# The Carriage of Explosives by Road Regulations 1996, Paragraph 6


Each danger sign and subsidiary hazard sign required to be displayed under this Schedule shall—
(a) be in the form of a square set with its side at an angle of 45° to the vertical; and
(b) have an orange-coloured background with a black border and any figure, letter or pictograph required by the provisions of this Schedule shall be in black.

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Source: https://www.legislation.gov.uk/uksi/1996/2093/schedule/5/paragraph/6 (the official version)
Page: https://openlegislation.uk/carriage-of-explosives-by-road-regulations-1996/schedule-5/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.