PART 6The Schedule 4 General Direction
1.—(1) The signs provided for in this Schedule must only be placed to indicate the effect of an Act, order, regulation, bylaw, resolution or notice which prohibits or restricts the use of the road by traffic.
(2) Sub-paragraph (1) does not apply to a sign which consists solely of the elements provided for in the Part 3 sign table at—
(a)item 2 (except where the taxi, ambulance or police vehicle legend in column 4 at paragraph 2(c) is included); or
(b)item 10.