Stratford

Stratford is a major multi-level interchange station serving the district of Stratford and the mixed-use development known as Stratford City, in the London Borough of Newham, east London. It is served by the London Underground, London Overground, Docklands Light Railway and is also a National Rail station on the West Anglia Main Line and the Great Eastern Main Line, 4 miles 3 chains from Liverpool Street. It is the busiest station on the Tube network that is not located in Travelcard Zone 1.

Source: Wikipedia