The London Overground was established in 2007 when TfL took over the control of the former National Rail Silverlink franchise in 2007.
[4] It already operates the Shenfield Metro services, taking over from Abellio Greater Anglia on 31 May 2015, as well as the ex-Heathrow Connect route since 20 May 2018.
A pilot project was launched in 2003 to promote the various services provided by train operating companies in South London under one umbrella brand, Overground Network.
The scheme included station upgrades, signage and publicity, but promotion of the brand had ceased by 2007.
[6] In August 2007, London Rail published its 'Rail Freight Strategy' report.