Page:The Traffic Signs Regulations and General Directions 1975 (UKSI 1975-1536).pdf/17

 (c) that part of any sign which is coloured blue, being a sign shown in diagrams 711.1, 719.1, 721.1, 746.1, 818 to 821, 823 to 825 or 837 to 838.4 or in any diagram in Part V of Schedule 1, or

(d) to any part of the sign shown in diagram 605.1 which is coloured yellow unless the reflecting material is applied to that part in horizontal strips each such strip being 3 millimetres wide, separated from each other at intervals of 6 millimetres, the centre of the sign being located at a point in one such interval equidistant from the strips separated thereby.

(6) (a) Where in accordance with the last paragraph, different colours of reflecting material are used immediately adjacent to one another on the same sign being a traffic sign to which this paragraph applies in accordance with the next following sub-paragraph, a gap of not more than 20 millimetres in width may be left between the different colours of reflecting material.

(b) This paragraph applies only to traffic signs which being circular in shape have a diameter of at least 1.2 metres, being triangular in shape have a height of at least 1.2 metres along the perpendicular from apex to base, or being rectangular in shape have a side which is at least 1.2 metres in length.

Additional provisions as to illumination

19.—(1) Where a sign shown in a diagram in Schedule 1 (not being a sign consisting of a plate) is illuminated by a means of lighting in accordance with the provisions of Regulation 15 or 16 and a plate shown in a diagram in that Schedule is used in conjunction with that sign, the said plate shall, unless the means of lighting provided for the illumination of the sign adequately illuminates the plate, be illuminated during such times as the sign is illuminated by a means of lighting and that means of lighting shall accord with that one of the methods of lighting, namely, internal or external adopted for the illumination of the sign.

(2) Where a sign shown in a diagram in Schedule 1 (not being a sign consisting of a plate) is illuminated by the use of reflecting material in accordance with the provisions of Regulation 18 and plate shown in a diagram in that Schedule other than a plate shown in any of the diagrams 637 to 640, 640.2, 641 or 662 is used in conjunction with that sign, the said plate shall be illuminated by the use of reflecting material in accordance with the provisions of paragraph (5) of Regulation 18.

SECTION IV

Traffic Signs shown in Schedule 2

Road markings

20.—(1) Subject to the provisions of these Regulations, a traffic sign consisting of a line or mark on a road in these Regulations referred to as a "road marking') for conveying to traffic on roads a warning, a requirement or information of the description specified under a diagram (other than diagrams 2003 and 1013.1) in Schedule 2 shall be of the size and type shown in the diagram relating to that warning, requirement or information.

(2) In any diagram in Schedule 2, the dimensions indicated in brackets against dimensions not so indicated may be treated as an alternative to the last mentioned dimensions.

(3) Where the circumstances so require, the indication given by any of the signs shown in the diagrams in Schedule 2 shall or may be varied as hereinafter provided in this paragraph:—

(a) any indication given by such a sign may be varied in the respect (if any) in which it is shown below the diagram relating to that sign that the indication may be varied;