Setting Conditions of U-turns at Entrances of Signalized Intersections

doi:10.16182/j.issn1004731x.joss.201811045

Journal of System Simulation ›› 2018, Vol. 30 ›› Issue (11): 4429-4436.doi: 10.16182/j.issn1004731x.joss.201811045

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Setting Conditions of U-turns at Entrances of Signalized Intersections

Shao Haipeng¹, Wang Yuxuan¹, Chen Xingying¹, Zheng Binbin²

1.School of Highway, Chang’an University, X'an 710064, China;
2.Comprehensive Institute, Huizhou Road and Bridge Survey and Design Institute, Huizhou 516000, China

Received:2018-05-20 Revised:2018-06-20 Published:2019-01-04
About author:Shao Haipeng(1978-), male, Xuzhou, PhD, Associate Professor, research direction for traffic design.
Supported by:
Fundamental Research Funds for Central Universities and Colleges (300102218409), Technical innovation Funding of China Academy of Urban Planning & Design (C-201728)

Abstract

Abstract: There is a demand for U-turn at intersections of signal controlled intersections. The U-turn conditions required for U-turn vehicles vary with different road and traffic conditions. To determine the appropriate U-turn design conditions at the entrance of the signalized intersection so that vehicles can pass safely and orderly, based on the simulation of the U-turn behavior of the vehicle, the characteristics of the vehicle trajectory are analyzed and a U-turn space discriminant model is established. Based on the theoretical model of vehicle queuing and lane change at signalized intersections, a calculation model for the U-turn setting position is established. Examples are chosen to verify the above two models. The results demonstrate that the models have high precision and the calculation methods are feasible.

Key words: traffic design, U-turn setting conditions, queuing theory, lane changing theory, simulation modeling

CLC Number:

U491.2

Shao Haipeng, Wang Yuxuan, Chen Xingying, Zheng Binbin. Setting Conditions of U-turns at Entrances of Signalized Intersections[J]. Journal of System Simulation, 2018, 30(11): 4429-4436.

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Setting Conditions of U-turns at Entrances of Signalized Intersections

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