North London could be getting a new Overground line
TfL proposes taking over the Great Northern Inners, converting it to London Overground, increasing frequencies and upgrading stations and infrastructure by autumn 2027.
TfL bids to take over Moorgate mainline with plan to increase Great Northern services
TfL has applied to take over Moorgate-to-Welwyn Garden City and Stevenage (via Hertford North) services and proposes increased frequencies using existing Class 717 trains.