Abstract
Current strategies for infrastructure resilience in the past often focused on sector specific risk assessment and management activities. But from the regional development planner's perspective, infrastructure sites and corridors like highways, rail tracks, transmission lines and water or gas pipelines cannot be considered as separate and independent from their environment. As damage of infrastructure components may have cascading effects, mutual influences resulting from proximity, intersections and interconnections to other infrastructures have to be considered. The proposed methodology analyses the density of infrastructures in relation to their cross-sectoral and accumulative relevance using geospatial data samples from Germany. It maps spatial criticality by defining a proximity factor which is multiplied with an indicator representing the prominence of each component. This allows the identification of hot-spots of highly accumulated critical infrastructures in a spatial (or geographical) context.
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