New Framework Assesses Resilience of Urban Transit Disruption Response Strategies
Researchers have developed a decision-support framework to evaluate how well different strategies respond to disruptions in urban public transit systems using multiple performance indicators. The framework combines optimization modeling with agent-based simulation and was tested on Paris's RER B transit line. The work matters because it provides transit operators with a systematic way to compare response strategies across dimensions like service continuity, cost, emissions, and equity rather than relying on single-metric assessments.
A new research paper proposes a KPI-driven, time-indexed framework for assessing the resilience of disruption response solutions in interdependent urban transit systems. The framework evaluates multiple complementary dimensions—vulnerability, adaptability, robustness, resilience loss, responsiveness, cost, emissions, and equity—rather than reducing resilience to a single score. It combines an optimization model with behavioral evaluation in agent-based simulation and accounts for secondary service degradation on helper lines when vehicles are redeployed. Testing on the RER B line in the Ile-de-France network showed that coordinated multimodal response strategies provided the most balanced resilience profile, achieving high service continuity with lower total disruption costs than single-mode alternatives while improving equity and maintaining competitive environmental performance. Sensitivity analysis identified specific disruption conditions where coordinated multimodal response delivers the greatest value.
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- arXiv cs.AICenter
A Resilience-as-a-Service assessment framework for coordinated disruption response in interdependent urban transit systems
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