HC Deb 23 February 1953 vol 511 c184W
58. Mr. Erroll

asked the Minister of Transport if he is aware that bodies claiming to be representative of motoring interests are erecting traffic signs in the London traffic area bearing the super-seription, "Police Notice "; and whether this is being done with his authority.

Mr. Braithwaite

Yes. The use of these signs is authorised by Regulations 25 (2) and 26 of the Traffic Signs (Size, Colour and Type) Regulations, 1950.