Maroti, G.

train timetable model passenger station railway stock number problem solution process system disruption delay objective instance event constraint optimization train units operation section capacity composition research result figure disturbance network planning cyclic shunting schedule realization value change paper maintenance approach inventory example punctuality optimization model management order variable decision function kroon infrastructure time supplements arrival departure group table route graph supplement cyclic timetable netherland event times simulation service type t horizon process p operator transportation ns reizigers length passenger fl ow minute input plan circulation timetabling transition time supplement rotterdam algorithm trip t