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The Swedish National Road and Transport Research Institute (VTI)
Linköping University

BusMEZZO

Public transport systems are becoming increasingly complex with the incorporation of various modes, services, information and communication technologies and transit operation strategies. As a result, there is a growing need for a dynamic transit analysis and evaluation tool that represents time-tables, operation strategies, real-time information, passenger adaptive choices and traffic dynamics at the network-wide level. The developed transit model BusMezzo is implemented in a mesoscopic traffic simulation model, Mezzo, to enable a dynamic perspective when comparing various scenarios and representing complex interactions between system components. The dynamic model is designed to be a useful tool for planning, operations and evaluation of real-world transit networks, in particular in the context of Advanced Public Transport Systems (APTS).

The project is made up of two stages:

  • DYMOBUS I (2007-2009) The development and implementation of a transit simulation model that represent transit entities within the mixed-traffic framework. The project includes a demonstration and a validation study.
  • DYMOBUS II (2009-2011) The development of a transit passenger choice-set generation and path choice model. The model is estimated based on a survey and implemented within the simulation model. The model has been applied on various case studies in order to demonstrate its capabilities and evaluate operation strategies.

DYMOBUS I and II resulted in a PhD thesis "Dynamic Modelling of Transit Operations and Passenger Decisions"  by Oded Cats, who obtained a joint PhD degree from KTH and Technion Israel Institute of Technology.

Field trials of BusMezzo/Dymobus results