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Jocilene Otila da Costa
Academic Centre of Agreste Region (CAA), Department of Technology, University Federal of Pernambuco, Caruaru 50670-901, PE, Brazil

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Short Biography

Bachelor 's at Engenharia from Universidade Federal do Rio Grande do Norte (2006), master's at Transports Engineering from Universidade de Brasília (2009) and doctorate at Curso Doutoral em Engenharia Civil from Universidade do Minho (2015). Has experience in Civil Engineering, focusing on Civil Engineering, acting on the following subjects: generalized estimating equations, two-lane highways, longitudinal data, crash prediction models and crash contributory.

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Journal article
Published: 16 April 2021 in Applied System Innovation
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This paper identifies and analyzes variables that influence pedestrian safety based on the definition of models of pedestrian crash frequency for urban areas in Portugal. It considers three groups of explanatory variables, namely: (i) built environment; (ii) pedestrian infrastructure, and (iii) road infrastructure, as well as exposure variables combining pedestrian and vehicular traffic volumes. Data on the 16 variables considered were gathered from locations in the counties of Braga and Guimarães. The inclusion of pedestrian infrastructure variables in studies of this type is an innovation that allows for measuring the impacts of the dimensions recommended for this type of infrastructure and assessing the implementation of policies to support the mobility of vulnerable users, especially pedestrians. Examples of such variables are unobstructed space for pedestrian mobility and the recommendable distance separating regulated crossings. Zero-Truncated Negative Binomial Regression Models (ZTNB) and Generalized Estimation Equations (GEE) are used to develop crash prediction models. Results show that in addition to the variables identified in similar studies such as carriageway width, other statistically significant variables like longitudinal slope and distance between crosswalks have a negative influence on pedestrian safety. On-street parking places, one-way streets, and the existence of raised medians have an opposite contribution to safety.

ACS Style

Leidy Barón; Jocilene Otila da Costa; Francisco Soares; Susana Faria; Maria Prudêncio Jacques; Elisabete Fraga de Freitas. Effect of Built Environment Factors on Pedestrian Safety in Portuguese Urban Areas. Applied System Innovation 2021, 4, 28 .

AMA Style

Leidy Barón, Jocilene Otila da Costa, Francisco Soares, Susana Faria, Maria Prudêncio Jacques, Elisabete Fraga de Freitas. Effect of Built Environment Factors on Pedestrian Safety in Portuguese Urban Areas. Applied System Innovation. 2021; 4 (2):28.

Chicago/Turabian Style

Leidy Barón; Jocilene Otila da Costa; Francisco Soares; Susana Faria; Maria Prudêncio Jacques; Elisabete Fraga de Freitas. 2021. "Effect of Built Environment Factors on Pedestrian Safety in Portuguese Urban Areas." Applied System Innovation 4, no. 2: 28.