Journal of Transportation Research

Journal of Transportation Research

Model for Estimating the Pedestrians Waiting Time at Signalized Urban Intersections

Document Type : Original Article

Authors
Alireza Naderi Lordejani 1
Aminmirza Boroujerdian 2
1 M.Sc., Grad., Department of Road and Transportation Engineering, Faculty of Civil Engineering and Environment, Tarbiat Modares University, Tehran, Iran.
2 Associate Professor, Department of Road and Transportation Engineering, Faculty of Civil Engineering and Environment, Tarbiat Modares University, Tehran, Iran.
10.22034/tri.2024.425071.3205
Abstract
Pedestrians are the most vulnerable group of road users. A high percentage of pedestrian accidents occur at signalized urban intersections. Despite the separation of pedestrian movements from motorized vehicles at signalized urban intersections, the statistics of pedestrian accidents and injuries at signalized intersections are significant. The most critical factor causing conflicts between pedestrians and vehicles is pedestrians crossing when the pedestrian signal is red and vehicles are in motion at the intersection. The aim of this research is to estimate pedestrian waiting times, also known as pedestrian waiting tolerance thresholds, at signalized urban intersections, and to identify the factors influencing them.

For the assessment, data from 504 pedestrians at an intersection in Tehran were collected through field observation and videography. Then, a linear regression model was developed to estimate the waiting time of pedestrians at the intersection. Statistical and visual examination of the regression model revealed that variables such as gender, age, luggage carriage, the number of waiting pedestrians, pedestrian group count, and weekends significantly impact pedestrian waiting times. Among these variables, the weekend variable had the most significant impact on the waiting time of pedestrians.Aditionally, it was observed that one-third of pedestrians entering the intersection cross without stopping, and other pedestrians prefer not to experience waiting times longer than 35 to 55 seconds.

The results of this study will assist in the design of signalized urban intersections considering pedestrian tolerance thresholds.
Keywords
Pedestrian Waiting Time
Pedestrian Safety
Pedestrian Behavior
Subjects
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