1SAll orders and regulations made, and all directions, consents and notices given, with respect to a road which becomes a trunk road, by the former roads authority for the purpose of their functions with respect to that road shall, if they were in force immediately before the road became a trunk road, have effect with respect to the trunk road as if made or given by the Secretary of State; but nothing in this paragraph shall be taken as transferring to the Secretary of State any liability not transferred to him by or under section 112 of this Act.