The additional measures for road safety improving on T-shaped intersection with X-shaped one in Kryvyi Rih were introduced in the article. The research object is a road traffic congestion of uncontrolled intersection with main and minor roads. The aim of the study is to determine problem and areas unsafe for vehicle and pedestrian traffic. The part of the road under study consists of T- and X-intersections that may cause the following problems: traffic intensity exceeds the intersection capacity, both drivers and pedestrians violate traffic rules, warning signs are absent or improperly arranged. Visual observation and simulation modelling were used in the study. The developed simulation model of the intersection in microscopic flow simulation software PTV VISSIM taking into account field data of vehicle and pedestrian flows densities indicators is seen scientific value. Based on the simulation it was determined that an impressive traffic queue take place from Ivan Avramenko St. to Cosmonauts St. with the direction changing to the opposite and left-turning streams from Cosmonauts St. to Ivan Avramenko St. The results of intersection simulation shows a congestion of 11 vehicles on average that increases vehicles' passing time for this part of the road. Also, there is no safe access to the bus stop. On the basis of the obtained data on the passing time and the congestion length additional measures for increasing safety are suggested that consist in establishing an uncontrolled crosswalk to provide safe access to the bus stop, developing the project to remove the starting bus stop onto the minor road and widening the unsafe part of the road.

 Наукова періодика України 

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