Macroscopic models that can be used to estimate the delay at signalized intersections caused by downstream traffic disturbances, such as queues in closely spaced settings, are presented. The models use basic traffic flow properties and control parameters at neighboring intersections. The models are applied to a hypothetical two-signal system. The results show that the delay caused by downstream disturbances can be significant and therefore must be included in level-of-service and capacity analyses. The results also show that control parameters, such as offsets and green splits at upstream and downstream approaches, play key roles in reducing delay. Validation by the use of microscopic traffic simulation shows close agreement between the delay estimates from the proposed models and that from the microscopic simulation model.
Modeling of Delay Induced by Downstream Traffic Disturbances at Signalized Intersections
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 1920 , 1 ; 106-117
2005-01-01
Article (Journal)
Electronic Resource
English
Modeling of Delay Induced by Downstream Traffic Disturbances at Signalized Intersections
Transportation Research Record | 2005
|Modeling of Delay Induced by Downstream Traffic Disturbances at Signalized Intersections
British Library Conference Proceedings | 2005
|Modeling of Delay Induced by Downstream Traffic Disturbances at Signalized Intersections
Online Contents | 2005
|British Library Online Contents | 2013
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