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Development of a Progression-Based Signal-Timing Strategy for Continuous-Flow Intersections
| 题名： | Development of a Progression-Based Signal-Timing Strategy for Continuous-Flow Intersections |
| 正文语种： | eng |
| 作者： | Qu, Wenrui;Liu, Shaojie;Zhao, Qun;Qi, Yi |
| 作者单位： | Qilu Univ Technol Shandong Acad Sci Univ Rd 3501 Jinan Shandong Peoples R China;Texas Southern Univ Dept Transportat Studies 3100 Cleburne St Houston TX 77004 USA;Texas Southern Univ Dept Transportat Studies 3100 Cleburne St Houston TX 77004 USA;Texas Southern Univ Dept Transportat Studies 3100 Cleburne St Houston TX 77004 USA |
| 关键词： | Continuous-flow intersection (CFI);Signal timing;Traffic progression;Microscopic simulation |
| 摘要： | Because continuous-flow intersections (CFIs) are a relatively new intersection design, there are few existing guidelines for designing signal timings for CFIs. An appropriate signal-timing plan will maximize the capacity of the intersection, reduce congestion, and improve safety. This research developed a new signal-timing strategy for CFIs that is based on traffic progression. This new CFI signal-timing strategy was evaluated by conducting traffic simulation-based experiments, and the results of the evaluation showed that it outperformed the signal-timing plan provided by a commonly used existing signal-timing optimization tool. The proposed signal-timing strategy can reduce average traffic delay by 24%, average vehicle travel time by 8.5%, and average queue length by 28.8% at the studied CFI. |
| 出版年： | 2021 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 147 |
| 期： | 3 |
| 页码： | 04021002.1-04021002.11 |
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