Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14110
Title: A GIS with traffic simulation engine for incident management applications
Authors: PAN XIAOHONG
Keywords: GIS; Incident Management; Vehicle Dispatching; Traffic Diversion
Issue Date: 21-Aug-2004
Source: PAN XIAOHONG (2004-08-21). A GIS with traffic simulation engine for incident management applications. ScholarBank@NUS Repository.
Abstract: This study presents a novel approach to response units dispatching in real time with a view of optimizing the process of multiple incident response management, namely minimizing the total response travel time of all the response units. The TransCAD geographic information system (GIS) has been applied to incorporate an optimization model for response units dispatching, conduct data processing, and visualize the results. To test the proposed dispatching model, a microscopic traffic simulation tool named PARAMICS was used to simulate incidents in a network, gather link travel times at regular intervals and transmit this time dependent information to TransCAD for dispatching optimization. The results show that a GIS furnished with real time traffic information offers a powerful platform for intelligent incident response dispatching. Besides, a heuristic UE (User Equilibrium) a?? SO (System Optimal) based traffic diversion approach is proposed in this research to derive diversion plans for route travelers when incidents occur. This approach is tested through two simulated experiments on the TransCAD platform and verified to be quite effective.
URI: http://scholarbank.nus.edu.sg/handle/10635/14110
Appears in Collections:Master's Theses (Open)

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2_Title Page.pdf9.66 kBAdobe PDF

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3_Acknowledgements.pdf12.71 kBAdobe PDF

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4_Table of Contents.pdf57.51 kBAdobe PDF

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5_Summary.pdf16.78 kBAdobe PDF

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14_References.pdf58.4 kBAdobe PDF

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