[1] Chen Yongheng, Li Wanning, Wu Changjian, Li Haonan, et al. Method of the left-turning bus priority at intersectionsbased on a variable lane [J]. Journal of Southeast University (English Edition), 2022, 38 (2): 195-202. [doi:10.3969/j.issn.1003-7985.2022.02.012]
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Method of the left-turning bus priority at intersectionsbased on a variable lane(
)
基于动态车道的交叉口公交左转优先方法
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 38
- Issue:
- 2022 2
- Page:
- 195-202
- Research Field:
- Traffic and Transportation Engineering
- Publishing date:
- 2022-06-20
Info
- Title:
- Method of the left-turning bus priority at intersectionsbased on a variable lane
- 基于动态车道的交叉口公交左转优先方法
- Author(s):
- Chen Yongheng; Li Wanning; Wu Changjian; Li Haonan
- College of Traffic and Transportation, Jilin University, Changchun 130022, China
- Keywords:
- traffic engineering; bus priority; dynamic lane; pre-signal; cumulative curve
- PACS:
- U491.3
- DOI:
- 10.3969/j.issn.1003-7985.2022.02.012
- Abstract:
- To reduce the delay of left-turning buses and improve the traffic efficiency at signalized intersections, a novel variable bus approach lane(VBAL)control method based on bus pre-signals is proposed. This method combines the variable lane with the bus priority pre-signal, and realizes the left-turning bus priority without causing great impact on other vehicles. To validate the effectiveness of the method, the VBAL scheme was compared with the single left-turn lane scheme(SLTL)and the double left-turn lane scheme(DLTL). On this basis, the delay change calculation model of left-turning buses and through vehicles were established by the cumulative curve graphic method. The influence of vehicle proportion and green split on the model was studied through sensitivity analysis. The results show that VBAL can reduce the delay of left-turning bus and the increase of through vehicle delay to the greatest extent. Finally, the scheme was applied to a real-world intersection, and the results demonstrate the effectiveness and advantage of the VBAL scheme.
- 为减少左转公交延误, 提高交叉口通行效率, 提出了一种基于公交预信号的可变公交车道控制方法(VBAL).该方法将可变车道与公交优先预信号相结合, 在不对其他车辆造成较大影响的基础上, 实现了左转公交的优先通行.给出了VBAL的渠化及控制方法, 为验证该方法的有效性, 将VBAL方案与单左转车道方案(SLTL)和双左转车道方案(DLTL)进行了比较.在此基础上, 利用累计曲线图示法建立了左转公交和直行车辆的延误变化计算模型.通过灵敏度分析研究了车辆比例及绿信比对模型的影响.结果表明, VBAL方案能够在降低左转公交延误的同时, 最大程度地减少直行车辆延误的增加.利用VISSIM将该方案应用于实际路口, 结果证实了VBAL方案的有效性和优越性.
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Memo
- Memo:
-
Biography: Chen Yongheng(1978—), male, doctor, professor, cyh@jlu.edu.cn.
Foundation items: National Key R&D Program of China(No. 2019YFB1600501), Scientific and Technological Developing Project of Jilin Province(No. 20190201107JC).
Citation: Chen Yongheng, Li Wanning, Wu Changjian, et al.Method of the left-turning bus priority at intersections based on a variable lane[J].Journal of Southeast University(English Edition), 2022, 38(2):195-202.DOI:10.3969/j.issn.1003-7985.2022.02.012.