The road measures 29.69 miles long and would take a car obeying speed limits 40 minutes to travel its length.
The A811 is a A Road and is located in the Zone 8 Highways Region.
This is a true long-distance route, journeying through numerous towns like Balloch, ALEXANDRIA, Gartocharn, Croftamie, Drymen, Balfron Station, Balfron, Buchlyvie, Arnprior, Kippen, Boquhan, Gargunnock, Touch, and STIRLING.
The road connects Dunbartonshire and Stirling and Falkirk.