Two-Level Integrated Optimization System for Planning of Emergency Evacuation

This paper presents a two-level integrated optimization system for use in generating the candidate set of optimal evacuation plans that serve as the input for simulation-based evacuation systems. In the proposed system, the high-level optimization aims to maximize the throughput during the specified evacuation duration, and the low-level optimization is intended to minimize the total travel time as well as the waiting time for the entire operation if the specified duration is sufficient for meeting all evacuation demands. To effectively represent traffic flow relations with mathematical formulations, this paper employs the cell transmission concept, but with a revised formulation for large-scale network applications. The performance of the proposed models and their applicability has been tested with a microscopic simulation program that replicates the Ocean City evacuation network. Evaluation results from these numerical studies have demonstrated the promising properties of the proposed integrated optimization system.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/8674831
• Authors:
  • Liu, Ying
  • Lai, Xiaorong
  • Chang, Gang-Len
• Publication Date: 2006-10

Language

• English

Media Info

• Media Type: Print
• Features: Appendices; Figures; References; Tables;
• Pagination: pp 800-807
• Serial:
  • Journal of Transportation Engineering
  • Volume: 132
  • Issue Number: 10
  • Publisher: American Society of Civil Engineers
  • ISSN: 0733-947X
  • Serial URL: https://ascelibrary.org/journal/jtepbs

Subject/Index Terms

• TRT Terms: Disaster preparedness; Disasters and emergency operations; Evacuation; Microscopic traffic flow; Networks; Optimization; Planning; Traffic flow rate; Traffic simulation; Travel time; Waiting time
• Uncontrolled Terms: Cell transmission models; Throughput (Traffic)
• Geographic Terms: Ocean City (Maryland)
• Subject Areas: Highways; Operations and Traffic Management; Planning and Forecasting; I72: Traffic and Transport Planning; I73: Traffic Control;

Filing Info

• Accession Number: 01037303
• Record Type: Publication
• Files: TRIS, ATRI
• Created Date: Nov 28 2006 11:31AM