Resilience of Regional Transportation Networks Subjected to Hazard-Induced Bridge Damages

The comprehension of network-level consequences resulting from disruptive events is a main gray area in the evaluation of transportation network resilience at the regional level. Explaining hazard impacts on regional network infrastructures and identifying significantly affected areas are important for communicating the need for building resilient infrastructure. This paper presents a framework for assessing the regional network resilience by leveraging scenario-based traffic modeling and GIS techniques. High-impact-zone location identification metrics were developed and implemented in preliminarily identifying areas affected by bridge closures. Resilience was estimated, and an index developed by utilizing practical functionality metrics based on vehicle distance and hours traveled. These are illustrated for the Tampa Bay, Florida, area. Findings for 10 bridge closure scenarios and recovery schemas indicated significant regional resilience losses. The I-275 bridge closure indicated the highest functional loss to the regional network: the aggregated resilience index below 0.5 reflects severe network performance deficit and mobility limitations.

• Record URL:
  • https://doi.org/10.1061/JTEPBS.0000186
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/24732907
• Supplemental Notes:
  • © 2018 American Society of Civil Engineers.
• Authors:
  • Twumasi-Boakye, Richard
  • Sobanjo, John O
• Publication Date: 2018-10

Language

• English

Media Info

• Media Type: Web
• Features: References;
• Pagination: 04018062
• Serial:
  • Journal of Transportation Engineering, Part A: Systems
  • Volume: 144
  • Issue Number: 10
  • Publisher: American Society of Civil Engineers
  • ISSN: 2473-2907
  • EISSN: 2473-2893
  • Serial URL: http://ascelibrary.org/journal/jtepbs

Subject/Index Terms

• TRT Terms: Bridges; Disaster resilience; Forecasting; Geographic information systems; Hazards; Networks; Regional transportation; Service disruption; Traffic models
• Identifier Terms: Interstate 275
• Geographic Terms: Tampa Bay Area
• Subject Areas: Bridges and other structures; Highways; Planning and Forecasting; Security and Emergencies;

Filing Info

• Accession Number: 01681252
• Record Type: Publication
• Files: TRIS, ASCE
• Created Date: Sep 20 2018 4:36PM