highway sign indicating the prohibition to use the mobile phone while driving is a sign that says to always have snow chains on

a106 advertisement advice alla avviso billboard board catene cellare cellulare chain chains curtail door fine forfeit forfeiture freeway gate gateway guida highway invernali italia italian italy meno message motorway mulct neve notice obbligo panel patente pneumatici polizia portal punti reduce road show sign signals signboard signs snow stradale ticket traffic tutor uso warning winter