[PAR] [TLE] Swinton–Doncaster line [SEP] The Swinton–Doncaster line is a short railway line in South Yorkshire between Swinton Junction on the Wakefield Line and Doncaster South Yorkshire Junction on the East Coast Main Line.  The line comprises the former North Midland Railway's "Swinton curve" between Swinton and Mexborough and the east end of the former South Yorkshire Railway Blackburn Valley line, between Mexborough and Doncaster.  Northern operates passenger trains on the line; TransPennine Express and CrossCountry use the line but do not provide stopping service. [PAR] [TLE] East Coast Main Line [SEP] 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.  Services north of Edinburgh to Aberdeen and Inverness use diesel trains.  The main franchise on the line is operated by Virgin Trains East Coast.
[PAR] [TLE] Swinton – Doncaster line [ SEP ] The Swinton – Doncaster line is a short railway line in South Yorkshire between Swinton Junction on the Wakefield Line and Doncaster South Yorkshire Junction on the East Coast Main Line . The line comprises the former North Midland Railway 's " Swinton curve " between Swinton and Mexborough and the east end of the former South Yorkshire Railway Blackburn Valley line , between Mexborough and Doncaster . Northern operates passenger trains on the line ; TransPennine Express and CrossCountry use the line but do not provide stopping service . [PAR] [TLE] East Coast Main Line [ SEP ] 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 . Services north of Edinburgh to Aberdeen and Inverness use diesel trains . The main franchise on the line is operated by Virgin Trains East Coast .
How many miles long is this major railway link between London and Edinburgh, in which The Swinton-Doncaster line is a short railway between Swinton Junction and Doncaster South Yorkshire?
How many miles long is this major railway link between London and Edinburgh , in which The Swinton - Doncaster line is a short railway between Swinton Junction and Doncaster South Yorkshire ?
393 mi
393 mi