A bill was presented in 1912–13 to allow this with extensions to join the GN&CR to the inner circle between Moorgate and Liverpool Street and to the Waterloo & City line.
Et lovforslag blev fremlagt i 1912-13 for at tillade dette, sammen med forlængelser der skulle tilslutte GN&CR til den indre cirkel mellem Moorgate og Liverpool Street og til Waterloo & City line.