Paragraph 41 Mounting and backing of light signals, matrix signs and warning lights

Light signals such as are prescribed in regulations 30, 31, 32, 34, 35, 37 and 38, the matrix signals prescribed in regulation 36 and the warning lights prescribed in regulations 39(2) and 40 may be placed on or near a road only if they are so placed that they face the stream of traffic to which they are intended to convey the warnings, information, requirements, restrictions or prohibitions prescribed by the Regulations.

The containers enclosing the lamps of each of the types of light signals, matrix signs or warning lights mentioned in paragraph (1) shall be coloured black except that, if those containers enclose lamps of the light signals prescribed in paragraph (5) or (7) of regulation 30, or in regulation 34 or 35, the matrix signs prescribed in regulation 36 or the warning lights prescribed in regulation 39(2) and 40, they may be coloured grey instead of black.

Any of the kinds of light signals mentioned in paragraph (1) other than the signals prescribed in regulation 30(7) may be mounted on a backing board, which shall be coloured black and may have a white border not less than 45 nor more than 55 millimetres wide.

In the case of the light signals prescribed in of regulation 30(7) the back of the backing board shown in diagram 3014 may be coloured black or grey.

In the case of the matrix signs prescribed in regulation 36, an identification number may be shown on the front of the backing board below the signal in the manner shown in diagram 6022.

Without prejudice to paragraph (7), where light signals prescribed in any of the regulations specified in paragraph (1) or shown in a diagram in Part I of Schedule 10 or in Schedule 11 are mounted on a post specially provided for the purpose, that part of the post which extends above ground level shall be coloured grey or black and may have one yellow or white band not less than 140 nor more than 160 millimetres deep, the lower edge of the band being not less than 1500 nor more than 1700 millimetres above ground level.

The light signals, matrix signs or warning lights prescribed in regulation 32, instead of being mounted on a post coloured in accordance with paragraph (6), may be mounted on a post coloured yellow (but having no yellow or white band as specified in paragraph (6)) or on a tripod coloured yellow.