# The Traffic Signs Regulations and General Directions 2016, Paragraph 1

Extent: E+W+S

The signs provided for—
(a) in the sign table in Part 2; ...
(b) at items 1, 2, 6 and 7 of the sign table in Part 4,
(c) at item 1 of the sign table in Part 4B,
must only be placed to indicate the effect of an Act, order, regulation, bylaw, resolution or notice which restricts or prohibits the use of the road by traffic.

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Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/8/part/5/paragraph/1 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-8/part-5/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.