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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Term of the Road Dictionary

sound beacon system

Language : PIARC Road Dictionary / English
Theme : Structures Tunnels
Definition : Loudspeakers located at emergency exits and used in case of tunnel evacuation. Note: the beacons may emit a specific sound combined with messages, to help users locate the exit and provide them with appropriate evacuation instructions.

Beschallungsanlage

Language : PIARC Road Dictionary / German
Theme : Kunstbauten (syn. Ingenieurbauwerke DE; syn.Ingenierubau AT) Tunnel
Definition : Lautsprecher im Bereich der Notausgänge, welche im Falle einer Tunnelevakuierung eingeschaltet werden. Anmerkung: der Lautsprecher kann auch ein spezielles Geräusch kombiniert mit den Durchsagen aussenden, was Benutzer bei der Auffindung des Notausganges unterstützen soll und sie mit geeigneten Evakuierungsinstruktionen versorgen soll.