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Highway traffic safety is an important field in transportation engineering. Highway intersections are nodes of road networks and accident-prone locations. These are places where vehicles coming from different directions, moving in different directions, interact and conflict with each other. Due to conflicts from all users, more traffic accidents can occur at unsignalized intersections than on other road segments. This study evaluates the effects of intersections on traffic flow and safety. The assessment was based on data collected at three unsignalized intersections on Jalan Kluang. Data on traffic volume, traffic conflicts, and delays were collected using a video camera and stopwatch during the start of monitoring in the morning rush hour and evening rush hour. Data collected includes traffic volume, traffic conflicts, and delays. The level of service (LOS) values for the intersections for this study was D. The developed model shows that the incremental increase in traffic conflicts can be represented by a negative exponential trend concerning the volume of approaching traffic. This negative exponential model shows a better explanation than other models. Therefore, this study was able to correlate the parameters that were determined by the characteristics of the studied non-signal intersections.
- et al. (Tue,) studied this question.
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