Please use this identifier to cite or link to this item:
http://hdl.handle.net/1942/18881
Title: | Traffic fatality indicators in Brazil: State diagnosis based on data envelopment analysis research | Authors: | Bastos, J.T. SHEN, Yongjun HERMANS, Elke BRIJS, Tom WETS, Geert Ferraz, A.C. |
Issue Date: | 2015 | Source: | ACCIDENT ANALYSIS AND PREVENTION, 81, p. 61-73 | Abstract: | The intense economic growth experienced by Brazil in recent decades and its consequent explosive motorization process have evidenced an undesirable impact: the increasing and unbroken trend in traffic fatality numbers. In order to contribute to road safety diagnosis on a national level, this study presents a research into two main indicators available in Brazil: mortality rate (represented by fatalities per capita) and fatality rate (represented by two sub-indicators, i.e., fatalities per vehicle and fatalities per vehicle kilometer traveled). These indicators were aggregated into a composite indicator or index through a multiple layer data envelopment analysis (DEA) composite indicator model, which looks for the optimum combination of indicators’ weights for each decision-making unit, in this case 27 Brazilian states. The index score represents the road safety performance, based on which a ranking of states can be made. Since such a model has never been applied for road safety evaluation in Brazil, its parameters were calibrated based on the experience of more consolidated European Union research in ranking its member countries using DEA techniques. Secondly, cluster analysis was conducted aiming to provide more realistic performance comparisons and, finally, the sensitivity of the results was measured through a bootstrapping method application. It can be concluded that by combining fatality indicators, defining clusters and applying bootstrapping procedures a trustworthy ranking can be created, which is valuable for nationwide road safety planning. | Notes: | Bastos, JT (reprint author), Univ Sao Paulo, Sch Engn Sao Carlos, Dept Transportat Engn, Av Trabalhador Saocarlense 400, BR-13566590 Sao Carlos, SP, Brazil. jtbastos@usp.br; yongjun.shen@uhasselt.be; elke.hermans@uhasselt.be; tom.brijs@uhasselt.be; geert.wets@uhasselt.be; coca@sc.usp.br | Keywords: | road safety; Brazilian states; data envelopment analysis; cluster; bootstrapping | Document URI: | http://hdl.handle.net/1942/18881 | ISSN: | 0001-4575 | e-ISSN: | 1879-2057 | DOI: | 10.1016/j.aap.2015.01.024 | ISI #: | 000357548800007 | Rights: | © 2015 Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
shenbas1.pdf Restricted Access | Published version | 1.56 MB | Adobe PDF | View/Open Request a copy |
SCOPUSTM
Citations
21
checked on Sep 3, 2020
WEB OF SCIENCETM
Citations
27
checked on Apr 22, 2024
Page view(s)
128
checked on Jul 15, 2022
Download(s)
118
checked on Jul 15, 2022
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.