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Transport Research Centre (CDV)

Road network belongs to important lifelines of the modern society, however, it is often affected by natural hazards whose impacts are both direct (e.g., road damage by a landslide) and indirect (e.g., widespread service disabilities and considerable travel delays affecting population living far from places originally hit by the disaster). The collaboration addresses the problem of evaluating the vulnerability of road network by simulating impacts of simultaneous closure of multiple roads/links. The CERIT-SC team has participated on a development of a sophisticated algorithm focused on identification of network break-ups and evaluating them by various indices. Leveraging several principles from graph theory, the proposed algorithm is able to cope with considerably larger networks and identify the break-ups of requested size for further evaluation in reasonable time, thus greatly improving the previous highly-limited analyse.

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