3.2 Simulation Approach
Choice Dimensions For the mental layer within MATSim which describes the behavioral learning
of agents, a simple utility based approach is used in this paper. When choosing between dierent
options with respect to a multinomial logit model, agents are allowed to adjust their behavior
among two choice dimensions: route choice and mode choice. The former allows individuals
to adapt their routes on the road network when going by car. The latter makes it possible to
change the transport mode for a sub-tour (see Appendix) within the agent's daily plan. Only a
switch from car to public transport or the other way around is possible. Trips that are initially
done by any other mode remain xed within the learning cycle. From a research point of view,
this approach can be seen as dening a system where public transport is a placeholder for all
substitutes of the car mode