The road measures 10.53 miles long and would take a car obeying speed limits 16 minutes to travel its length.
The A866 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 Sandwick, STORNOWAY, Holm, Branahuie, Aignish, Point, New Garrabost, Garrabost, Shulishader, Portvoller, Portnaguran, and Broker.
The road is located entirely within Western Isles.