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
M1 motorway Junction 11 (north Luton), would have lighting columns replaced and remain lit. All lighting columns from Junctions 10 to 14 have now been removed completely, apart from some slip roads. An increasing official interest in secondary safety was evident in an announcement in March 1973 that work would shortly begin on erecting "tensioned safety barriers" along the central reservation of a section of the M1 between Kegworth (J24) and Barlborough (J30). Between 1996 and 1999 the M1 section north of the M62 underwent a major reconstruction and extension to take the M1 on a new route to the A1(M) at