The Traffic Signs Regulations and General Directions 1994

Use of different types of light signals

30.—(1) Light signals used for the control of vehicular traffic shall be of the size, colour and type prescribed in paragraph (2), (3), (5), (7) or (9).

(2) Subject to regulation 31, light signals used to control vehicular traffic at road junctions, at places where the headroom or the width of the road is permanently restricted, or at places where pedestrians cross the road (other than Pelican crossings) shall be of the size, colour and type shown in diagram 3000, 3000.3, 3000.4, 3000.5 or 3000.6 and be illuminated in the sequence prescribed in paragraph (4).

(3) Light signals used to control vehicular traffic consisting solely of pedal cycles shall be of the size, colour and type shown in diagram 3000.2 and be illuminated in the sequence prescribed in paragraph (4).

(4) The sequence of illumination of the lights shown by the signals prescribed in paragraphs (2) and (3) shall be as follows—

(a) red,

(b) red and amber together,

(c) green,

(d) amber,

provided that where the light signals are varied as prescribed in regulation 31, the green arrow shown in diagram 3000.4 or 3000.6 and shown as a permitted variant of diagram 3000.3 or 3000.5 or one of the green arrows shown as a permitted variant of diagram 3000.3, 3000.4 or 3000.6 may be illuminated while any of the lights referred to in sub-paragraphs (a), (b), (c) and (d) are illuminated.

(5) Light signals used to control vehicular traffic entering or proceeding along a motorway or dual carriageway road shall be—

(a) of the size, colour and type shown in diagram 6031.1 or 6032.1; and

(b) operated as prescribed in paragraph (6).

(6) The operating requirements for the light signals prescribed in paragraph (5) are that—

(a) each lamp shall show an intermittent red light at a rate of flashing of not less than 60 nor more than 90 flashes per minute, and in such a manner that the lights of one vertical pair are always shown when the lights of the other vertical pair are not shown; and

(b) the red cross or the white symbol shown in diagram 6031.1 or 6032.1 shall be illuminated by a steady light when the red lights are flashing.

(7) Light signals used to control road traffic at level crossings, swinging or lifting bridges, tunnels, airfields or in the vicinity of premises used regularly by fire, police or ambulance service vehicles shall be—

(a) of the size, colour and type shown in diagram 3014; and

(b) illuminated in the sequence prescribed in paragraph (8).

(8) The sequence for the illumination of the light signals prescribed in paragraph (7) shall be as follows—

(a) a single steady amber light,

(b) two intermittent red lights, each of which will be shown at a rate of flashing of not less than 60 nor more than 90 flashes per minute, and in such a manner that one light is always shown when the other light is not shown.

(9) Light signals used to control tramcars shall—

(a) be of the size, colour and type shown in diagram 3013; and

(b) display the aspects shown in diagrams 3013.1, 3013.2, 3013.3, 3013.4 and 3013.5 in the sequence prescribed in paragraph (10).

(10) The sequence for the illumination of the light signals prescribed in paragraph (9) shall be as follows—

(a) the horizontal line shown in diagram 3013.1,

(b) the vertical line shown in diagram 3013.2 or either of the diagonal lines shown in diagram 3013.3 or 3013.4,

(c) the central circle shown in diagram 3013.5.

(11) When the light signals prescribed in paragraph (9) (“tram signals”) are affixed to the light signals mentioned in paragraph (2) (“standard signals”) in the manner shown in diagram 3000.3, 3000.4, 3000.5 or 3000.6 their aspect may be such that they convey to the driver of a tramcar a significance (within the meaning of regulation 33) which is different from that conveyed at the same time to the drivers of other vehicular traffic by the aspect of the standard signals to which the tram signals are affixed.