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
M57 motorway M57 motorway The M57 motorway, also known as the Liverpool Outer Ring Road, is a road in England. Designed as a bypass road for Liverpool, it is long and links various towns east of the city, as well as the M62 and M58 motorways. Starting at the Tarbock Interchange in Tarbock, at the end of the A5300, the motorway heads north to the east of Huyton and west of Prescot and crosses the Liverpool and Manchester Railway. It then runs across the north east of Huyton before running west of Knowsley Village. After meeting the A580 at a split junction