 Doncaster iPort is connected to the rail network through the main line that is what length?
Doncaster iPort:  It is to be connected to the rail network via the line of the former South Yorkshire Joint Railway, and from an extension of the former Rossington Colliery branch from the East Coast Main Line. East Coast Main Line: The East Coast Main Line (ECML) is a 393 mi major railway link between London and Edinburgh via Peterborough, Doncaster, Wakefield, Leeds, York, Darlington and Newcastle, electrified along the whole route.
393 mi