The road measures 12.08 miles long and would take a car obeying speed limits 21 minutes to travel its length.
The B778 is a B Road and is located in the Zone 7 Highways Region.
The road passes through several towns, including KILWINNING, Dunlop, Stewarton, and Fenwick.
The road connects Ayrshire and Arran and Ayrshire and Arran.