S.I. 1984 No. 1992
Control of Noise (Codes of Practice for Construction and Open Sites) Order 1984.
S.I. 1985 No. 145
Control of Noise (Codes of Practice for Construction and Open Sites) (Scotland) Order 1985.
S.I. 1985 No. 463
Traffic Signs (Temporary Obstructions) Regulations 1985 - Reference Advanced Warning Triangles.