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KONRAD-ZUSE-ZENTRUM
FÜR INFORMATIONSTECHNIK
BERLIN

Matheon-B15: Service Design in Public Transport

Service design in public transport deals with network design, line planning, timetabling, and fare planning. These problems can be dealt with using mathematical methods. We have developed such approaches in the first two Matheon funding periods. The model for timetabling is based on a periodic event scheduling problem and was applied at the Berliner Verkehrsbetrieb and at the Verkehrsbetrieb in Potsdam.


For the optimization of fares we used a discrete choice model which integrates a utility function of the passengers. Such a model can be used to compare different fare systems in respect of number of attracted passengers, profit or revenue.


The line planning model integrates line planning and passenger routing and uses a column generation approach. In a project together with the Verkehrsbetrieb in Potsdam (ViP) we used this optimization model to support the design of a new line plan for Potsdam for 2010. We could show that all requirements relevant for practice concerning the public transport company ViP can be integrated in the mathematical model.



Linienplan Nachfrage
line plan for Potsdam demand with respect to prices


A major challenge in service design optimization is the consideration of passenger behavior. The level of service decides whether passengers are attracted to this system or not. Understanding and controlling the interplay between service design and passenger behavior is therefore a main goal in service planning. We will investigate these aspects in the combinatorial context of line planning.


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06/2006 - 05/2014