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Systemic Risk Approach to Mitigate Delay Cascading in Railway Networks by Daniotti, Simone; Servedio, Vito D. P.; Kager, Johannes; Robben-Baldauf, Aad; Thurner, Stefan is a scholarly article available to read on EtoBox.

What is Systemic Risk Approach to Mitigate Delay Cascading in Railway Networks about?

In public railway systems, minor disruptions can trigger cascading events that lead to delays in the entire system. Typically, delays originate and propagate because the equipment is blocking ways, operational units are unavailable, or at the wrong place at the needed time. The specific understanding of the origins and processes involved in delay-spreading is still a challenge, even though large-scale simulations of national railway systems are becoming available on a highly detailed scale. Without this understanding, efficient management of delay propagation, a growing concern in some Western countries, will remain impossible. Here, we present a systemic risk-based approach to manage daily delay cascading on national scales. We compute the {\em systemic impact} of every train as the maximum of all delays it could possibly cause due to its interactions with other trains, infrastructure, and operational units. To compute it, we design an effective impact network where nodes are train services and links represent interactions that could cause delays. Our results are not only consistent with highly detailed and computationally intensive agent-based railway simulations but also allow u

Author

Daniotti, Simone; Servedio, Vito D. P.; Kager, Johannes; Robben-Baldauf, Aad; Thurner, Stefan

Published

2023

Language

EN