# The Traffic Signs Regulations and General Directions 2016, Paragraph 15

Extent: E+W+S

(1) The sign may only be placed in connection with a traffic census, if the taking of that census has been approved by—
(a) the traffic authority;
(b) the chief officer of police; and
(c) the relevant national authority.
(2) In this general direction, the “relevant national authority” means—
(a) the Secretary of State in relation to a road in England;
(b) Scottish Ministers in relation to a road in Scotland; and
(c) Welsh Ministers in relation to a road in Wales.

---
Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/13/paragraph/15 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-13/paragraph-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.