M18 motorway (Great Britain) M18 motorway (Great Britain) The M18 is a motorway in Yorkshire, England. It runs from the east of Rotherham to Goole and is approximately long. A section of the road forms part of the unsigned Euroroute E13. The M18 runs in a north east/south west direction from junction 32 of the M1 motorway to junction 35 of the M62 motorway. It passes east of Rotherham, southeast of Doncaster and Armthorpe, and west of Thorne. It meets the A1(M) at junction 2 (A1(M) junction 35)--known as the Wadworth Interchange—and the M180 motorway at junction 5. Access to Doncaster is provided from
M1 motorway the above schemes, the Highways Agency also plans to add capacity and improve flows on the following sections of motorway in the longer term. Plans to dual the A421 from Junction 13 to Milton Keynes and to add capacity to Junction 10a on the Luton spur are being developed. !scope=col|mile !scope=col|km !scope=col abbr="Southbound"|Southbound exits (B carriageway) !scope=col|Junction !scope=col abbr="Northbound"|Northbound exits (A carriageway) !scope=col|Coordinates Stansted Airport, Dartford, M11, M20 The M1 is the only UK motorway to use transition curves (spirals) to connect straights to curves (circles) as is usual with railways. This was found to be unnecessary and curves connect