M18 motorway (Great Britain) and 12 June 2015. The M18 was originally to be part of the M1, but it was decided to route the M1 towards Leeds instead of Doncaster, and the routing of what would have been the M1 east of Sheffield became the M18. Data from driver location signs are used to provide distance and carriageway identifier information. The location sequence is a continuation of the M1 location sequence. !scope=col|miles !scope=col|km !scope=col abbr="Southbound"|Southbound exits (B carriageway) !scope=col|Junction !scope=col abbr="Northbound"|Northbound exits (A carriageway) !scope=col|Coordinates M18 motorway (Great Britain) The M18 is a motorway in Yorkshire, England. It runs from the east of
M62 motorway of the motorway between Gildersome and Lofthouse was built at the same time, resulting in the demolition of a significant proportion of the village of Tingley to build the eponymous interchange. Lofthouse Interchange was built between 1965 and 1967. Owen Williams and the Babtie Group were the engineers. Located where the M62 crosses above the M1 motorway, it is a complex three-level junction with eight bridges including a roundabout supported by four long curved bridges on 12-metre piers above both motorways. The roundabout's north and south bridges have spans of 28 metres and the east and west have spans of