I don't think Buses, Coaches, HGVs and Caravans are actually allowed to use Sutton Bank because of it being maximum gradient of 1 in 4 (25%) (my great copying and pasting skills)
I don't think Buses, Coaches, HGVs and Caravans are actually allowed to use Sutton Bank because of it being maximum gradient of 1 in 4 (25%) (my great copying and pasting skills)