Analysis of Behavior Characteristics for Pedestrian Twice-Crossing at Signalized Intersections Based on an Improved Social Force Model

Yongqing Guo, Siyuan Ma, Fulu Wei, Liqun Lu, Feng Sun and Jie Wang
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Yongqing Guo: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Siyuan Ma: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Fulu Wei: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Liqun Lu: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Feng Sun: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China
Jie Wang: School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China

Sustainability, 2022, vol. 14, issue 4, 1-17

Abstract: At urban signalized intersections, pedestrian twice-crossing is usually viewed as a complex human behavior, since there are many factors influencing it. Mostly, pedestrians engage in a complicated cognitive process of perception, attention and decision-making. Therefore, it is necessary to identify the major factors affecting this behavior, and develop an effective pedestrian dynamic model, in order to increase the safety and efficiency of crossing streets. This study proposes a force-based model of pedestrian dynamics by improving the classic social force model, in order to determine the influencing factors and quantify the forces acting on pedestrians crossing in two stages at signalized intersections. Through analyzing the characteristics of pedestrian twice-crossing behavior, the social force model was enhanced by providing a new component of the green signal countdown. The improved model includes four parts of the self-driving force in the ideal state, the repulsive and attractive forces generated by surrounding pedestrians, the resistance of the crosswalk boundary line, and the force produced by the green signal countdown. Each part was considered with qualitative analysis and quantitative calculation. The results show that the proposed model can achieve high accuracy in measuring the forces acting on pedestrian twice-crossing. The findings of this study have great implications for designing pedestrian facilities and optimizing pedestrian signal timings, helping thus to increase the mobility and safety of pedestrian twice-crossing.

Keywords: pedestrian twice-crossing; force-based modeling for pedestrian dynamics; improved social force model; game theory (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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