Electrical Engineering and Systems Science > Systems and Control
[Submitted on 2 Aug 2021 (v1), last revised 28 Jul 2022 (this version, v2)]
Title:Estimation of road traffic state at a multi-lanes controlled junction
View PDFAbstract:We present in this paper a method for the estimation of traffic state at road junctions controlled with traffic lights. We assume mixed traffic where a proportion of vehicles are equipped with communication resources. The estimation of road traffic state uses information given by communicating vehicles. The method we propose is built upon a previously published method which was applied to estimate the traffic in the case where roads are composed of two lanes. In this paper, we consider the case where roads are composed of three lanes and we show that this solution can address the general case, where roads are composed of any number of lanes. We assume the geometry of the road junction is known, as well as its connections between incoming and outgoing lanes and roads. Using the location data provided by the communicating vehicles, first, we estimate some primary parameters including the penetration ratio of the probe vehicles, as well as the arrival rates of vehicles (equipped and non-equipped) per lane by introducing the assignment onto the lanes. Second, we give estimations of the queue length of the 3-lanes road, without and with the additional information provided by the location of the communicating vehicles in the queue. We illustrate and discuss the proposed model with numerical simulations.
Submission history
From: Cyril Nguyen Van Phu [view email][v1] Mon, 2 Aug 2021 11:49:10 UTC (118 KB)
[v2] Thu, 28 Jul 2022 13:17:01 UTC (558 KB)
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