Italian road sign: dimensions of symbols for public transit traffic lights. Introduced in 1992 as picture II 459 of Highway Code Regulations. NOTE: graphical details of letters and lines are indicative only, not an exact reproduction of the details of image of Highway Code Regulations.Introduced in 1992 as picture II 453 of Highway Code Regulations. Lens diameter = 200 mm, A = 35 mm, B = 160 mm, C = 140 mm.
DPR n. 495 del 16 dicembre 1992 Regolamento di esecuzione ed attuazione del Codice della Strada (GU n. 303 del 28 dicembre 1992)
Original:  Ministero dei Lavori Pubblici Vectorization:  Earthshaker13