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
M62 motorway was constructed and allowances had to be made to counteract possible future subsidence. The motorway crosses the Irwell Valley and the Pendleton Fault on a single-span bridge above the river. Surveying for the Pennine section began in November 1961 and its route was determined in July 1963. Construction between Windy Hill and Pole Moor was difficult through inhospitable hilly terrain, peat bogs, and in undesirable weather conditions. The motorway's highest point, above sea level at Windy Hill near Saddleworth Moor () is the highest point of any motorway in England. A notable structure between junctions 21 and 22 on the