What effects do bicycle infrastructure and the built environment have on people’s decisions to commute by bicycle? While many studies have considered this question, commonly employed methodologies fail to address the unique statistical challenge of modeling such a low mode share. Additionally, self selection effects that are not adequately accounted for may lead to overestimation of built environment impacts. This study addresses these two key issues by using a zero-inflated negative binomial model to jointly estimate participation in and frequency of commuting by bicycle, controlling for demographics, residential preferences, and travel attitudes. The findings suggest a strong self-selection effect and modest contributions of bicycle accessibility: that bicycle lanes act as “magnets" to attract bicyclists to a neighborhood, rather than being the “catalyst" that encourages non-bikers to shift modes. The results have implications for planners and policymakers attempting to increase bicycling mode share via the strategic infrastructure development.
Schoner, J, X. Cao, and D. Levinson (2015) Catalysts And Magnets: Built Environment Effects On Bicycle Commuting. Journal of Transport Geography 47 100–108.
Nexus Working Papers;000116
Schoner, Jessica E; Cao, Jason X; Levinson, David M.
Catalysts And Magnets: Built Environment Effects On Bicycle Commuting.
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