Stochastic User Equilibrium Assignment Adopting Expressway Diversion Function

Abstract

To estimate traffic assignment for urban road network including expressways, we propose a utility model which the stochastic user equilibrium assignment model adopts a diversion function that determines the ratio of traffic demand passing expressways between each OD pair (expressway diversion function). Furthermore, this model is applied to a real-scale road network in Nagoya metropolitan city, the results show good accuracy and it is clear that the diversity of path choice on highway and freeway network.