A tunnel emergency places extremely high demands on communication and safety solutions. Accidents and breakdowns in tunnel areas are extremely dangerous for everyone involved. Should an incident occur, it is of cardinal importance that road-users be afforded the greatest possible safety as well as prompt assistance. In this situation, the extremely robust ProCom emergency call stations is a potential lifesaver. Specially designed for use in harsh environments, it provides faultless speech quality even with high levels of background noise. Networked, monitor-equipped workstations in the control centre ensure the rapid localisation of persons in need of assistance and all call stations are monitored. The ProCom tunnel solutions are easily integrated in existing control centres and the adaptation of various communication networks is easily implemented.