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
M1 motorway Minister for Transport Industries, John Peyton announced that of UK motorway particularly prone to fog would benefit from lighting in a project that "should be" completed by 1973. Sections to be illuminated included the M1 between Junctions 3 and 14, and between Junctions 16 and 24. In August 2011, the Highways Agency announced that despite being converted to Smart Motorway status, the lights will be switched off on stretches of the motorway between Junctions 10 (Luton) and 15 (Northampton) without affecting road user safety. The motorway junctions and their approaches, and a section of the M1 on either side of