The road measures 26.41 miles long and would take a car obeying speed limits 45 minutes to travel its length.
The B3078 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 WIMBORNE, Furzehill, High Hall, Grange, Stanbridge, Witchampton, Hinton Martell, Horton, Knowlton, Wimborne St. Giles, Cranborne, Cripplestyle, Broxhill, Alderholt, FORDINGBRIDGE, East Mills, Godshill, Blissford, Redlynch, and Brook.
The road connects Dorset and Hampshire.