Analysis of traffic congestion induced by the work zone

L. Fei, H.B. Zhu and X.L. Han

Physica A: Statistical Mechanics and its Applications, 2016, vol. 450, issue C, 497-505

Abstract: Based on the cellular automata model, a meticulous two-lane cellular automata model is proposed, in which the driving behavior difference and the difference of vehicles’ accelerations between the moving state and the starting state are taken into account. Furthermore the vehicles’ motion is refined by using the small cell of one meter long. Then accompanied by coming up with a traffic management measure, a two-lane highway traffic model containing a work zone is presented, in which the road is divided into normal area, merging area and work zone. The vehicles in different areas move forward according to different lane changing rules and position updating rules. After simulation it is found that when the density is small the cluster length in front of the work zone increases with the decrease of the merging probability. Then the suitable merging length and the appropriate speed limit value are recommended. The simulation result in the form of the speed–flow diagram is in good agreement with the empirical data. It indicates that the presented model is efficient and can partially reflect the real traffic. The results may be meaningful for traffic optimization and road construction management.

Keywords: Traffic flow; Work zone; CA model; Motion refinement; Traffic management measure (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:450:y:2016:i:c:p:497-505

DOI: 10.1016/j.physa.2016.01.036

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