Vehicular light signals
3.—(1) The vehicular light signals shall be of the size, colour and type of the signals shown in diagram 3000 in Schedule 8 to the 1994 Regulations, except that a green arrow may be substituted for the green aspect in the manner shown in diagram 3003 in that Schedule or in accordance with any variant permitted by those Regulations in respect of that diagram.
(2) The lamp showing an amber light shall be capable of showing a light which is either steady or which flashes at a rate of not less than 70 nor more than 90 flashes per minute.
(3) The vehicular light signals shall be illuminated in the following sequence—
(a)steady green,
(b)steady amber,
(c)steady red,
(d)flashing amber.