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
Ouse Bridge (M62) a military trestle on pier 15. It was opened on 24 May 1976 by John Gilbert, Baron Gilbert, the Minister of Transport. It was the last section of the main part of the M62 to open, comprising 109 miles. The M62 had taken 15 years and cost £190 million. The A63 Caves Bypass and M62 Balkholme sections (built by Clugston Construction) had opened on 19 February 1976. The Balkholme to Caves section was the first use on a UK motorway of continuously reinforced concrete pavement (CRCP), which has no transverse joints. Ouse Bridge (M62) The Ouse Bridge is a reinforced