TfL bids to take over Moorgate mainline with plan to increase Great Northern services

Transport for London (TfL) has formally applied to take over the mainline railway out of Moorgate station north to Welwyn Garden City and to Stevenage via Hertford North.
Although expected, and also suggested as an option in the government’s recent new towns paper, a Freedom of Information request has given some more details of what a TfL run service would look like.
What is known as “Great Northern Inners” comprises the tunnels from Moorgate to Finsbury Park, and just north of