Exploring the impact of signal types and adjacent vehicles on drivers’ choices after the onset of yellow

Ji Bao, Qun Chen, Dandan Luo, Yuli Wu and Zuli Liang

Physica A: Statistical Mechanics and its Applications, 2018, vol. 500, issue C, 222-236

Abstract: Drivers’ choices at signalized intersections may be made in great uncertainty after the onset of yellow, which creates potential hazards for road safety. These choices are analyzed and modeled based on field observations at three comparable signalized intersections in Changsha, China. The results show that intersections without monitoring devices widen the indecision zone, which can increase the risk of rear-end collisions and the uncertainty of drivers’ decision-making. In addition, drivers are more likely to stop during the yellow interval at intersections equipped with a green signal countdown device (GSCD) than at those with a green signal flashing device (GSFD). Subsequently, according to the results of a binary logistic regression model (BLRM), drivers’ decision making at the onset of the yellow indication is greatly influenced by the vehicle’s spot speed, the distance to the stop line, and signal and monitoring devices. The presence of an adjacent vehicle with a short space headway can particularly motivate the following driver to make a go-decision after the first driver chooses to pass the intersection. However, a stop-decision by a driver in an adjacent lane can also prompt the following driver to stop.

Keywords: Onset of yellow; Choice; Indecision zone; Signal type; Adjacent vehicle (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:500:y:2018:i:c:p:222-236

DOI: 10.1016/j.physa.2018.02.066

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