“…TEN-T, as well as other EU-wide key strategic assets, are highly complex cross-border interconnected networks and they are naturally very vulnerable to natural or man-made disaster events. Several recent major accidents such as those at the Gotthard and Tauern tunnels, with complete closures of weeks and sometimes months, have highlighted such problems (El-Araby, 2002). The social and economical costs for the consequent disruption are enormous as closing down a motorway such as the A9 in France, can cost up to 300,000 Euros/day only in terms of revenues lost (ASECAP, 2006).…”