London Underground
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(Mornington Crescent station on the Northern line, https://commons.wikimedia.org/wiki/File:TubeStationWithTrain.jpg) Location: Greater London, Chiltern, Epping Forest, Three Rivers and Watford Entry into service: January 10, 1863 Length of network: 402 km Lines: 11 Stations: 270 Attendance: 1,229 billion (2012/13) or 3.37 million … Read More