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 11a when it opened. There are plans to widen the M1 to dual 4-lane or dual 5-lane between Junctions 21 and 21a and construct a new link road between the M1 and the M69 including a new road bridge to take southbound M1 traffic over the motorway to connect to the M69. During this work the Leicester Forest East services would be closed. Consultation took place in 2007 and a completion date of 2014 was suggested. However the Highway Agency separately suggests that scheme development will "recommence" in 2014/15 with a provisional programmed start of works 2017/18. In addition to