# The Traffic Signs (Temporary Obstructions) Regulations 1997, Regulation 13: Traffic triangle


A traffic triangle shall consist of a device which is—
(a) of the size, colour and type specified in either of the diagrams in Schedule 3; and
(b) legibly and permanently marked—
(i) in the case of a triangle of the size, colour and type specified in the first diagram in Schedule 3, with the specification number of the British Standard for an Advance Warning Triangle to indicate a temporary obstruction, namely BS:AU47:1965 as amended by amendment No. 1 of 6th May 1966, or the specification number of an equivalent standard which has been approved by a recognised standardising body in an EEA State; or
(ii) in the case of a triangle of the size, colour and type specified in the second diagram in Schedule 3, with the marking designated as an approval mark by regulation 4 of the Motor Vehicles (Designation of Approval Marks) Regulations 1979 and shown in item 27 of Schedule 2 to those Regulations.

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Source: https://www.legislation.gov.uk/uksi/1997/3053/regulation/13 (the official version)
Page: https://openlegislation.uk/traffic-signs-temporary-obstructions-regulations-1997/regulation-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.