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A real-time signal control strategy for mitigating the impact of bus stops at urban signalized intersections
| 题名： | A real-time signal control strategy for mitigating the impact of bus stops at urban signalized intersections |
| 其他题名： | Christofa,E.,Ampountolas,K.,&Skabardonis,A.(2016).Arterial traffic signal optimization:A person-based approach.Transportation Research Part C:Emerging Technologies,66,27–47. |
| 正文语种： | 英文 |
| 作者： | Celeste Chavis |
| 关键词： | bus stops;kinematic wave theory;real-time signal control;signalized intersection capacity |
| 摘要： | Buses stopping at transit stops reduce the capacity of signalized intersections,which can lead to excessive delays for all users. In order to avoid such phenomena, signal control strategies can be utilized. This article presents a real-time signal control strategy to mitigate the impact of bus stop operations on traffic operations along an undersaturated approach. The objective of the proposed strategy is to ensure that any residual queues due to a bus stopping are fully dissipated as soon as possible by increasing the green time for the bus stop approach as soon as the bus departs. In addition, this strategy ensures that the cross-street approaches do not become oversaturated. Kinematic wave theory is utilized to track the formation and dissipation of queues and determine the green extension (or red truncation) for the subject approach. The benefits achieved from the proposed strategy are illustrated through simulation tests at a single intersection for a variety of bus stop and bus operation characteristics. Average delay and average queue length for the bus stop and cross-street approaches, as well as for the whole intersection, are used to assess the performance of the strategy. The tests performed indicate that the signal control strategy can achieve substantial reductions in delay for the bus stop approaches and the intersection as a whole without adversely affecting the cross street operations, when the demand at those cross streets is low. |
| 出版年： | 2017 |
| 论文唯一标识： | J-96Y2017V21N05001 |
| 英文栏目名称： | Articles |
| 期刊名称： | Journal of Intelligent Transportation Systems Technology Planning and Operations |
| 拼音刊名(出版物代码)： | J-96 |
| 卷： | 21 |
| 期： | 05 |
| 页码： | 349-363 |
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