Italian road sign: it shows the presence of a specific in a motorway rest area. Symbol are the one defined in ministerial circular N. 400 of 1979. Signal N. 13 of ministerial circular N. 353 of 1983.
The available symbols are:

auto mechanic
bar
hygienic services
restaurant
tourist information
ambulatory
first aid
telephone
market
church
underpassage
police
bus station
state border
scenic viewpoint
picnic area
entrance (from a shop/pub/...)
exit (from a shop/pub/...)
toilet (NOTE: maybe a duplicate of hygienic services)
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