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Evaluation of diversion strategies using dynamic traffic assignment
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
2011 (English)In: Transportation planning and technology (Print), ISSN 0308-1060, E-ISSN 1029-0354, Vol. 34, no 3, 199-216 p.Article in journal (Refereed) Published
Abstract [en]

A framework for the evaluation of the effectiveness of traffic diversion strategies for non-recurrent congestion, based on predictive guidance and using dynamic traffic assignment, is presented. Predictive guidance is based on a short-term prediction of traffic conditions, incorporating user reaction to information and guidance. A case study of the Lower Westchester County network in New York State, using DynaMIT-P, is presented to illustrate the application of the framework. DynaMIT-P is capable of evaluating diversion strategies based on predicted conditions, which take into account drivers' response to traffic information. The case study simulates the operations of predictive variable message signs positioned in strategic locations. DynaMIT-P is calibrated for the study network and used to establish base conditions for two incident scenarios in the absence of advanced traveller information systems. The effectiveness of predictive diversion strategies is evaluated (using rigorous statistical tests) by comparing traffic conditions with and without diversion strategies. The empirical findings suggest that incident diversion strategies based on predictive guidance result in travel time savings and increased travel time reliability.

Place, publisher, year, edition, pages
2011. Vol. 34, no 3, 199-216 p.
Keyword [en]
incident management, response strategies, dynamic traffic assignment, travel time savings, travel time reliability
National Category
Other Engineering and Technologies not elsewhere specified
URN: urn:nbn:se:kth:diva-33455DOI: 10.1080/03081060.2011.565168ISI: 000289636300001ScopusID: 2-s2.0-79958014212OAI: diva2:418823
TrenOp, Transport Research Environment with Novel Perspectives
QC 20110524Available from: 2011-05-24 Created: 2011-05-09 Last updated: 2012-06-12Bibliographically approved

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Koutsopoulos, Haris N.
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