# Road Traffic Act 1974, Section 18: Experimental introduction of road humps for controlling vehicle speeds.


(1) Notwithstanding anything in the Explosives Act 1875 or in any other enactment, a constable who is for the time being engaged in the regulation of traffic in a road or any person acting under his authority may, on or in the vicinity of the road, light and use a flare for the purpose of regulating the traffic.
(2) In this section “flare” means a firework or other device designed to produce a light by a process of combustion.

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Source: https://www.legislation.gov.uk/ukpga/1974/50/section/18 (the official version)
Page: https://openlegislation.uk/road-traffic-act-1974/section-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.