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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorWu, ZX-
dc.creatorYe, HS-
dc.creatorSun, M-
dc.creatorLam, WHK-
dc.description10th International Conference of Hong Kong Society for Transportation Studies: Transportation and the Economy, HKSTS 2005, Kowloon, 10 December 2005en_US
dc.subjectCombined-mode tripsen_US
dc.subjectMulti-layer networken_US
dc.subjectMulti-modal network equilibriumen_US
dc.subjectVariational inequalityen_US
dc.titleMulti-layer network approach for modeling general combined-mode tripsen_US
dc.typeConference Paperen_US
dcterms.abstractThis paper describes a multi-layer approach for modeling general combined-mode trips. The model formulation is based on an extended network framework, termed a multi-layer network. Two major problems arising from the specification of a multi-modal network equilibrium model are addressed, i.e. route (or path) enumeration and travel choice in a network with multiple transport modes. It is shown that the multi-layer network approach can facilitate the generation of feasible routes in a multi-modal setting. A feasible route in the multi-layer network is characterized by a combined mode, which indicates the feature of the used modes or mode combinations along the route. All feasible routes between each origin-destination (OD) pair are grouped, according to the combined modes of routes, into four subsets: auto, transit, auto-transit, and pure walking. The travel choice model is given by a nested logit model where the upper level is focused on combined-mode choice while the lower level on route choice. The multi-modal network equilibrium problem is mathematically formulated as a variational inequality (VI) problem. In addition, interactions among various motorized modes sharing the same road space, as well as nonlinear transit fare structures are taken into account in the multi-modal network equilibrium problem.-
dcterms.bibliographicCitationTransportation and the economy - Proceedings of the 10th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2005, 2005, p. 268-277-
dc.relation.ispartofbookTransportation and the Economy - Proceedings of the 10th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2005-
dc.description.ros2005-2006 > Academic research: refereed > Refereed conference paper-
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