(3) Depressible studs fitted in road markings and incorporating reflectors shall not project above the surface of the carriageway in the immediate vicinity more than 6 millimetres at their edges, nor at their highest points more than 25 millimetres, when not depressed or 20 millimetres when depressed by a force of 300 newtons and "newton" means the unit of force specified in paragraph 1.2.3 or chapter A or the Annex to council Directive 71/354 EEC[1] as amended by Council Directive 76/770/EEC[2].
In this Regulation, the expression "depressible studs", in relation to studs fitted in road markings, means studs so fitted that the height by which they project above the surface of the carriageway in immediate vicinity is apt to be reduced when pressure is applied to those studs from above; and "non-depressible studs" and "depressible studs" shall be construed accordingly.
Section V
Miscellaneous Traffic Sign
27.—(1) Notwithstanding the provisions or Regulation 9 and subject to the succeeding paragraphs of this Regulation, signs placed temporarily on or near a road—
(a) For conveying to traffic—
(i)information as respects deviations or, or alternative traffic routes,
(ii)information as respects the route which may conveniently be followed on the occasion of a sports meeting, exhibition or other public gathering, in each case attracting a considerable volume of traffic,
(iii)information as to the date from which works are to be executed on or near a road, or
(iv)a warning or a failure or street lighting;
(b) for conveying to vehicular traffic any prohibition. restriction or requirement of a description required for the purposes or a temporary statutory provision; or
(c) pending the erection or any permanent sign prescribed by these Regulations, for conveying to traffic the indication which such a permanent sign indicates,
may be or such size, colour and type as is specifies in the following provisions of this Regulation.
(2) Every such sign placed as aforesaid (hereinafter referred to as a "temporary sign") shall be of a shape which—
(a) is rectangular;
(b) is rectangular, but with the corners rounded; or
(a) is rectangular, but with one and pointed.
(3) Every temporary sign shall be or such size as is necessary to accommodate the wording, numerals, arrows or chevrons and any symbol taken from any diagram shown in Schedule 1 appropriate to the purpose for which the sign is placed as aforesaid and to accommodate any arms, badge, device, words or letters incorporated in the sign in accordance with the provisions of paragraph (6).
