# The M48 Motorway (Severn Bridge) (Temporary Restriction and Prohibition of Traffic) Order 2018, Article 5


Articles 3 and 4 apply only during such times and to such extent as shall from time to time be indicated by traffic signs and shall not apply to—
(a) a vehicle being used for police, fire and rescue authority or ambulance purposes; or
(b) anything done at the direction of, or with the permission of, a constable.

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Source: https://www.legislation.gov.uk/uksi/2018/1290/article/5 (the official version)
Page: https://openlegislation.uk/m48-motorway-severn-bridge-temporary-restriction-and-prohibition-of-traffic-order-2018/article-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.