two commuter railway lines serving London, Essex, Berkshire and Buckinghamshire
TfL Rail is a metro service operated by MTR Corporation under contract to Transport for London (TfL).
- East London
In May 2015, TfL Rail took control of the commuter service between Liverpool Street in central London and Shenfield in Essex. This branch comprises the first 14 stations on the Great Eastern Main Line. There is an interchange at Shenfield for medium- and long-distance services to East Anglia.
- West London
On 20 May 2018 TfL Rail took over operation of the Heathrow Connect service between Paddington in central London and Heathrow Airport to the west. This route has nine stations.
In December 2018, the two TfL Rail routes will merge with Crossrail to form the Elizabeth Line.