# The Traffic Signs Regulations and General Directions 1994, Paragraph 47: Placing of light signals prescribed in regulation 32


Portable light signals may be placed for the control of vehicular traffic only at a site approved by the traffic authority except—
(a) where the signals are being operated and maintained by and are under the regular supervision of a constable during the progress of a temporary scheme of traffic control;
(b) on a length of road along which—
(i) there is no junction carrying vehicular traffic to or from it; and
(ii) the width of the carriageway is temporarily restricted so as to carry only one line of traffic;
(c) at a level crossing when work in relation to that crossing is being carried out; or
(d) on a road adjacent to the temporary site of road, building or engineering works used for the movement of vehicles, materials, plant or equipment within the site of the works.

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Source: https://www.legislation.gov.uk/uksi/1994/1519/schedule/19/paragraph/47 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-1994/schedule-19/paragraph-47
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.