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Open AccessArticle

Road Investment and Traffic Safety: An International Study

TRYSE Research Group, Department of Civil Engineering, University of Granada, ETSI Caminos, Canales y Puertos, c/Severo Ochoa, s/n, 18071 Granada, Spain
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Sustainability 2020, 12(16), 6332; https://doi.org/10.3390/su12166332
Received: 16 July 2020 / Revised: 31 July 2020 / Accepted: 4 August 2020 / Published: 6 August 2020
(This article belongs to the Special Issue Traffic Safety within a Sustainable Transportation System)
The aim of this study is to analyse whether the economic resources invested in roads—both investment in construction and expenditure on maintenance and conservation—have any influence on road fatality rates. Since this is a complex problem, and because there are many factors that can influence the fatality rate, other variables related to specific transport, socioeconomic and meteorological factors are also considered. The study was carried out using a panel data model, modelling road mortality as a function of 12 variables. The scope of the study is international, focusing on the interurban road network. Data were collected from 23 European countries for the period 1998–2016. The main results obtained are that both expenditure on road maintenance and conservation and the proportion of motorways in the total road network contribute to reducing road mortality. Contrariwise, greater investment in construction leads to an increase in the fatality rate. View Full-Text
Keywords: road safety; road accidents; investment in roads; maintenance and conservation expenditure road safety; road accidents; investment in roads; maintenance and conservation expenditure
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Calvo-Poyo, F.; Navarro-Moreno, J.; de Oña, J. Road Investment and Traffic Safety: An International Study. Sustainability 2020, 12, 6332.

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