The Traffic Signs Regulations and General Directions 1994

School crossing patrol signs and warning lights

39.—(1) A sign which is exhibited by a school crossing patrol for the purpose of stopping any vehicle in accordance with section 28 of the 1984 Act shall be of the size, colour and type shown in diagram 605.2.

(2) A sign for conveying a warning to vehicular traffic, which is approaching a place in a road where children on their way to or from school or on their way from one part of a school to another cross or seek to cross that road (“a crossing place”), that the crossing place lies ahead and is being patrolled by a school crossing patrol or is otherwise in use by such children—

(a) shall be a light signal of the size, colour and type shown in diagram 4004, each lamp of which when operated shall show an intermittent amber light 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; and

(b) may be erected on or near part of the road in advance of a crossing place in relation to oncoming traffic.