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 junction 8, which also houses IKEA, junction 9, which interchanges with the A49 road, which was intended to be a motorway, and junction 11. Between these is junction 10, which is a cloverstack interchange with the M6. The M62 crosses Chat Moss before interchanging with the M60 motorway. Owing to the original plan to extend this section of the motorway into Manchester, motorists must turn off to stay on (a TOTSO) the route into Yorkshire. In Greater Manchester, the motorway shares seven junctions, 12 to 18, with the M60 motorway. Junction 13, signposted Swinton, is situated from junction 12, leaving