Italian road signals: special traffic signals. The red lights are used at level crossing, at mobile brigdges, at boarding of ferry boat or where an airstrip cross a road. The traffic light with white number shows the suggested speed in order to exploit the green wave. Introduced in 1992 as picture II 461 of Highway Code Regulations.
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