But many other forms of publicity, and repeated publicity over a period, will also be necessary before the new symbolic signs can be introduced. We hope that for this purpose the co-operation can be obtained of the press, radio and tele vision authorities, schools, local authorities, motoring organisations, oil com panies and motor car and tyre manufacturers in a planned and co-ordinated campaign to ensure that the public are better educated in the new symbolic signs than they evidently are at present in the existing symbols .
The 1949 Protocol system of traffic signs should be adopted in the United Kingdom but selectively and with design modifications (paragraph 37) .
Lower-case letters with initial capitals should normally be used on traffic signs (paragraph 42).
There are a few special signs for which capital letters should be reserved (paragraph 43).
Only the alphabets shown in Appendix II should be used (paragraph 44) .
The individual signs recommended are illustrated in Appendix II (paragraph 46) .
With certain stated exceptions posts and other fittings should be grey; so too should the backs of signs (paragraph 47).
The colours recommended are specified in Appendix IV (paragraph 48).
The sizes recommended for warning, mandatory and prohibitory signs are given in Appendix VI (paragraph 49).
With the exception of the Stop and Give way signs the mandatory signs recommended have a white symbol on a blue circular background (paragraph 51).
The Protocol 'Stop sign is recommended . The Highway Code should emphasize its dual message, (i) stop, (ii) give way to traffic on the major road. The Stop sign should be used only at junctions where visibility is so bad that it is imperative to stop on every occasion (paragraph 52).
Instead of the present Slow major road ahead sign the Protocol inverted red triangle, but with the addition of the words 'Give way', should be used.
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