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Assessing the Functionality of Transit and Shared Mobility Systems after Earthquakes

Author

Listed:
  • Soga, Kenichi PhD
  • Comfort, Louise PhD
  • Zhao, Bingyu PhD
  • Tang, Yili Kelly PhD
  • Han, Tianyu

Abstract

Located within the seismically active Pacific Ring of Fire, California's transportation infrastructure, especially in the Bay Area, is susceptible to earthquakes. A review of current research and stakeholder interviews revealed a growing awareness of emergency preparedness among local jurisdictions and transit agencies in recent years. However, many have yet to formalize and publish their recovery plans. This study introduces an agent-based multimodal transportation simulation tool to enhance post-earthquake transportation resilience. Integrating a road network simulator with a metro system simulator, the tool employs an optimized Dijkstra-based algorithm to calculate optimal routes, travel times, and fares. A case study is conducted for the East Bay, using the simulator to gauge the impact of a compromised Bay Area Rapid Transit (BART) system. The results suggested that original BART passengers could face either longer commute times or higher costs during the recovery phase of a major earthquake without appropriate policies. Such outcomes could disproportionately burden low-income riders, affecting their mobility and overall travel time.

Suggested Citation

  • Soga, Kenichi PhD & Comfort, Louise PhD & Zhao, Bingyu PhD & Tang, Yili Kelly PhD & Han, Tianyu, 2024. "Assessing the Functionality of Transit and Shared Mobility Systems after Earthquakes," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt9s73f674, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt9s73f674
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    Keywords

    Engineering; Public transit; multimodal transportation; disaster resilience; earthquakes; evacuation; computer simulation;
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