Transportation infrastructure is vulnerable to threats such are natural and man-made hazards and each agency needs to improve their own ability to adequately and decisively respond to sudden and unforeseen challenges to infrastructure performance. It is pivotal for countries to learn from past experiences to form a shared view on possible future development of transportation networks and how to improve current management approaches to be flexible and adaptive to address future threats, which are likely to be more damaging due to climate change. However, the complexity of approaches being developed depends on the experience of the road operator with natural hazards. Usually, the trigger for improvement of current procedures is related either to a recent hazard event that had a severe impact on network users and society or to a frequently occurring event of a lesser magnitude and consequences thereof.
The report shows that road owners/operators currently apply measures that are aimed at evaluation of asset performance, infrastructure protection, preservation and recovery after failures, which is along the lines of a resilience-based framework. However, there is a need to embrace resilience as a core component of decision making. This will provide valuable insights on potential vulnerabilities in network and the capacity of infrastructure to withstand and recover from disruptions. This important information supports road agencies in prioritisation of maintenance projects fostering the long-term sustainability and adaptability of their infrastructure assets in the face of threats. The report can be downloaded by registered visitors at the PIARC web site at https://www.piarc.org/en/order-library/43543-en-Measures for Improving Resilience of Road Network - Technical Report
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