EL Rashidy, Rawia Ahmed Hassan and Grant-Muller, Susan (2019) A Composite Resilience Index for Road Transport Networks. Proceedings of the ICE - Transport. ISSN 0965-092X
Abstract

This paper is concerned with the development of a composite index for the resilience of road transport networks under disruptive events. The index employs three resilience characteristics, namely redundancy, vulnerability and mobility. Two different approaches, i.e. equal weighting and principal component analysis, are adopted to
conduct the aggregation. In addition, the impact of the availability of real-time travel
information for travellers on the three resilience characteristics and the composite resilience index is described. The application of the index on a synthetic road transport network of Delft city
(Netherlands) shows that it responds well to traffic load changes and supply variations.
The composite resilience index could be of use in various ways including supporting decision makers in understanding the dynamic nature of resilience under different disruptive events, highlighting weaknesses in the network and in assisting future
planning to mitigate the impacts of disruptive events.

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