There would also have to be adequate access between the older and newer parts of town, including a bridge over the valley between Barefoot's Parks and the Royal Mile.
There is no need to get from the old to the new sections of town.  
mnli hypothesis: There is no need to get from the old to the new sections of town.   premise: There would also have to be adequate access between the older and newer parts of town, including a bridge over the valley between Barefoot's Parks and the Royal Mile.