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Title: Modeling an Integrated Public Transportation System - a case study in Dublin, Ireland
Authors: Shrivastava, Prabhat
O'Mahony, Margaret
Keywords: Coordinated schedulesGenetic algorithmsModal integrationOptimizationPublic transportationRouting and scheduling
Issue Date: 2009
Publisher: EUT Edizioni Università di Trieste
ISTIEE Istituto per lo studio dei trasporti nell’integrazione economica europea
Source: Prabhat Shrivastava, Margaret O'Mahony, "Modeling an Integrated Public Transportation System - a case study in Dublin, Ireland", in: European Transport / Trasporti Europei, XIV (2009) 41, pp. 28-46.
Series/Report no.: European Transport / Trasporti Europei
XIV (2009) 41
The efficiency of the public transport system in any city depends on integration of its major public
transport modes. Suburban railway and public buses are the modes normally used by the majority of
commuters in metropolitan cities of developed and developing countries. Integration of these two services
reduces overall journey time of an individual. In this research, a model is developed for operational
integration of suburban trains and public buses. The model has two sub models: a Routing Sub Model and
a Scheduling Sub Model. In the Routing Sub Model, feeder routes are generated for public buses which
originate from a railway station. A Heuristic Feeder Route Generation Algorithm is developed for
generation of feeder routes. In the Scheduling Sub Model, optimal coordinated schedules for feeder buses
are developed for the given schedules of suburban trains. As a case study the Dun Laoghaire DART
(Dublin Area Rapid Transit) (heavy rail suburban service) station of Dublin in Ireland is selected. Feeder
bus services are coordinated with existing schedules of the DART on the developed feeder route network.
Genetic Algorithms, which are known to be a robust optimization technique for this type of problem, are
used in the Scheduling Sub Model. Finally the outcome of the research is a generated feeder route
network and coordinated services of feeder buses on it for the DART station.
Type: Article
ISSN: 1825-3997
Appears in Collections:European Transport / Trasporti Europei (2009) 41/XIV

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