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 (Northern Ireland) construction, some work on which had been undertaken between 1955 and 1957. These two plans were eventually upgraded into plans for the M1 by 1958. Construction began 1957 on the first bridge and subsequently the first section of the motorway. In 1964, the Northern Ireland Government announced plans for an extensive route of motorways which saw the M1 now planned to go to Dungannon. The M1 is the only motorway in Northern Ireland completed to its full planned length The road was constructed in stages between 1962 and 1968: Prior to the opening the RUC traffic division ran a publicity