M1 motorway the A5, the motorway takes a more northerly route through the East Midlands, via Leicester, Loughborough, Nottingham to Sheffield, where the M18 splits from the M1 at Junction 32 to head to Doncaster. Originally, the M1 was planned to end at Doncaster but it was decided to make what was going to be the "Leeds and Sheffield Spur" the primary route with the section to the A1(M) south of Doncaster given the separate motorway number M18. From Junction 32, the motorway passes Sheffield, Rotherham, Barnsley and Wakefield, reaching the original end of the motorway at (the original) Junction 44 to
M62 motorway the Islington Radial. Difficulties arose building the Liverpool urban motorway resulting in delays, with the section between Tarbock and Liverpool the last to be completed in 1976. In total, two viaducts, ten bridges and seven underpasses were constructed to secure the structural integrity of the surrounding residential areas. The motorway was constructed only as far as the Queens Drive inner ring road, which is junction 4. The section west of Manchester was intended to be a separate motorway, the M52 to link Liverpool and Salford, but a continuous motorway between Leeds and Liverpool was deemed more feasible, Construction between Liverpool