Abstract
Bike Share Toronto is Canada’s second largest public bike share system. It provides a unique case study as it is one of the few bike share programs located in a relatively cold North American setting, yet operates throughout the entire year. Using year-round historical trip data, this study analyzes the factors affecting Toronto’s bike share ridership. A comprehensive spatial analysis provides meaningful insights on the influences of socio-demographic attributes, land use and built environment, as well as different weather measures on bike share ridership. Empirical models also reveal significant effects of road network configuration (intersection density and spatial dispersion of stations) on bike sharing demands. The effect of bike infrastructure (bike lane, paths etc.) is also found to be crucial in increasing bike sharing demand. Temporal changes in bike share trip making behavior were also investigated using a multilevel framework. The study reveals a significant correlation between temperature, land use and bike share trip activity. The findings of the paper can be translated to guidelines with the aim of increasing bike share activity in urban centers.
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Notes
An ideal indicator if how the thermal environment affects human wellbeing is the Physiologically Equivalent Temperature (PET) (Matzarakis and Amelung 2008). However, the calculation of the PET requires variables such as vapor pressure, mean radiant temperature, metabolic rate and the physical work output of the bike share user. Thus, due to data limitations, the perceived temperature described above was instead adopted.
Some origin destination (OD) pairs of bike share stations registered a very low number of daily trip counts. Therefore, OD trips were aggregated monthly.
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Acknowledgments
This research was funded through an NSERC Engage project. Authors are grateful to the City of Toronto for facilitating data access as well as comments/suggestions. However, the views and opinions express in the paper belong only to the authors.
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Appendices
Appendix 1: Literature review summary of related bike share studies
Author(s) | Location | Method | Time of year | Significant findings |
---|---|---|---|---|
Bachand-Marleau et al. (2012) | Montreal, Canada | Online Survey | April to November | Proximity of docking stations to residential housing increases bike share trip frequency |
Gebhart and Noland (2014) | Washington D.C., USA | System Ridership Data | Year round Data | Reduced ridership was correlated with cold temperatures, rain, and high humidity levels |
Buck and Buehler (2012) | Washington D.C., USA | System Ridership Data | September to March | Station proximity to bicycle lanes may increase ridership |
Daddio (2012) | Washington D.C., USA | System Ridership Data | October | Proximity to retail outlets and the metro rail was positively correlated with trip generation. Locating stations away from the center of the bike share system tended to reduce ridership |
Wang et al. (2012) | Minnesota, USA | System Ridership Data | April to November | Station proximity to high job density and food serving enterprises was found to be correlated with higher ridership levels |
Rixey (2013) | Washington D.C., Denver, Minnesota | System Ridership Data | Year Round Data | Population density, retail density, education level of riders, proximity of station to other bike share stations were found to be positively correlated with increase in bike share use |
Nair et al. (2013) | Paris, France | System Ridership Data | March to July | Bike share ridership was positively correlated with station proximity to transit stops |
Hampshire and Marla (2012) | Barcelona, Spain | System Ridership Data | May to September | Population and employment density were found to be correlated with higher public bicycle use |
Imani et al. (2014) | Montreal, Canada | System Ridership Data | April to November | Station proximity to major roads was negatively correlated with ridership. Many smaller stations optimally distributed around the service area can lead to greater ridership as opposed to a few large stations |
Appendix 2: Multivariable Regression model variance inflation factor analysis
Appendix 3: Linear Mixed Effects Models’ Table of Results
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El-Assi, W., Salah Mahmoud, M. & Nurul Habib, K. Effects of built environment and weather on bike sharing demand: a station level analysis of commercial bike sharing in Toronto. Transportation 44, 589–613 (2017). https://doi.org/10.1007/s11116-015-9669-z
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DOI: https://doi.org/10.1007/s11116-015-9669-z