The road measures 20.69 miles long and would take a car obeying speed limits 36 minutes to travel its length.
The B3137 is a B Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like SOUTH MOLTON, George Nympton, Queens Nympton, Alswear, Romansleigh, Mariansleigh, Meshaw, East Worlington, Witheridge, Nomansland, Templeton, Pennymoor, Withleigh, Hensleigh, Long Drag, and TIVERTON.
The road is located entirely within Devon.