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Article: Modeling urban taxi services in congested road networks with elastic demand

TitleModeling urban taxi services in congested road networks with elastic demand
Authors
KeywordsNetwork equilibrium
Optimization
Taxi transportation
Traffic congestion
Issue Date2001
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/trb
Citation
Transportation Research Part B: Methodological, 2001, v. 35 n. 9, p. 819-842 How to Cite?
AbstractThis paper extends the simple network model of urban taxi services proposed by Yang and Wong (Yang, H., Wong, S.C., 1998. Transportation Research B 32, 235-246). The extensions include incorporation of congestion effects, customer demand elasticity, reformulation of the model and development of a new solution algorithm. Instead of the previous characterization of pure taxi movements in a network by a system of nonlinear equations, a two-level model formulation is proposed for taxi movements in congested road networks. The bi-level problem is a combined network equilibrium model that describes simultaneous movements of vacant and occupied taxis as well as normal traffic in a user-optimal manner for given total customer generation from each origin and total customer attraction to each destination. The upper-level problem is a set of linear and nonlinear equations ensuring that the relation between taxi and customer-waiting times and the relation between customer demand and taxi supply are satisfied. The lower-level problem can be solved by the conventional multi-class combined trip distribution and assignment algorithm, whereas the upper-level problem is solved by a Newtonian algorithm with line search. A numerical example is presented to illustrate the proposed model and algorithm and demonstrate the characteristics of the taxi services in congested road networks. © 2001 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/70636
ISSN
2015 Impact Factor: 3.769
2015 SCImago Journal Rankings: 3.905
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWong, KIen_HK
dc.contributor.authorWong, SCen_HK
dc.contributor.authorYang, Hen_HK
dc.date.accessioned2010-09-06T06:24:45Z-
dc.date.available2010-09-06T06:24:45Z-
dc.date.issued2001en_HK
dc.identifier.citationTransportation Research Part B: Methodological, 2001, v. 35 n. 9, p. 819-842en_HK
dc.identifier.issn0191-2615en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70636-
dc.description.abstractThis paper extends the simple network model of urban taxi services proposed by Yang and Wong (Yang, H., Wong, S.C., 1998. Transportation Research B 32, 235-246). The extensions include incorporation of congestion effects, customer demand elasticity, reformulation of the model and development of a new solution algorithm. Instead of the previous characterization of pure taxi movements in a network by a system of nonlinear equations, a two-level model formulation is proposed for taxi movements in congested road networks. The bi-level problem is a combined network equilibrium model that describes simultaneous movements of vacant and occupied taxis as well as normal traffic in a user-optimal manner for given total customer generation from each origin and total customer attraction to each destination. The upper-level problem is a set of linear and nonlinear equations ensuring that the relation between taxi and customer-waiting times and the relation between customer demand and taxi supply are satisfied. The lower-level problem can be solved by the conventional multi-class combined trip distribution and assignment algorithm, whereas the upper-level problem is solved by a Newtonian algorithm with line search. A numerical example is presented to illustrate the proposed model and algorithm and demonstrate the characteristics of the taxi services in congested road networks. © 2001 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/trben_HK
dc.relation.ispartofTransportation Research Part B: Methodologicalen_HK
dc.subjectNetwork equilibriumen_HK
dc.subjectOptimizationen_HK
dc.subjectTaxi transportationen_HK
dc.subjectTraffic congestionen_HK
dc.titleModeling urban taxi services in congested road networks with elastic demanden_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0191-2615&volume=35&spage=819 &epage=842&date=2001&atitle=Modeling+urban+taxi+services+in+congested+road+networks+with+elastic+demanden_HK
dc.identifier.emailWong, SC:hhecwsc@hku.hken_HK
dc.identifier.authorityWong, SC=rp00191en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0191-2615(00)00021-7en_HK
dc.identifier.scopuseid_2-s2.0-0035501580en_HK
dc.identifier.hkuros65876en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035501580&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume35en_HK
dc.identifier.issue9en_HK
dc.identifier.spage819en_HK
dc.identifier.epage842en_HK
dc.identifier.isiWOS:000171460500001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridWong, KI=7404760031en_HK
dc.identifier.scopusauthoridWong, SC=24323361400en_HK
dc.identifier.scopusauthoridYang, H=7406556890en_HK
dc.identifier.citeulike4445987-

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