Abstract The dynamic network microsimulation framework DRACULA (Dynamic Route Assignment Combining User Learning and microsimulation) has been developedat the University of Leeds, UK since 1993. It was developed as a tool to investigate the dynamics between demand and supply interactions in road networks. The emphasis is therefore on the integrated microsimulation of individual trip makers’ decisions, travel experiences, and learning. This is represented through a microscopic dynamic traffic assignment model based on the explicit modelling of individuals’ day-to-day route and departure time choices and how their past experience and knowledge of the network influence their future choices. Coupled with that is a detailed within-day traffic microsimulation based on car-following and lane-changing rules. This chapterprovides an updated overview on the main functions of DRACULA model. The recent focus of our research on the issues of model calibration and validation is discussed. Some of the extended features of the software, on modelling the overtaking behaviour on two-lane rural roads and the fully integration with a microscopic model of public transport operations and demand, are represented.


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