Piccadilly Line going northbound Piccadilly Line going northbound by London Underground Tube trains Green Park Underground station is located very close to the Royal Park of London which holds the same name. The Piccadilly line began as the Great Northern, Piccadilly & Brompton Railway (GNP&BR), one of several railways controlled by the Underground Electric Railways Company of London (UERL), whose chief director was Charles Tyson Yerkes, although he died before any of his schemes came to fruition. Public transport should only be used for essential journeys. Hammersmith is a London Underground station in Hammersmith.It is on the District line between Barons Court and Ravenscourt Park, and on the Piccadilly line between Barons Court and Acton Town or Turnham Green at very early morning and late evening hours. The old station building designed by Leslie Green finally closed for traffic on 21 July 1929, it was demolished in the 1980s when the large building on the corner of Jermyn Street, Piccadilly and Haymarket was constructed. Piccadilly Circus station is located under Piccadilly Circus, whoch gives the name to the station and to the line. A 5 minute service is operating on the rest of the line due to operational restrictions. The station is in Travelcard Zone 2.. 3 London Underground tube trains, Piccadilly Circus Station. Travelcard Zone 1. A complete list of all the stations on the London Underground Piccadilly Line & A tube map to help you on your journey as you travel round the Undergound. Piccadilly Line: A 10 minute service is operating between Acton Town and Uxbridge.