Routing and scheduling Genetic Algorithms optimisation coordinated operations public transportation intermodal coordination
P. Shrivastava and M. O'Mahony, A model for development of optimised feeder routes and coordinated schedules: a genetic algorithms approach, Transport Policy, 13, (5), 2006, p413 - 425
Transport Policy 13 (5)
Many attempts have been made to solve bus route network design problems by splitting it in two stages,
one for routing and the other for scheduling. Some researchers have made attempts to solve network
design problems using non traditional optimization techniques also, but not much has been done on
modeling coordinated operations involving transfers from one mode to another. In this research, feeder
routes and frequencies leading to schedule coordination of feeder buses with main transit are developed
simultaneously using Genetic Algorithms. The coordinated schedules of feeder buses are determined for
the existing given schedules of main transit. Thus the developed feeder routes and schedules are
complementary to each other. As a case study the Dun Laoghaire DART (Dublin Area Rapid Transit)
(heavy rail suburban service) station of Dublin in Ireland is selected. Finally the outcome of the research
is a generated feeder route network for feeder buses and coordinated schedules of feeder buses for the
existing schedules of DART at the selected station. The results of the proposed model indicate improved
load factors on developed routes and also the overall load factor is also improved considerably as
compared to authors’ earlier model.
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