Abstract

We propose a decision-aiding evaluation procedure (i) for classifying road crossings based on their impact on walkability and, subsequently, (ii) for prioritising street improvements, in urban-rural fringe areas. In the peripheral urban-rural fringes, pedestrian mobility is usually less developed and people generally depend more on cars for their everyday chores. Partly this is inevitable given the structural features and supply of services and activities in such areas, but part is due to a frequent neglect of pedestrian mobility in planning and urban design. Measures to improve this state of affairs can include the design of more pedestrian-friendly environments offering to potential users a greater level of security, comfort and convenience when walking to their designated destinations. Our evaluation procedure combines a walkability assessment methodology with the ELECTRE TRI rating procedure, in order to assist planners and decision makers in designing physical streets to enhance the continuity, safety and quality of pedestrian paths. Improving the walking accessibility in the fringe areas of towns is a way to reduce the physical and perceptual distance which separates these contexts from the rest of the city, thus leading to a progressive integration of urban functions.

Highlights

  • Our study was organised in two phases: first, we carried out a field survey in which the objective measures of spatial and operational characteristics of crossings were collected, and compared with the subjective judgments expressed by pedestrians, for the purpose of identifying the relative importance of factors for the perceived level of walkability; second, we classified the intersections with the ELECTRE TRI rating method [9,10] for their conduciveness to walking

  • Among the 180 crossings analysed, 43 (24%) of them are located within the rural-urban fringe areas, 27 of which fall in class C3, and the remaining 16 in the second class C2

  • In order to test if our rating model is capable to express classifications in concordance with the perceived judgments of the crossing quality expressed by pedestrians, we compared the latter with the outputs of the ELECTRE TRI model

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Summary

Introduction

The possibility for the people with different motility [5] (ages, gender, residential location, socio-economic status, personal abilities, etc.) to reach valuable destinations and places “on their own” and by foot is an important capability with respect to their “right to the city” Such a possibility becomes consequential for the people living in the spatially and socially marginalised urban-rural areas. Among the spatial factors affecting people’s choice to walk, in this work we focus on the role of road intersections and their hindering effect on pedestrian accessibility Intersections, by their very nature, are places of a considerable potential for conflict among different street users.

Intersections in Walkability Studies
Evaluating Intersections for Walkability: A Conceptual Framework
Experimental Design
Identification of Significant Attributes
A Brief Reminder of the ELECTRE TRI Sorting Model
Evaluation Criteria
Results and Accuracy of the Classification Model
Prioritizing Intersections
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Conclusions
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