01516692

Component

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 demo- graphics, 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.

This paper was sponsored by TRB committee ANF20 Bicycle Transportation. Alternate title: Catalysts and Magnets: Effects of Built Environment on Bicycle Commuting

01503729

14-5702

English

21p

2014

Transportation Research Board 93rd Annual Meeting

Digital/other

Figures; References; Tables

Bicycle commuting; Bicycle lanes; Binomial distributions; Built environment; Modal split; Urban design

Zero-Inflated Negative Binomial

Self-selection

Design; Pedestrians and Bicyclists; Planning and Forecasting; I20: Design and Planning of Transport Infrastructure; I72: Traffic and Transport Planning

Transportation Research Board Annual Meeting 2014 Paper #14-5702

PRP, TRIS, TRB, ATRI

Jan 27 2014 4:00PM