Fare zone 3 is an inner zone of Transport for London's zonal fare system used for calculating the price of tickets for travel on the London Underground, London Overground, Docklands Light Railway[1] and, since 2007, on National Rail services.[2] It was created on 22 May 1983 and extends from approximately 4 miles (6.4 km) to 7.75 miles (12.47 km) from Piccadilly Circus.[3]