The road measures 27.06 miles long and would take a car obeying speed limits 41 minutes to travel its length.
The A857 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 STORNOWAY, Laxdale, Newmarket, Barvas, Lower Barvas, Upper Barvas, Ballantrushal, Upper Shader, Lower Shader, Airidhantuim, Borve, High Borve, South Galson, North Galson, South Dell, North Dell, Cross, Swainbost, Port Of Ness, and Lionel.
The road is located entirely within Western Isles.