The most obvious of the features of the long Windy Hill cutting on the M62 is the elegant and narrow parabolic arched bridge that sweeps overhead. In a display of pedestrian power, it’s there to carry the remote and rugged Pennine Way across the motorway. The bridge itself is designed to cope with wind speeds up to 120 mph (it’s called Windy Hill for a reason), although you’d hope that the hikers had retired to the pub long before it got to that point. Between the 300 and 200 yard…