The road measures 7.83 miles long and would take a car obeying speed limits 12 minutes to travel its length.
The B3390 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 Warmwell, Crossways, Moreton, Waddock, and Affpuddle.
The road is located entirely within Dorset.