The purpose of this study is to evaluate pedestrian accessibility in a suburban area in Athens Metropolitan Area (ΑΜΑ) and to explore future scenarios for road space allocation schemes. To assess the existing conditions, the study followed a geospatial analysis approach that incorporated various criteria such as pavement width, quality of pavement, the existence of crosswalks, tactile paving, and the number of curb ramps. Afterwards, five further scenarios were developed through considering socioeconomic characteristics and the preliminary assessment of the current conditions. The new scenarios are the following: a) the active mode corridors in the approved Sustainable Urban Mobility Plan (SUMP) of the municipality, b) conventional interventions (ramps and crosswalks), c) land use-oriented based interventions (improvements around transit stations and basic amenities), d) social-oriented interventions in areas with high share of disadvantaged groups and e) enhanced social-equity strategy focusing on areas with low accessibility and high share of disadvantaged groups. Equity implications were examined through the lens of both the horizontal (Gini index) and the vertical approach (Bivariate Moran’s I index). Applied to the municipality of Egaleo, a suburban area in the western part of the ΑΜΑ, the Gini index demonstrated that the SUMP delivers the most equitable conditions. On the other hand, the Bivariate Moran’s I index indicated that the enhanced social equity strategy is the most effective in promoting vertical equity. These intriguing outcomes, particularly helpful for policymakers, strongly note that if communities strive for social equity in pedestrian accessibility, they should emphasise socio-economic data in planning.

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Future Scenarios and Equity Implications in Pedestrian Accessibility in Athens, Greece

  • Maria Eleni Samouri,
  • Stefanos Tsigdinos

摘要

The purpose of this study is to evaluate pedestrian accessibility in a suburban area in Athens Metropolitan Area (ΑΜΑ) and to explore future scenarios for road space allocation schemes. To assess the existing conditions, the study followed a geospatial analysis approach that incorporated various criteria such as pavement width, quality of pavement, the existence of crosswalks, tactile paving, and the number of curb ramps. Afterwards, five further scenarios were developed through considering socioeconomic characteristics and the preliminary assessment of the current conditions. The new scenarios are the following: a) the active mode corridors in the approved Sustainable Urban Mobility Plan (SUMP) of the municipality, b) conventional interventions (ramps and crosswalks), c) land use-oriented based interventions (improvements around transit stations and basic amenities), d) social-oriented interventions in areas with high share of disadvantaged groups and e) enhanced social-equity strategy focusing on areas with low accessibility and high share of disadvantaged groups. Equity implications were examined through the lens of both the horizontal (Gini index) and the vertical approach (Bivariate Moran’s I index). Applied to the municipality of Egaleo, a suburban area in the western part of the ΑΜΑ, the Gini index demonstrated that the SUMP delivers the most equitable conditions. On the other hand, the Bivariate Moran’s I index indicated that the enhanced social equity strategy is the most effective in promoting vertical equity. These intriguing outcomes, particularly helpful for policymakers, strongly note that if communities strive for social equity in pedestrian accessibility, they should emphasise socio-economic data in planning.