(a) The lengths of trunk road described in Schedule 1 to this Order and shown by broad striped hatching on the deposited plan shall cease to be trunk roads and shall be classified as principal roads as from the date on which the Secretary of State notifies the County Council of Norfolk that the main new trunk road is open for through traffic.
(b) The length of trunk road described in Schedule 2 to this Order and shown by broad striped hatching on the deposited plan shall cease to be a trunk road and shall be classified as a classified road as from the date on which the Secretary of State notifies the County Council of Norfolk that the main new trunk road is open for through traffic.