It cannot have escaped any drivers notice that the severe winter has caused sudden deterioration in road surfaces. The concrete section of the M90 was no exception where the fast lane was under traffic management for some weeks due to the micro surfacing  not being there any more. The micro surfacing (slurry sealing?) was a complete success as I watched it being applied with some wonderment, it did give a smoother and quieter ride, and the joints from slab to slab did not cause cracks, what was that wonder material?  I don’t know. However the repairs to these extensive areas …