branches. At [[Ealing Broadway station]], the District line has platforms north of the [[Central line (London Underground)|Central line]] and the [[Great Western main line]] out of Paddington. After about {{convert|2/3|mi}}, the line meets the Piccadilly line Uxbridge branch at Hanger Lane junction, and the tracks are then shared through [[Ealing Common tube station|Ealing Common station]] until [[Acton Town tube station|Acton Town station]], where the Piccadilly line Heathrow branch joins. From Acton Town to Barons Court, the line has four tracks, paired by use: the District line uses the outer pair and the non-stopping Piccadilly line trains use the inner pair.<ref name="map">{{cite web |url= http://carto.metro.free.fr/cartes/metro-london/ |title=Detailed London Transport Map |accessdate=1 December 2012|work=carto.metro.free.fr}}</ref> At [[Richmond station (London)|Richmond station]], the [[London Overground]] and District line platforms are north of the [[Waterloo to Reading line]] through platforms. The two tracks which cross the Thames at [[Kew Railway Bridge]] are shared with the London Overground trains until Gunnersbury junction, after which the District line tracks join the four-track District and Piccadilly lines just before [[Turnham Green tube station|Turnham Green station]].<ref name="map" />
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