Italian road sign: directional arrow that in a motorway rest area shows the direction for the services indicated by additional panels placed below the arrow. Allowed directions are right, left and straight (only to confirm previous indication); exceptionally arrows can be rotated by 45° downwards or upwards. Signal N. 1 of ministerial circular N. 353 of 1983.
Circolare Ministero dei Lavori Pubblici n. 353 del 3 marzo 1983  "Segnaletica interna delle aree di pertinenza autostradale"
Original:  Ministero dei Lavori Pubblici

Vectorization:  Earthshaker13