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TitleSafety classification using GIS in decision-making process to define priority road interventions
Author(s)Rodrigues, Daniel Souto
Ribeiro, Paulo
Nogueira, Isabel Cristina da Silva
KeywordsDecision-making process
Priority road interventions
Road accidents severity
Safety classification
Issue dateFeb-2015
JournalJournal of Transport Geography
CitationRodrigues D. S., Ribeiro P., Nogueira I. Safety classification using GIS in decision-making process to define priority road interventions, Journal of Transport Geography, Vol. 43, pp. 101-110, doi:10.1016/j.jtrangeo.2015.01.007, 2015
Abstract(s)Given the current economic situation of the Portuguese municipalities, it is necessary to identify the priority investments in order to achieve a more efficient financial management. The classification of the road network of the municipality according to the occurrence of traffic accidents is fundamental to set priorities for road interventions. This paper presents a model for road network classification based on traffic accidents integrated in a geographic information system. Its practical application was developed through a case study in the municipality of Barcelos. An equation was defined to obtain a road safety index through the combination of the following indicators: severity, property damage only and accident costs. In addition to the road network classification, the application of the model allows to analyze the spatial coverage of accidents in order to determine the centrality and dispersion of the locations with the highest incidence of road accidents. This analysis can be further refined according to the nature of the accidents namely in collision, runoff and pedestrian crashes.
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AccessRestricted access (UMinho)
Appears in Collections:C-TAC - Artigos em Revistas Internacionais

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