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 with Ferrybridge at the eastern terminus rather than Selby. By the 1960s, the proposed A580 upgrade to dual carriageway was considered inadequate, and there was an urgent need to link Liverpool to the motorway network. The route of the Lancashire-Yorkshire motorway was considered inadequate as it failed to cater for several industrial towns in Yorkshire. When James Drake visited the United States in 1962, his experience of the Interstate Highway System led him to conclude that the Merseyside Expressway, planned to run between Liverpool and the M6, would need to be extended to the Stretford-Eccles Bypass and beyond, to create