London Underground ticketing London Underground ticketing The London Underground metro system of London, England uses a mix of paper and electronic smart-card ticketing. London Underground uses Transport for London's Travelcard zones to calculate fares, including fares on the Underground only. Travelcard Zone 1 is the most central, with a boundary just outside the Circle line and Travelcard Zone 6 is the most outlying zone covering any of Greater London and it includes London Heathrow Airport. All of Greater London is covered by zones 1 to 6. Tickets including zone 1 are usually more expensive than those involving only outer zones. The most popular
History of the London Underground the City & South London and Central London Railway joined the company. That year the Great Northern & City was taken over by the Met. Suggestions of merger with the Underground Group were rejected by the Metropolitan, a press release of November 1912 noting its interests in areas outside London, its relationships with main line railways and its freight business. Further coordination in the form of a General Managers' Conference faltered after the Metropolitan withdrew in 1911 when the Central London Railway, without any reference to the conference, set its season ticket prices significantly lower than those on the Met's