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Evaluation of diversion strategies using dynamic traffic assignment
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Transportvetenskap, Trafik och logistik.
2011 (Engelska)Ingår i: Transportation planning and technology (Print), ISSN 0308-1060, E-ISSN 1029-0354, Vol. 34, nr 3, s. 199-216Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
2011. Vol. 34, nr 3, s. 199-216
Nyckelord [en]
incident management, response strategies, dynamic traffic assignment, travel time savings, travel time reliability
Nationell ämneskategori
Övrig annan teknik
Identifikatorer
URN: urn:nbn:se:kth:diva-33455DOI: 10.1080/03081060.2011.565168ISI: 000289636300001Scopus ID: 2-s2.0-79958014212OAI: oai:DiVA.org:kth-33455DiVA, id: diva2:418823
Forskningsfinansiär
TrenOp, Transport Research Environment with Novel Perspectives
Anmärkning
QC 20110524Tillgänglig från: 2011-05-24 Skapad: 2011-05-09 Senast uppdaterad: 2017-12-11Bibliografiskt granskad

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Koutsopoulos, Haris N.
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Trafik och logistik
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Transportation planning and technology (Print)
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