A model for estimating the capacity and the delay at signalized intersections is presented. With the modeling of a signalized intersection as a queuing system, the capacity can be estimated by the measuring of the cycle overflow probability at stop line detectors. On the basis of a given queuing model, the stochastic characteristics, that is, the randomness of the queuing system at a signalized intersection, can be estimated as well. Then, the delays and the queuing lengths can be obtained with the estimated parameters. The results of the presented model are underlined by a comprehensive sensitivity analysis. Furthermore, a Vissim simulation study was conducted to demonstrate the capability of the model, and the model was tested on the basis of field measurement data.
Relationship Between Cycle Overflow Probability and Capacity at Signalized Intersections: Application for Delay Estimation
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 2615 , 1 ; 140-147
01.01.2017
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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