London Underground ticketing destinations and most interchange stations are in zone 1, meaning that most journeys over similar distances will cost the same. A few stations in the north east of the network, on the Central line, outside Greater London (in the Epping Forest district) are in zones 4, 5 and 6. In the north west of the network, on the Metropolitan line, zones 7, 8 and 9 (formerly A - D) cover stations outside Greater London including Amersham and Chesham in the Chiltern district of Buckinghamshire. Unlike the lower numbered zones, these ancillary areas do not encircle the capital. Some stations are
London Underground ticketing ticket has been resold can be a difficult and time-consuming process. In an attempt to reduce the numbers of Travelcards being used by more than one person, an experiment took place at Brixton station in 2002. A box was provided at the station exit into which passengers were encouraged to deposit Travelcards that were no longer required, and for each ticket deposited London Underground made a small donation to local charities for the homeless. London Underground ticket machines in all stations support the following 17 languages: English, Spanish, French, German, Italian, Japanese, Arabic, Bengali, Chinese, Greek, Gujarati, Hindi, Polish, Punjabi,