Old Italian signal for motorcycles prohibited (1959-1992). It prohibits the transit of motorcycles and, more generally, to all two-wheel motor vehicles
a photo of the real thing
Anton Aldo Abrugati, Vincenzo Di Ciò, Codice della Strada. Giuffrè Editore, 1967.
Based on file:Italian traffic signs - divieto di transito motocicli.svg
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