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Understanding the interplay between urban segregation and accessibility to services with network analysis.

Mirko Lai1, Anna Sapienza1, Salvatore Vilella1

  • 1Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Alessandria, Italy.

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Summary

The 15-minute city model may worsen spatial segregation. While aiming for convenience, hyper-proximity can inadvertently increase social exclusion, particularly in lower-income neighborhoods, by affecting service access and transport links.

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Area of Science:

  • Urban Planning and Network Science
  • Spatial Analysis and Social Geography

Background:

  • The 15-minute city concept promotes hyper-proximity for enhanced livability and sustainability.
  • Potential negative impacts on social inclusion and spatial segregation are underexplored.

Purpose of the Study:

  • To develop and apply a network-based framework to analyze the effects of hyper-proximity models on spatial segregation.
  • To investigate how service accessibility and transport connectivity influence social inequalities.

Main Methods:

  • Modeling cities as complex spatial networks.
  • Quantifying service accessibility via Points of Interest (PoIs) distribution.
  • Using closeness centrality to measure urban transport connectivity at various scales.

Main Results:

  • Areas with better service access generally show higher connectivity, but this relationship is uneven.
  • Lower-income neighborhoods often exhibit both reduced accessibility and connectivity.
  • Some higher-income areas show low accessibility and connectivity, indicating potential voluntary isolation.

Conclusions:

  • Hyper-proximity models like the 15-minute city do not inherently guarantee inclusiveness.
  • These urban planning strategies may mask or even exacerbate existing socio-economic inequalities.
  • Further research is needed to ensure equitable outcomes in urban development.