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Asfinag (Autobahnen‐ und Schnellstraßen‐Finanzierungs AG) has the commission to oversee the entire Austrian high‐speed road network. Tunnel safety is an important focus. In the period between 2004, when the tunnel improvement programme started, and the first months of 2019, about EUR 5.7 billion will have been invested in the upgrading of tunnels as well as the optimisation of tunnel safety equipment...