The road measures 21.93 miles long and would take a car obeying speed limits 35 minutes to travel its length.
The A399 is a A Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like ILFRACOMBE, Watermouth, Berrynarbor, Combe Martin, Kentisbury, Bratton Fleming, Brayford, and SOUTH MOLTON.
The road is located entirely within Devon.