Integration of GIS, remote sensing and Multi-Criteria Evaluation tools in the search for healthy walking paths

Mohammad Taleai · Ali Sabzali Yameqani

27 citations0/0 files storedKSCE Journal of Civil Engineering

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Urban Transport and Accessibility Urban Design and Spatial Analysis Urban Green Space and Health

Abstract

Today, urban lifestyles lead to people suffering from a variety of illnesses, most of which are caused by a lack of physical activity. Walking is one of the best ways to prevent such illnesses from occurring. In this study, an integration method is proposed to help people choose the most appropriate and healthiest walking paths in the city of Shiraz in Iran. This method was developed based on data captured from remote sensing images and GIS-based analysis, the aim being to apply parameters related to people’s health. The study directs its attention away from merely improving the path-finding method based on the shortest path, and instead analyzes parameters such as the existence of vegetation, reasonable temperatures and the presence of slopes, as well as the diversity of land uses found along road sections to find the optimum path. Paths with these characteristics should motivate people to walk further and for longer, and as a result improve their health. In this research Spatial Multi-criteria Evaluation (SMCE) process was used to determine the healthiest paths. Travel costs for each road section were calculated, to help develop a walkability index, and then by using path-finding analysis within GIS, the healthiest pathway was determined and compared with the shortest one. The proposed method was implemented in a case study. The results show that the simultaneous use of SMCE, remote sensing and GIS techniques along road sections, and the use of appropriate built environment indices, can help provide both urban planners and the public with the data and tools needed to take account of both the length and healthiness of a walking route, plus the services to be found along that route, when choosing to travel within a city.

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References

2009The development of a walkability index: application to the Neighborhood Quality of Life Study 2006Walkability of local communities: Using geographic information systems to objectively assess relevant environmental attributes 2004Active transportation and physical activity: opportunities for collaboration on transportation and public health research 2006Identifying and Measuring Urban Design Qualities Related to Walkability 2011Validation of Walk Score® for Estimating Neighborhood Walkability: An Analysis of Four US Metropolitan Areas 2014An integrated framework to evaluate the equity of urban public facilities using spatial multi-criteria analysis 2015Built environment and children's travel to school 2014Development and application of the Pedestrian Environment Index (PEI)

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