动态公交专用道的设置及其仿真分析评价

doi:10.13229/j.cnki.jdxbgxb20190410

Abstract

Abstract:

This paper proposes a new type of dynamic bus lane, which not only ensures the bus priority strategy, but also significantly improves the spatial-temporal utilization of road resources, and reduces the conflict of demand between buses and social vehicles on road resource. The paper analyzes the difference of bus arrival time and proposes the determination method of dynamic lane clear distance and lane control flow based on the dissipation process of queue at intersection. Combined with HCM2010 vehicle delay formula and BPR function, the model of vehicle average travel time and per capita travel time under different road conditions is established. Through the numerical simulation, the operational benefits of three lane organization schemes, including without bus lanes, conventional bus lanes and dynamic bus lanes, were compared and analyzed. The experimental results indicate that the time benefit of setting dynamic bus lanes is better when social flow is less than 2268 pcu/h. The study provides theoretical support for rational optimization of bus lanes.

Key words: engineering of communications and transportation system, dynamic bus lane, bus priority, clear distance

CLC Number:

U491

Xian-min SONG,Ming-ye ZHANG,Zhen-jian LI,Xin WANG,Ya-nan ZHANG. Setting of dynamic bus lane and its simulation analysis and evaluation[J].Journal of Jilin University(Engineering and Technology Edition), 2020, 50(5): 1677-1686.

Figures/Tables 8

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References 13

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