Abstract

In this paper, the risk evaluation model for traffic accident at signalized intersections is developed for two type of angle accident, which are an accident between through vehicles from different crossing legs and an accident between trough vehicle and turn oriented vehicle. The parameters of the model are estimated from various data of 190 intersections in Tokyo and the result are plotted on the map in GIS (Geographical Information Systems). Implementation of GIS using existing risk model reveals some important characteristics about angle accident such as high-risk accident intersection lied along the ring road or national highways.

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