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Journal Article

Citation

Ruiz-Padillo A, Pasqual FM, Larranaga Uriarte AM, Cybis HBB. Transp. Res. D Trans. Environ. 2018; 63: 855-871.

Copyright

(Copyright © 2018, Elsevier Publishing)

DOI

10.1016/j.trd.2018.07.016

PMID

unavailable

Abstract

The concept of walkability refers to the extent to which a neighbourhood is walking-friendly. Several walkability indexes have been developed to quantify and evaluate the pedestrian environment. These indexes differ in terms of type of data, methods and goals. The indexes variables may present either uniform or distinct weights, defined by arbitrary, empirical or other diverse weighting methods. This paper pursues the determination of a weighted walkability index, constructed on the basis of the relative importance of their attributes. Weights were determined by the application of the Fuzzy Analytic Hierarchy Process (FAHP), a robust multi-criteria method which considers the experts' uncertainty in decision making. Moreover, FAHP weights were compared with the attribute weights obtained from other simpler methods, and a chi-square test for homogeneity was computed to compare the obtained values. The three most important walkability attributes were: Public Security, Traffic Safety and Pavement Quality, similar results to the ones found in the literature. The application to a case study in the city of Porto Alegre, Brazil, allowed categorizing the studied neighbourhoods and to analyse the effect of changes on attributes in walkability.


Language: en

Keywords

Fuzzy analytic hierarchy process; Kendall rank correlation method; Social choice functions; Urban environment; Walkability; Weighted index

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