WENDY Lucas makes a good point on speed limits (Letters, July 23). The 50mph speed limit on Canford Way and Dorset Way does seem to be quite ridiculous on such dual carriageways.

There is, of course, a speed limit on the road through Holton Heath to the Baker’s Arms roundabout: it is 60mph.

ROBERT TUCK, Pardy’s Hill, Corfe Mullen