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Capacity Modeling and Control Optimization for a Two-Lane Highway Lane-Closure Work Zone
| 题名： | Capacity Modeling and Control Optimization for a Two-Lane Highway Lane-Closure Work Zone |
| 其他题名： | Arguea,D.F.(2006)."Simulation-based approach to estimate the capacity of a temporary freeway work zone lane closure."Ph.D.dissertation,Univ.of Florida,Gainesville,FL. |
| 正文语种： | 英文 |
| 作者： | Wenbo Zhu |
| 关键词： | mathematical；optimization；control；traffic；signal；section；simulation；reasonable；lane；microsim |
| 摘要： | A two-lane highway lane-closure work zone is a unique work-zone type because of its traffic impact. When one lane of traffic is blocked, it is necessary to implement a traffic control strategy to effectively serve bidirectional traffic. In the sense that the right of way is allocated between two directions sequentially, traffic control at two-lane highway work zones is similar to signalized intersection traffic control. In order to analyze the problem, this study proposes two primary methodologies: (1) mathematical capacity and delay functions based on signalized intersection theory, and (2) a microsimulation model calibrated using field observed data. After fine-tuning the parameters, the mathematical functions were able to estimate delays with reasonable accuracy. The models developed in this study were applied in the optimization of a two-lane highway lane-closure work-zone control management plan. The resultant delay-capacity diagrams indicate that for pretimed control, roadway capacity should be maintained at a slightly higher level than the traffic demand, whereas the dynamic traffic control scheme is able to achieve lower delay results than the optimal pretimed signal control. |
| 出版年： | 2017 |
| 论文唯一标识： | P-72Y2017V143N12003 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/JTEPBS.0000078 |
| 期刊名称： | Journal of Transportation Engineering |
| 拼音刊名(出版物代码)： | P-72 |
| 卷： | 143 |
| 期： | 12 |
| 页码： | 2-10 |
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