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Title: Micro-simulation of vehicle conflicts involving right-turn vehicles at signalized intersections based on cellular automata
Authors: Chai, C.
Wong, Y. D.
Keywords: DRNTU::Engineering::Civil engineering::Transportation
Issue Date: 2013
Source: Chai, C., & Wong, Y.D. (2014). Micro-simulation of vehicle conflicts involving right-turn vehicles at signalized intersections based on cellular automata. Accident Analysis & Prevention, 63, 94-103.
Series/Report no.: Accident analysis & prevention
Abstract: At intersection, vehicles coming from different directions conflict with each other. Improper geometric design and signal settings at signalized intersection will increase occurrence of conflicts between road users and results in a reduction of the safety level. This study established a Cellular Automata (CA) model to simulate vehicular interactions involving right-turn vehicles (as similar to left-turn vehicles in U.S.). Through various simulation scenarios for four case cross-intersections, the relationships between conflict occurrences involving right-turn vehicles with traffic volume and right-turn movement control strategies are analyzed. Impacts of traffic volume, permissive right-turn compared to Red-Amber-Green (RAG) Arrow, shared straight-through and right-turn lane as well as signal setting are estimated from simulation results. The simulation model is found to be able to provide reasonable assessment of conflicts through comparison of existed simulation approach and observed accidents. Through the proposed approach, prediction models for occurrences and severity of vehicle conflicts can be developed for various geometric layouts and traffic control strategies.
ISSN: 0001-4575
DOI: 10.1016/j.aap.2013.10.023
Rights: © 2013 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Accident Analysis & Prevention, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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