That road you've plotted after Marlborough is quite a busy one, I think you'd be better off dropping down and taking the smaller roads past bath. Like the above link shows, it is fine to ride on but not really ideal and you get awesome views on the smaller road.
That road you've plotted after Marlborough is quite a busy one, I think you'd be better off dropping down and taking the smaller roads past bath. Like the above link shows, it is fine to ride on but not really ideal and you get awesome views on the smaller road.