Abstract
Due to imbalance of road capacity and traffic volume, so traffic congestion will be occurred either along the road and intersection. Demak Ijo intersection is one of signalized junction located in the western part of Yogyakarta with high traffic volume so traffic congestion is frequently occurred. The aim of this study is to analyze the performance of existing traffic condition and then estimate the congestion cost at signalized intersection by modeling (simulation) using Vissim 9. The analysis results show that existing traffic condition is in very bad condition (level F), average delay of 80 seconds, average queue length of 48.73 meters with congestion cost is about Rp. 2,830,336 per hour.
Highlights
Congestion is one of significant transportation problems in many urban roads in Indonesia
Mostly congestion will generate problems such as the reducing of vehicle speed that lead to the increasing of travel time, higher operating cost, and negative impact to the environment like air pollution produced by motorized vehicle
Since the speed of vehicle is slower so the travel time is longer and lead to the higher vehicle operating costs
Summary
Congestion is one of significant transportation problems in many urban roads in Indonesia. Mostly congestion will generate problems such as the reducing of vehicle speed that lead to the increasing of travel time, higher operating cost, and negative impact to the environment like air pollution produced by motorized vehicle. As stated by Stubs in Sugiyanto [1], the cost of congestion is a relationship between speed and flow on the road and the relationship of speed and vehicle operating cost. It means when the existing traffic flow is increased the average traffic speed will decrease. Since the speed of vehicle is slower so the travel time is longer and lead to the higher vehicle operating costs
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