Modeling Speed and Capacity Estimation at Urban Midblock Sections under the Influence of Crossing Pedestrians
Publication: Journal of Transportation Engineering, Part A: Systems
Volume 145, Issue 9
Abstract
Pedestrian crossing at undesignated midblock locations is a prevalent phenomenon in developing countries like India that adversely affects the traffic performance of such sections. The present study aims to determine the effect of such pedestrian crossings on traffic characteristics like vehicular speed and capacity of the section. Data was collected on six-lane urban arterial midblock sections in six different metropolitan cities in India. Fifteen such sections were selected, with and without the presence of crossing pedestrians, and named base and friction sections, respectively. Speed models were developed for the sections, and from the speed models, the capacity of base and friction sections was estimated with varying pedestrian crossflow. The model capacity values were further validated by collecting field data at six more sections—three base sections and three friction sections. The model capacity values were in good agreement with the field capacity values, with mean absolute percentage error (MAPE) values less than 6% for both data sets, that is, for base and friction sections, respectively.
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Acknowledgments
The authors would like to thank the Department of Science and Technology (DST) of the Ministry of Science and Technology, Government of India, for sponsoring the research project entitled “Traffic and pedestrian movement analysis at undesignated pedestrian crossings on urban midblock sections” (File No. YSS/2014/000760) to Sardar Vallabhbhai National Institute of Technology (SVNIT) Surat.
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Published In
Journal of Transportation Engineering, Part A: Systems
Volume 145 • Issue 9 • September 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: May 28, 2018
Accepted: Jan 17, 2019
Published online: Jun 20, 2019
Published in print: Sep 1, 2019
Discussion open until: Nov 20, 2019
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