Alarm system in the tunnel, especially road tunnel

摘要

The alarm system in the tunnel where the command and control system (4) of the traffic in the tunnel construction (1) with at least one sensor (7) to detect the crisis in the road tunnels (1) is wirelessly connected to at least one system operator (3) of the mobile phones (8) in the tunnel construction (1) for communicate with each other. Each mobile telephone (8), located within the cell system of the operator (3) of the mobile phones (8), may be identified and receive safety message or warning information also in the relevant language versions.