In reply to UKH News: I have met a number of moto cyclists over my many years hiking mountain biking and climbing in the peak, generally they are OK, and are often gone quickly enough to not bother me.
4x4's are a bit of different story as they really are extremly damaging to tracks they drive on, and block the whole road off when your trying to ride / walk down it. I have found they are often going at a really slow pace as it is quite technical terrain for them.
However I think it is a real shame they banned motorised water sports in the lakes, as this was a great natural place for it so I am on the fence about banning motor bikes on green lanes in the peak.
If they do get acess then I think they should contibute to the up-keep of tracks and trails (many state this is what vehicle excise duty is for) but the relative cost of maintaining acient cobbled roads is probably far higher than laying some tarmac down over a pot hole!
Any motor bikers out there with a view?