RT info:eu-repo/semantics/article
T1 Bridging technical and social dimensions in critical infrastructure accessibility assessment: A case study from Chile
A1 Contreras, Marta
A1 Chamorro, Alondra
A1 Gómez, Trinidad
A1 Echaveguren, Tomás
A1 Molinos Senante, María
K1 Critical infrastructure
K1 Goal programming
K1 Road network
K1 Accessibility
K1 Extreme natural event
K1 3308 Ingeniería y Tecnología del Medio Ambiente
AB Assessing accessibility to critical infrastructure (CI), e.g., drinking water supply and transportation network,during extreme natural events is fundamental for improving the resilience of urban and rural systems. This studyintroduces a novel methodology to evaluate the criticality of road network links for accessing CI, integrating bothtechnical assessments and societal preferences. A Critical Accessibility Index (CAI) was developed and applied toa case study in the Metropolitan Region of Chile, using a goal programming framework to quantify the relativeimportance of seven CI types as perceived by 750 survey respondents. Drinking water supply was assigned thehighest weight (59.7 %), followed by healthcare (15.9 %) and electricity (8.5 %), reflecting priorities during anearthquake scenario. The CAI was estimated under two scenarios: one assuming equal CI importance and anotherincorporating community preferences. Results showed that in scenario (a), 69.3 % of links had very low criti-cality, while in scenario (b), this decreased to 47.5 %, with a notable increase in medium and high criticalitylinks. Spatial analysis underscored the heightened criticality of drinking water access, especially in rural areaswith low redundancy. Policy implications emphasize the need for dual-focused investment planning that bal-ances technical criticality with social priorities. This approach supports inclusive and robust disaster risk man-agement, offering a replicable framework for diverse regional applications.
PB Elsevier
SN 1874-5482
YR 2025
FD 2025
LK https://uvadoc.uva.es/handle/10324/80442
UL https://uvadoc.uva.es/handle/10324/80442
LA eng
NO International Journal of Critical Infrastructure Protection, 2025, vol. 51, p. 100811
NO Producción Científica
DS UVaDOC
RD 14-dic-2025