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Title: Combining traffic simulation with bayesian networks for improved quantification of accident risk index
Authors: Michail, Harris 
Mouskos, Kyriacos C. 
Gregoriades, Andreas 
Keywords: Traffic safety;Traffic flow;Information management;Computer simulation;Accidents--Prevention
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 2012
Publisher: SCS
Source: (2012) Proceedings of the 2012 - Summer Computer Simulation Conference, SCSC 2012, Part of SummerSim 2012 Multiconference, vol. 44, no.10, pp. 97-105
Conference: Summer Computer Simulation Conference 
Abstract: Traffic phenomena are characterized by complexity and uncertainty, hence require sophisticated information management to identify patterns relevant to safety and reliability. Traffic simulation methods have emerged with the aim to evaluate traffic congestion and improve road safety. However, assessment of traffic safety and congestion requires significant amount of data which in most cases is not available. This work illustrates an approach that aims to alleviate this problem through the integration of two mature technologies namely, simulation-based Dynamic Traffic Assignment (DTA) and Bayesian Belief Networks (BN). The former generates traffic flow data, utilised by a BN model that quantifies accident risk. Traffic flow data is used to assess the accident risk index per road section and hence, escape from the limitation of traditional approaches that use only accident frequencies to quantify accident risk. The development of the BN model combines historical accident records obtained from the Cyprus police and data generated from the DTA simulation.
ISBN: 978-161839984-7
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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