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Title: Traffic incident management location model under degradable stochastic network
Authors: Luathep, P
Sumalee, A 
Lam, WHK 
Keywords: Traffic incident management location
Critical link identification
Stochastic road network
Issue Date: 2011
Publisher: Asian transport studies
Source: Asian transport studies, 2011, v. 1, no. 2, p. 214-230 How to cite?
Journal: Asian transport studies 
Abstract: This paper applies the concept of price of anarchy to define a new index, namely, traffic incident management ratio (TIMR) for identifying appropriate roads to be installed with traffic incident management program (TIMP). TIMR is defined as the ratio between the expected total travel costs of the degradable transport networks without and with TIMP. The paper assumes user equilibrium (UE) represents the degradable network without TIMP, whereas the social optimum (SO) characterizes the degradable network with TIMP. The traffic incident management location (TIML) model is then proposed for assessing the critical value of link capacity degradation on each link (i.e. road segment) and identifying the critical links for an installation of TIMP. The critical links for the TIMP are ranked by the critical values of capacity degradations, which maximize the TIMR. The proposed model and solution algorithm were tested using two networks to illustrate the application of the proposed model.
EISSN: 2185-5560
DOI: 10.11175/eastsats.1.214
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