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Enhancing Extreme Weather Resilience for Rail Systems: Multi-Capability Performance Monitoring Approach & Sustainability Integration
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2025-05-01
[PDF-2.85 MB]
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Edition:Final Research Report (August 2023 – August 2024)
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Abstract:Resilience for rail systems may be defined by the set of system capabilities that enable the continued or improved functionality of rail systems exposed to multiple types of hazards, including extreme weather events. Assessing the resilience of rail systems and making appropriate investments may reduce the impacts of threats to system users and infrastructure. However, no studies found by the authors to date have proposed a comprehensive set of metrics that address all the commonly cited resilience capabilities: robustness, flexibility, preparedness, survivability, recoverability, adaptive capacity, and transformative capacity. Based on a review of studies across freight, intercity passenger, and urban transit rail systems, metrics for resilience are identified, categorized, and analyzed along the disruption and recovery timeline (from before disruption occurrence to long after system recovery). The intent of reviewing such a diverse set of rail system studies is to find appropriate metrics across different agencies, types of systems, and levels of maturity of the agencies’ resilience-building practices. Building upon the review of rail resilience assessment metrics, this first thrust of this research proposes a rail-specific set of metrics to quantify resilience capabilities along the disruption and recovery timeline.
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