Performance Analysis of Unsignaled Intersections Using PTV VISSIM Software
DOI:
https://doi.org/10.71417/jitie.v1i2.8Keywords:
Traffic Congestion, Road Widening, PTV VISSIM, Traffic Simulation, Unsignalized IntersectionAbstract
Traffic congestion is a significant urban problem, often centered on inefficient intersections. This study aims to analyze the performance of the Malalayang Terminal Three Intersection in Manado, which is predicted to experience an increase in traffic volume due to development in the surrounding area. Using a quantitative approach through a case study, this study utilizes microscopic simulation with PTV VISSIM software. Primary data collection was conducted through a three-day field survey (Monday, Wednesday, and Saturday), while secondary data was obtained from relevant literature. The simulation model was validated using Geoffrey E. Havers (GEH) statistics to ensure accuracy. The analysis results show that under existing conditions, the intersection has a level of service (LOS) of B with an average delay of 5.82 to 8.48 seconds and a queue length of 1.52 to 2.57 meters. The evaluation of the handling scenarios proves that widening the road from 7.8 meters to 10 meters is much more effective in improving intersection performance than implementing signal control. Widening the road reduced the average delay to 4.98 seconds and the queue to 0.35 meters, while signal control actually worsened traffic conditions. Thus, it can be concluded that widening the road is the most optimal solution to overcome traffic problems at this intersection.
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