Italian road sign: railway crossing. Introduced by the Italian Touring Club in 1919, when FIAT and Pirelli started sponsoring the placement of road signs.
Il Touring, la Fiat, Pirelli &amp; C. uniti per i Cartelli Indicatori di Luigi Vittorio Bertarelli, in Rivista mensile del Touring Club Italiano, gennaio-febbraio 1919, pagg. 1-5
Original:  Touring Club Italiano

Vectorization:  Earthshaker13