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Comfort and Time-Based Walkability Index Design: A GIS-Based Proposal
Tarek Al Shammas1, Francisco Escobar2
1Department of Geology, Geography and Environmental Sciences, University of Alcalá, Calle Colegios 2, Alcalá de Henares, 28801 Madrid, Spain.
Summary
This study introduces a new Walkability Index (WI) that incorporates comfort factors like noise and shade. This enhanced geographic information system (GIS)-based tool aims to better promote walking for transportation and its associated health and environmental benefits.
Area of Science:
- Urban Planning
- Environmental Science
- Public Health
Background:
- Walking offers significant environmental, economic, and health benefits.
- Built environment features critically influence walking behavior.
- Existing Walkability Indices (WI) often overlook comfort factors.
Purpose of the Study:
- To develop a novel geographic information system (GIS)-based Walkability Index (WI).
- To integrate comfort-related factors (noise pollution, shade/sun conditions) into WI calculations.
- To create a more comprehensive and accurate measure of urban walkability.
Main Methods:
- Designed a new GIS-based Walkability Index (WI).
- Included comfort factors such as noise pollution and shade/sun conditions.
- Determined factor weights through expert consultation.
- Applied the WI to the city of Madrid, using sidewalk sections as the spatial unit.
Main Results:
- Developed a spatially detailed, dynamic, and weighted WI.
- The new WI accounts for comfort-related factors previously omitted.
- The index was computed for the entire city of Madrid.
Conclusions:
- The proposed GIS-based WI addresses limitations in existing indices.
- Incorporating comfort factors enhances the assessment of walkability.
- This tool can inform urban design to promote walking more effectively.
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