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The first zones were introduced on 4 October 1981. The whole of Greater London was divided into bus zones where flat fares applied. On the
London Underground the area that is now
zone 1 was divided into two overlapping areas called
City and
West End. On 21 March 1982 fares to all other London Underground stations were graduated at three mile intervals—effectively creating zones—although they were not named as such until 1983 when the
Travelcard product was launched covering five numbered zones. City and West End became zone 1 and the rest of Greater London was within zones 2, 3, 4 and 5. Further products were launched using the zones: One Day Travelcard (1984), Capitalcard (1985), One Day Capitalcard (1986). In January 1991 Zone 5 was split to create a new Zone 6.
Principal fare zones
All of Greater London is within the six principal fare zones numbered 1 to 6. Inner zone 1 forms a roughly circular area and covers
central London. Each of five outer zones forms a concentric ring around it. Zones 4, 5 and 6 additionally extend into parts of Essex, Hertfordshire and Surrey. List of boroughs in each zone:
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