Abellán, J.; López-Maldonado, Griselda; De Oña, J.(Elsevier, 2013)
[EN] A Decision Tree (DT) is a potential method for studying traffic accident severity. One of its main advantages is that Decision Rules can be extracted from its structure and used to identify safety problems and establish ...
De Oña, Juan; López-Maldonado, Griselda; Mujalli, Randa; Calvo, Francisco J.(Elsevier, 2013)
[EN] One of the principal objectives of traffic accident analyses is to identify key factors that affect the severity of an accident. However, with the presence of heterogeneity in the raw data used, the analysis of traffic ...
Baena, Leticia; Calvo, Francisco; De Oña, Juan; Garach, Laura; López-Maldonado, Griselda; De Oña, Rocío(Elsevier, 2014)
[EN] Despite the differences that may exist between the different Schools of Civil Engineering, Railways is an eminently practical subject and its purpose is that students learn not only the theoretical design of railway ...
[EN] Traffic accidents data sets are usually imbalanced, where the number of instances classified under the killed or severe injuries class (minority) is much lower than those classified under the slight injuries class ...
Garach, L.; De Oña, J.; López-Maldonado, Griselda; Baena-Ruiz, Leticia(Elsevier, 2016)
[EN] Over decades safety performance functions (SPF) have been developed as a tool for traffic safety in order to estimate the number of crashes in a specific road section. Despite the steady progression of methodological ...
Mujalli, R; Garach, L.; López-Maldonado, Griselda; Al-Rousan, T.(American Society of Civil Engineers, 2019)
[EN] Pedestrian safety is a major concern throughout the world because pedestrians are considered to be the most vulnerable roadway
users. This paper sought to identify the main factors in pedestrian-vehicle crashes that ...
De Oña, J.; López-Maldonado, Griselda; Abellán, J.(Elsevier, 2013)
[EN] Given the current number of road accidents, the aim of many road safety analysts is to identify the main factors that contribute to crash severity. To pinpoint those factors, this paper shows an application that ...
López-Maldonado, Griselda; De Oña, J.; Garach, L.; Baena-Ruiz, Leticia(Elsevier, 2016)
[EN] One of the main objectives of all public administrations is reducing traffic crashes. To this end, Road Safety Inspections (RSI) stand out as a key measure. Signaling roads is one of the foremost tasks of RSI. A road ...
Calvo, F.; De Oña, J.; López-Maldonado, Griselda; Garach, L.; De Oña, R.(Thomas Telford Ltd., 2013)
[EN] A part of track maintenance costs is directly related to train traffic, and therefore they are marginal costs in the short term. Track renewal costs over a longer period of time also increase with traffic, so they ...
De Oña, J.; De Oña, R.; López-Maldonado, Griselda(Springer-Verlag, 2015)
[EN] A transit service quality study based on cluster analysis was performed to extract detailed customer profiles sharing similar appraisals concerning the service. This approach made it possible to detect specific ...
Garach Morcillo, Laura; Calvo Poyo, Francisco Javier; López-Maldonado, Griselda(Elsevier, 2014)
[EN] One technique used to improve highway safety from the point of view of the infrastructure is to examine the consistency of the design. Design consistency refers to if highway geometry is conformance to driver expectancy. ...