Italian road sign: end of tunnel ahead. Sign to be used only on specific tunnels where special circulation rules applies (ef. Monte Bianco tunnel) and not on generic tunnels along motorways. Dimension: 60 x 90 cm; introduced as picture 94 of ministerial circular n. 9540 of 1969.
Circolare Ministero dei Lavori Pubblici n. 9540 del 20 dicembre 1969 Segnaletica autostradale
Original:  Ministero dei Lavori Pubblici

Vectorization:  Earthshaker13