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Arterial Signal Coordination Considering the Impacts of Left-Turn Waiting Areas
| 题名： | Arterial Signal Coordination Considering the Impacts of Left-Turn Waiting Areas |
| 正文语种： | eng |
| 作者： | Daobin Wang;Panpan Du;Guangchuan Yang |
| 作者单位： | School of Automobile and Traffic Engineering Wuhan Univ. of Science and Technology 947 Heping Ave. Qingshan District Wuhan Hubei 430081 PR China;School of Automobile and Traffic Engineering Wuhan Univ. of Science and Technology 947 Heping Ave. Qingshan District Wuhan Hubei 430081 PR China;Institute of Transportation Research and Education North Carolina State Univ. Centennial Campus Box 8601 Raleigh NC 27695-8601 |
| 关键词： | Signalized intersection; Left-turn waiting area (LTWA); Arterial signal coordination; MAXBAND; Traffic simulation |
| 摘要： | The left-turn waiting area (LTWA) has been commonly used in many signalized intersections to increase the capacity of left-turn movements. However, LTWAs may negatively affect the performance of arterial signal coordination because the lag-lag left-turn phase sequence turns out to be the only feasible left-turn treatment to accommodate the presence of LTWAs. To investigate the effects of LTWAs on arterial signal coordination, this paper proposes an analytical model based on the classic MAXBAND algorithm to quantify the gaps between the actual bandwidth and the maximum possible bandwidth. The model can further identify the applicable signal timing condition of LTWAs in an arterial signal system. A case study of a signalized arterial with LTWAs in Wuhan City was conducted to verify the effectiveness of the proposed method. Results showed that the signal timing parameters obtained from the proposed model resulted in a shorter queue length, a lower delay, and a smaller number of stops when the lag-lag phase sequence was adopted in comparison with the other phase sequences. |
| 出版年： | 2023 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 149 |
| 期： | 10 |
| 页码： | 04023103.1-04023103.12 |
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