Harrow-on-the-Hill station Harrow-on-the-Hill station Harrow-on-the-Hill is a London Underground station served by the Metropolitan line and National Rail services, in Travelcard Zone 5. The stations two exits are located between College Road and Lowlands Road in the Greenhill area of Harrow, about half a mile north of the locality from which it takes its name. This is where the branch from Uxbridge joins the main line and where fast and slow lines are divided. The station is the junction of four LU tracks from Baker Street (paired by direction), two Network Rail tracks from Marylebone, four LU tracks (paired by speed) to
Art on the Underground Art on the Underground Art on the Underground, previously called "Platform for Art", is a visual arts showcase sponsored by London Underground, the rapid transit system for London, England. London Underground's associations with visual art began in 1908 when its then Publicity Officer Frank Pick began commissioning leading artists to work on poster campaigns for the rapidly expanding network. The company's distinctive corporate image, including official Underground roundel and iconic tube map designed by Harry Beck are also considered major contributions to visual art, and several of the network's stations have been decorated with artistic tiling or murals depicting local