Chapter
Jul 2, 2019
Analysis of Pedestrian-Crossing Speed Characteristics at Traffic Intersections
Publication: CICTP 2019
Abstract
Using mounted video camera to collect pedestrian-crossing behavior at intersections, this study investigated the behavior characteristics and the corresponding impact factors. A pedestrian-velocity extraction method based on video images was proposed using perspective transformation, with which the descriptive statistics and spatial distribution of pedestrian-crossing speed were derived. The impacts of age, gender, population density, length of pedestrian crosswalk, and crossing-timing on pedestrian-crossing speed were also investigated. Finally, implications of this study for design speed of pedestrian crosswalk were discussed. Based on 940 intersection-crossing pedestrians from 10 intersections, the results showed that the average intersection-crossing speed was 1.45 m/s; pedestrians had larger speeds in the middle part of the crosswalk; elder pedestrians had the slowest crossing speeds; male pedestrians had faster crossing speeds than females ones; pedestrians had slower crossing speed when they were in larger groups; and the proper design speed for crosswalk was 1.1–1.2 m/s.
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© 2019 American Society of Civil Engineers.
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Published online: Jul 2, 2019
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The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji Univ., Shanghai 201804, China. E-mail: [email protected]
The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji Univ., Shanghai 201804, China. E-mail: [email protected]
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