Peter Raynham summarises the major changes in the newly updated PLG05 on illuminated advertisements. For a long time Technical Report No 5: Brightness of Illuminated Advertisements has been the standard reference for people working with illuminated signs other than traffic signs. The most recent edition of the report was issued in 2001, but since then there have been a number of developments including changes in the planning regulations and the development of media screens and facades. The new, renamed Public Lighting Guide 05 has been written to cover these topics and, as well as these main changes, all sections of the document have been rewritten and updated. The planning regulations that control advertisements were significantly changed in England in 2007 with the Town and Country Planning (Control of Advertisements) (England) Regulations. These new regulations introduced a new set of definitions for advertisements as well as new luminance limits.
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