KEYWORDS: Decision support systems, Modeling, Roads, Safety, 3D modeling, Data modeling, Mathematical optimization, Data storage, Industry, Decision making
To solve the problems of increasing the environmental safety of the motor transport complex, this article proposes to use a decision support system, the intellectual center of which is a simulation model (virtual twin) of an emergency-hazardous section of the road network. An analysis of the traffic situation in an emergency-prone area of a large industrial center with a population of more than 500 thousand residents was carried out. To improve environmental safety parameters, it is proposed to use the microscopic simulation method. A 3D model of this section was built using GIS technologies based on a discrete event approach using a traffic library. The developed model was validated and virtual experiments were carried out. High model validity indicators indicate the correctness of the results of virtual experiments. Measures for the reconstruction of this site have been proposed, throughput and environmental safety indicators have been calculated, and the optimal option has been selected.
The article presents the results of using microscopic simulation modeling to improve the operation of road infrastructure and optimize the phases of traffic light regulation on an emergency-prone section of a highway in a city with a population of more than 500 thousand people. Based on the results of field studies, a simulation model of this site was built. Using statistical criteria, the high validity of the developed computer model was confirmed, which ensures the reliability of the results obtained. In the process of multiple virtual experiments, the optimal mode of operation of the traffic light was determined, which ensures a reduction in travel time, an increase in the throughput of the analyzed section of the road, as well as a reduction in emissions of pollutants from vehicle exhaust gases.
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