The purpose of this article is to briefly present the results of an attempt to find a more effective way of controlling traffic at the Rataje Roundabout in Poznań by changing the traffic light program. To this end, existing control program variants were examined, and two original traffic light programs (adapted to morning and afternoon hours) were proposed. The analyses were conducted via simulation using the VISSIM traffic microsimulation system. After analyzing the simulation results, it was found that the created traffic light programs were characterized by very good efficiency in handling vehicles waiting in queues, which in turn resulted in better roundabout capacity.Optimizing traffic organization at complex roundabout intersections is not a trivial task and poses a significant problem for traffic engineers. (…)
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Source: Logistyka Magazine
Traffic light optimization for a complex roundabout intersection – PDF file for download