# The Traffic Signs Regulations and General Directions 2016, Paragraph 4

Extent: E+W+S

The sign—
(a) must only be placed to indicate the effect of an Act, order, regulation, bylaw, resolution or notice which restricts the use of the road by traffic; and
(b) when placed as a terminal sign, must be placed as near as practicable to the point that the speed limit begins or ends.

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Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/10/part/4/paragraph/4 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-10/part-4/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.