Comparing and Evaluating Types of RCUT Intersection using Traffic Simulation

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Mohammadi Samaneh; Abdi Kordani Ali; Moradi Farzad

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Journal Paper

Paper Information

Journal: JOURNAL OF TRANSPORTATION INFRASTRUCTURE ENGINEERING (JTIE) Year:2024 | Volume:10 | Issue:3 Page(s): 88-110

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Information Journal Paper

Title

Comparing and Evaluating Types of RCUT Intersection using Traffic Simulation

Author(s)

Mohammadi Samaneh | Abdi Kordani Ali | Moradi Farzad | Issue Writer Certificate

Keywords

Simulation

RCUT intersection

u-turn

VISSIM

Abstract

The purpose of this study is how the RCUT intersection works in different traffic volumes. To evaluate the intersection, the volume to capacity ratio of 0.9, 0.6, and 0.4 was used to check the performance of the intersection during peak hours. Also, with the aim of choosing the best type of the intersection, changes in the geometric design of the intersection were made and evaluated. Nine scenarios were experienced in four main designs to evaluate all intersection types. These designs include the RCUT intersection, two-lane roundabout, reduced intersection light timing, and dog-bone roundabout. Then, VISSIM software was used to simulate these scenarios and the results of the obtained parameters such as queue length, delay, level of service, number of the vehicle stops and the percentage of pollutants of all scenarios were compared with each other using the multi-criteria decision-making method. Results indicate that the best scenarios included increasing the median width from 7.5 m to 11 m, increasing the median width in the roundabout from 7.5 m to 11.3 m, and increasing the distance of the roundabout from the intersection from 137 m to 183 m, which caused the queue length to decrease by more than 50%. There has been a reduction in delays and stoppages by nearly 20% and associated with pollutants and fuel by nearly 5%. At the end, using the multi-criteria decision-making method, the best scenario, and reducing the optimization of timing of the lights was determined. In this scenario, the queue length results were 50% less than other designs, the level of service was one level higher, and a 25% reduction in delay and stoppages was observed.

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