Regulation 18 The Motorways Traffic (England and Wales) Regulations 1982 and the Motorways Traffic (Scotland) Regulations 1995
Nothing in the Motorways Traffic (England and Wales) Regulations 1982f1 or the Motorways Traffic (Scotland) Regulations 1995f2 shall preclude any person, acting in accordance with an authorisation conferred by Part IV of these Regulations, from placing a flat traffic delineator, keep right sign, traffic cone, traffic pyramid, traffic triangle or warning lamp on, or having placed it there removing it from, a special road to which either of those Regulations apply.