Page:The Traffic Signs Regulations and General Directions 1975 (UKSI 1975-1536).pdf/14

 above-mentioned when those signs are erected over the carriageway on structures on which no such equipment is also mounted shall have the proportion and form of the arrow secondly shown in the said Part IV.

(4) Subject to and within the limits of any dimension specified as maximum or minimum in diagrams 743.1 and 744.1, any letters, numerals or other characters incorporated in those diagrams may have proportions and form other than the proportions and form shown in any part of Schedule 7.

Illumination of signs by steady lighting

15.—(1) In this Regulation (except paragraph 8) and in Regulations 16 and 19 the references to lighting shall be construed as references to steady lighting.

(2) The provisions of the following paragraphs of this Regulation in their application to the signs shown in diagrams $21, 522, 543, 545, 562, 606, 609 to 611. 612 to 614, 616 to 622.2, 652 to 655,701 to 715, 718 to 724.2, 727 to 736.1, 741.1.819 to 819.3 and 903 to 910.1 are subject to the provisions of Regulation 16.

(3) The signs shown in diagrams 612 to 614—

(a) when fixed to light signals as prescribed by Regulation 31 or by Regulation 31 as varied by Regulation 32 shall be illuminated at all times by a means of internal lighting, and

(b) when not so fixed shall, subject to paragraph (14), be illuminated throughout the hours of darkness by a means of internal or external lighting unless the signs are placed temporarily on a road for the purposes of a temporary statutory provision or by reason of some emergency,

(4) The sign shown in diagram 606

(a) when fixed to light signals mentioned in the last paragraph shall be illuminated at all times by a means of internal lighting,

(b) when mounted in a bollard shall be illuminated throughout the hours of darkness by a means of internal or external lighting, and

(c) when not fixed or mounted as aforesaid, but when erected on a road within 50 metres of a street lamp lit by electricity shall, subject to paragraph (14), be illuminated throughout the hours of darkness by a means of internal or external lighting unless the sign is placed temporarily on the road for the purposes of a temporary statutory provision or by reason of some emergency.

(5) The signs shown in diagrams 609 to 611, and 616—

(a) when mounted in a bollard shall be illuminated throughout the hours of darkness by a means of internal or external lighting, and

(b) when not mounted as aforesaid, but when erected on a road within 50 metres of a street lamp lit by electricity shall, subject to paragraph (14), be illuminated throughout the hours of darkness by a means of internal or external lighting unless the signs are placed temporarily on the road for the purposes of a temporary statutory provision or by reason of some emergency.

(6) The signs shown in diagrams 521, 522 and 652 when erected on a road within 50 metres of a street lamp lit by electricity shall, subject as aforesaid, be illuminated throughout the hours of darkness by a means of internal or external lighting unless in the case of the signs shown either in diagram 521 or 522 they are placed temporarily on the road for the purposes of a temporary statutory provision or by reason of some emergency.