# The Traffic Signs Regulations and General Directions 2016, Paragraph 14

Extent: E+W+S

(1) The sign may only be placed in connection with works involving a temporary or permanent reduction in the maximum height of vehicles able to pass under a bridge.
(2) Where the reduction is permanent, the sign may be retained in place for a period of six months beginning with the day on which the works are completed.

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Source: https://www.legislation.gov.uk/uksi/2016/362/schedule/13/part/12/paragraph/14 (the official version)
Page: https://openlegislation.uk/traffic-signs-regulations-and-general-directions-2016/schedule-13/part-12/paragraph-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.