TfL and Greater London Authority to ‘deliver the scheme,’ he said. Brent Cross has been named as a potential location for a new Overground station. However, many commuters had not heard of it.

All of London Overground's lines have been coloured orange on TfL maps since the network was created in 2007, when the transport authority took control of services on four suburban rail lines.

Tucked away on the train map - at the bottom of Zone 6 - is Knockholt ... on a bus for one day only to remove it afterwards READ MORE: The London Underground station where the Overground runs below ...