Italian traffic sign: two-way road. Used mostly on one-way roads that become temporarily a two-ray road; exceptionaly it can be used to signalize the standard end of an one-way road. Picture 25 of 1959 Highway Code Regulation; used until 1990.
Anton Aldo Abrugati, Vincenzo Di Ciò, Codice della Strada. Giuffrè Editore, 1967. Based on File:Italian traffic signs - doppio senso.svg
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