The road measures 11.99 miles long and would take a car obeying speed limits 19 minutes to travel its length.
The A809 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 Croftamie, Drymen, Killearn, Dumgoyne, Blanefield, Milngavie, and Bearsden.
The road connects Stirling and Falkirk and Dunbartonshire.