m77The M77 motorway is a major westbound link in the west of Scotland, connecting the cities of Glasgow and Prestwick. It runs for 47 miles and is the main route for traffic travelling betweenThe M77 motorway is a motorway in Scotland. It begins in Glasgow at the M8 motorway at Kinning Park, and terminates near Kilmarnock at Fenwick, becoming the A77 dual carriageway.