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 21 metres. The M62 overbridge has a reinforced concrete multi-cellular deck of four spans. Two other pre-stressed reinforced concrete bridges carry slip roads over Longthorpe Lane, the B6135. Another bridge with no motorway access carries Longthorpe Lane over the M1. Two skew tunnels were constructed beneath the original junction between 1996 and 1999. The tunnels, constructed using the cut-and-cover method, are for traffic travelling between the M1 south-bound and the M62 west. The tunnel under the M62 is 147 metres in length. Two contracts were awarded for the section between Lofthouse and Ferrybridge in 1972, and both were completed in