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Modeling the Pedestrian Delay at Signalized Intersections with Two-Stage Crossing: Considering Physical Queuing Length
| 题名： | Modeling the Pedestrian Delay at Signalized Intersections with Two-Stage Crossing: Considering Physical Queuing Length |
| 正文语种： | eng |
| 作者： | Weijie Chen;Feng Zhu;Xiaomeng Shi;Zhirui Ye |
| 作者单位： | School of Transportation Southeast Univ. 2 Southeast University Rd. Nanjing 210000 China;School of Civil and Environmental Engineering Nanyang Technological Univ. 50 Nanyang Ave. Singapore 639798 Singapore;School of Transportation Southeast Univ. 2 Southeast University Rd. Nanjing 210000 China;School of Transportation Southeast Univ. 2 Southeast University Rd. Nanjing 210000 China |
| 关键词： | Pedestrian delay; Two-stage crossing; Shock wave theory; Pedestrian queuing |
| 摘要： | An improved pedestrian delay model was proposed for signalized intersections with a two-stage crossing in this paper. This delay model considers the pedestrian physical queuing length when they are waiting on the curbside and the refuge island. It can significantly improve the estimation accuracy of the second-stage delay for pedestrians. The shock wave theory and a triangular-shaped fundamental diagram were used to model pedestrian queue formation and dissipation. The proposed model is presented in a general form for estimating the first-stage delay and second-stage delay classified in 12 different scenarios. The model was compared with the existing two-stage delay model by microscopic simulations with different signal settings and pedestrian volume settings. Results show our modified model is more accurate than the existing model under medium and high pedestrian arrival rates. |
| 出版年： | 2022 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 148 |
| 期： | 11 |
| 页码： | 04022099.1-04022099.13 |
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