Aldridge Part 2

It's back down the alleys as I advance with some trepidation in the direction of my Nans house. With plenty more monster fences to climb and plenty of people to watch out for in this final section, it would ultimately be the arteries of the industrial revolution, the canal and railway track, that would cause me the most grief. But can I persevere and deliver what's left of my Nan's shopping list to her door step? and in the 3 hour time-frame?