The road measures 5.52 miles long and would take a car obeying speed limits 9 minutes to travel its length.
The B776 is a B Road and is located in the Zone 7 Highways Region.
The road starts in Uplawmoor and ends in Howwood.
The road passes through several counties, including Renfrewshire, Ayrshire and Arran, and Renfrewshire.