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The Grammar of Traffic Regulations

1. So-called traffic signs, especially the visual signs on public roads, are not to be conceived of as signs in the traditional sense, but as sentences of a typically linguistic structure. They are, as such, a subset of language, be it with a different surface form and a restricted semantic reach and variety. Their underlying structure, however, can be related to that of sentences in natural languages. Whether this subset should be regarded as a non-universal language, comparable to Whorf's Average Indo-European, or as a universal system, should be ascertained by fundamental research.