Its northern end is at Ferndown and from there it runs south on New Road through West Parley. At Northbourne Roundabout, the route continues onto Wimborne Road. The A347 turns into Whitelegg Way and continues around the north east boundary of Northbourne to the Redhill Roundabout where it goes south, coming off Wimborne Road onto Redhill Avenue.
The road begins its journey at Ferndown and travels south on New Road through West Parley. It then joins Wimborne Road at Northbourne Roundabout, where it becomes Whitelegg Way and encircles the north-east side of Northbourne before reaching the Redhill Roundabout, from which it heads south onto Redhill Avenue.