Published Jul 30, 2015



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Thomas Edison Guerrero-Barbosa, MSc

Yenica Espinel-Bayona, BSc

Darwin Palacio-Sánchez, BSc

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Abstract

Currently traffic accidents are the second cause of death, after homicides, in Colombia. Hence, government institutions require decision-making tools to identify and tackle the causes of traffic accidents. This research aims to determine the influence of factors related to roadway geometry and conditions, and traffic volumes and speeds on the frequency of accidents on the urban road network in the city of Ocaña (Colombia). This study took a methodological modeling approach, which included measuring variables in the field, creating an accidents database, and conducting a subsequent analysis of the data by calibrating a model based on Poisson and Negative Binomial regressions. The results showed that variables such as road width, number of intersections, pavement type, traffic volumes (broken down into motorcycles, light, and heavy vehicles), and average driving speed (50th percentile) relate to accident rates.

Keywords

Accidentalidad vial, frecuencia de accidentes, geometría vial, volúmenes vehiculares, velocidad mediaroad accidents, accident frequency, roadway geometry, traffic volumes, average speed

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How to Cite
Guerrero-Barbosa, T. E., Espinel-Bayona, Y., & Palacio-Sánchez, D. (2015). Effects of the attributes associated with roadway geometry, traffic volumes and speeds on the incidence of accidents in a mid-size city. Ingenieria Y Universidad, 19(2), 105 - 121. https://doi.org/10.11144/Javeriana.iyu19-2.eaar
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