# The Traffic Signs Regulations and General Directions 2002, Regulation 50: Warning lights at school crossing places

Extent: E+W+S

A sign for conveying a warning to vehicular traffic that a school 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.

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Source: https://www.legislation.gov.uk/uksi/2002/3113/regulation/50 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2002/regulation-50
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.