From Bristol: Take M5 to Junction 27, then take A38 towards Wellington. After 1/2 mile, at roundabout, turn right onto B3181 towards Cullompton and continue along B3181 for 3 miles, passing Willand village, to reach Diggerland on left.
From Exeter: Take M5 to Junction 28, then head towards Cullompton. When you reach the traffic-light controlled junction with the B3181 in the middle of Cullompton turn right, towards Willand, and continue along the B3181 until you cross the motorway bridge. Diggerland is on the right, just after you have crossed the motorway bridge.