Journal
TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE
Volume 163, Issue -, Pages 1-19Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tra.2022.06.007
Keywords
Pedestrian route choice; Walk ability; Sustainable mobility; Travel behavior; GPS trajectories; Discrete choice model
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This study uses big data to analyze pedestrian route choice behavior in Boston, exploring preferences for route attributes. The findings can inform walkability policy and practice, with recommendations for future research to focus on hard-to-reach populations.
This study adds to the nascent but growing literature on the use of big data for pedestrian route choice analysis. We explore behavioral preferences for various route attributes in Boston, MA using a large dataset of GPS trajectories (n = 11,165) sourced from a third-party smartphone app. Although the data are anonymized and limit our exploration of user heterogeneity, the sample size and area coverage are both much larger than seen in most previous studies. We estimate route choice preferences using a path size logit model, and operationalize the coefficients for policy-making through 'willingness-to-walk' measures. The value of these measures is demon-strated through an application of computing pedestrian accessibility to transit stations. Addi-tionally, we compare our findings to a previous study in San Francisco, CA using similar data and methods, and previous literature to explore similarities and differences in pedestrian route choice behavior across major metropolitan areas more generally. While our findings can inform walk -ability policy and practice on several counts, we recommend future efforts to focus on supple-menting this study by surveying hard-to-reach populations for more equitable policy-making.
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