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Transit for All: Mapping Equitable Bike2Subway Connection using Region Representation Learning

Created by
  • Haebom

Author

Min Namgung, Jang Hyeon Lee, Fangyi Ding, Yao-Yi Chiang

Outline

This paper presents Transit for All (TFA), a spatial computing framework for expanding bike sharing systems (BSSs) to address the challenges of limited public transportation access for low-income and minority communities in densely populated cities like New York City. TFA consists of three components. First, it uses local representation learning, which integrates diverse spatial data, to predict bike sharing demand at new station locations. Second, it performs a comprehensive public transportation accessibility assessment using a novel Weighted Public Transportation Accessibility Level (wPTAL), which combines predicted bike sharing demand with existing public transportation accessibility metrics. Third, it provides strategic recommendations for new bike station placement, considering potential ridership and equity gains. Using New York City as a case study, it identifies public transportation access gaps that disproportionately impact low-income and minority communities and demonstrates that strategically placing new stations based on wPTAL can significantly reduce public transportation accessibility inequities associated with economic and demographic factors.

Takeaways, Limitations

Takeaways:
We propose a bike sharing demand prediction model based on local representation learning that integrates various spatial data, which can improve the accuracy of demand prediction at new stop locations.
The wPTAL indicator, which combines existing public transport accessibility indicators with bike sharing demand, allows for a more comprehensive assessment of public transport accessibility.
The TFA framework can help reduce inequalities in public transportation access for low-income and minority communities.
Provides practical guidance to city planners for the equitable expansion of bike sharing systems.
Limitations:
Because this study used New York City as a case study, further research is needed to determine generalizability to other cities.
Additional review and improvement may be needed regarding the weighting of the wPTAL indicator.
Lack of consideration of other factors that influence the expansion of bike sharing systems (e.g. bike theft, safety concerns).
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