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Mixed Traffic Flow Signal Timing Optimization Method Considering E-Bike Expansion Influence
| 题名： | Mixed Traffic Flow Signal Timing Optimization Method Considering E-Bike Expansion Influence |
| 正文语种： | eng |
| 作者： | Gao, Yuhong;Qu, Zhaowei;Jiang, Jingling;Song, Xianmin;Xia, Yingji |
| 作者单位： | Jilin Univ Sch Transportat Changchun 130022 Jilin Peoples R China;Jilin Univ Sch Transportat Changchun 130022 Jilin Peoples R China;China Acad Transportat Sci Beijing 100029 Peoples R China;Jilin Univ Sch Transportat Changchun 130022 Jilin Peoples R China;Jilin Univ Sch Transportat Changchun 130022 Jilin Peoples R China |
| 摘要： | The increase in e-bikes has aggravated traffic conflicts and casualties at intersections. However, existing signal control methods focus on motor vehicles, ignoring the influence of expansion behavior of e-bikes on motor vehicles. In order to better balance the traffic benefits between them, this paper proposes a new release mode named e-bike early green and establishes a signal timing model of mixed traffic flow considering e-bike early green (MTEG). In particular, an effect strength indictor that reflects the degree of influence of e-bikes on motor vehicles is put forward. Then, based on this indicator and e-bike ratio, the calculation model for e-bike early green time is built. The Nondominated Sorting Genetic Algorithm II is applied to solve the MTEG model that considers multi-objective optimization coordination. The results show that, when the e-bike ratio is in the range of 0.4-0.6, compared with the method proposed by the Transport and Road Research Laboratory (TRRL), the method proposed by the Australian Road Research Board (ARRB), and Improved-Webster method, the maximum improvement values of the MTEG method in cycle length, average vehicle delay, intersection capacity, and average stops per vehicle are -5.56%, -22.04%, +2.30%, and -8.00%, respectively. The outcomes provide a signal timing basis and technical support for a mixed traffic flow environment containing numerous e-bikes. (C) 2020 American Society of Civil Engineers. |
| 出版年： | 2021 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 147 |
| 期： | 2 |
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