Controlled areas and stop line on a one-way street
4.—(1) Where a crossing is on a one-way street the road markings to indicate a controlled area and stop line shall consist of—
(a)a stop line parallel to the nearer row of studs indicating the limits of the crossing and extending—
(i)in the case of a crossing of the type shown in diagrams 4 or 5 in Part II of this Schedule, from one edge of the carriageway to the other; and
(ii)in the case of a crossing of the type shown in diagram 6 in Part II of this Schedule, from the edge of the carriageway to the central reservation; and
(b)two or more zig-zag lines, each containing not less than 8 nor more than 18 marks and extending away from the crossing.
(2) Subject to paragraph (3), where a central reservation is provided, the road marking shown in diagram 1041 in Schedule 6 to the 1997 Regulations may be placed between the zig-zag lines on the approaches to the central reservation.
(3) Where a central reservation is provided connecting crossings which form part of a system of staggered crossings, the road marking mentioned in paragraph (2) shall be placed in the manner indicated in diagram 6 in Part II of this Schedule.