Search results for "SAFE"
showing 10 items of 2099 documents
Investigation of the consequences of the modifiable areal unit problem in macroscopic traffic safety analysis: A case study accounting for scale and …
2019
Abstract Traffic safety analysis at the macroscopic level usually relies on previously defined areal traffic analysis zones (TAZs) that are used as the units of investigation. Hence, statistical inference is made on the basis of such units, implying that the consideration of a certain TAZ configuration may influence the results and conclusions achieved. Regarding this, the modifiable areal unit problem (MAUP) is a well-known issue in the field of spatial statistics, which refers to the effects that arise in statistical properties and estimations when there is a change in areal units of analysis. In this paper, the consequences of MAUP have been investigated through a dataset of traffic cras…
Surrogate Measures of Safety at Roundabouts in AIMSUN and VISSIM Environment
2018
This paper addresses issues on road safety analysis through microscopic traffic simulation models. The Surrogate Safety Assessment Model (SSAM) was applied to read vehicle trajectory files generated by two micro-simulators and then calculate surrogate measures of safety. Since safety assessment of any road entity can provide different results based on the micro-simulator which is used, the main objective of this research was to estimate the safety performance of three roundabout layouts and compare the conflict events simulated by AIMSUN and VISSIM. The two micro-simulators were used to build the calibrated models of the roundabouts, each fitting the corresponding empirical capacity functio…
“Pédaler en toute sécurité”: The Cycling Behavior Questionnaire (CBQ) in Belgium – A validation study
2021
Abstract Introduction: During the last few years, the use of behavioral questionnaires for assessing risky behaviors of road users different from motor-vehicle drivers has grown considerably in applied research for road safety. In this regard, recent tools such as the Cycling Behavior Questionnaire (CBQ) are gaining ground, being adapted and tested in further languages, thus getting useful to address the case of countries whose language is different to the English and Spanish. Therefore, and in order to extend the use of the CBQ, this study aimed (i) to develop the validation of the CBQ to the French and Dutch languages, in order to cover the population of Belgian cyclists and (potentially)…
Conceptualization of aggressive driving behaviors through a Perception of aggressive driving scale (PAD)
2019
Abstract Research on traffic safety has highlighted the importance of studying and intervening in aggressive driving in order to reduce crashes and accidents. The main objective of this work is to describe the perception of what people consider an aggressive behavior, and their perception of which are the most aggressive acts performed when driving. The sample was composed of 1079 Spanish drivers aged over 14. They participated in a national telephone survey, completing a questionnaire which gathered socio-demographic data and information on the drivers’ profiles, containing a “Perception of aggressive driving Scale (PAD)”. The unifactorial ANOVA test for repeated measures of the General Li…
Consistency Between the Subjective Perception of Feeling Indisposed, the Decision to Drive and Driving Performance
2016
Drivers' health and fitness are essential issues in order to predict traffic crashes, taking into account that these characteristics are essential to perform this task correctly and safety. The purpose of this research was to analyze the frequency in which drivers who feel physically or emotionally unable to drive decide to perform this task, or not, under states of indisposition, as well as the perception of the effect that this indisposition had on driving. This cross-sectional study used a total sample of n=1200 (666 [56%] men and 534 [44%] women) Spanish drivers, who answered a questionnaire designed to collect data about their psychosocial characteristics, driving habits and perception…
SAFETY CONSIDERATIONS ON TEENAGE PEDESTRIAN-BUS IMPACT
2019
This work studies the impact conditions between the adolescent pedestrian and the bus focusing on head and chest injury. The injury to the head is analyzed using both the Head Injury Criterion (HIC) 36 and the HIC15 parameters as established by the most advanced legislation and comparing the risk probability Abbreviated Injury Scale (AIS3+) and AIS4+. The parameter HIC15 gives a higher probability of risk with lower values, and therefore it can be considered more conservative. Moreover, the study of chest injury is performed with two different biomechanical parameters: the Thoracic Trauma Index (TTI) and the TTI(d); the last neglects the pedestrian mass. The results indicate that the param…
Socio-demographic, personal, environmental and behavioral correlates of different modes of transportation to work among Norwegian parents
2016
Abstract Background Cycling and brisk-walking to work represents an opportunity to incorporate sustainable transport related moderate- to- vigorous physical activity (MVPA) into daily routine among adults, and thus, may make an important contributing to health. Despite the fact that walking and cycling is an option for many commuters and also brings a number of benefits, a considerable proportion of commuters choose to use other means of transport when cycling and walking would be a highly appropriate transport mode. The object of this study was to assess the associations between modes of commuting to the workplace among parental adults; taking socio-demographic, personal, environmental and…
STUDIES OF THE POSSIBILITIES TO USE OZONE FOR THE GRAIN STORAGE
2021
The financial support of Rural Support Service Project No l8–00–A01620–000003 "Technology development of grain drying with active ventilation using ozone" is greatly acknowledged. The authors thank Dr.sc.ing. Aivars Cesnieks and Ing. Sandris Cesnieks, representatives of the farm “Mazkalnini”, Tervetes region, Tervete district, Latvia for the support and active cooperation.
Building a statistical surveillance dashboard for COVID-19 infection worldwide
2020
When a pandemic like the current novel coronavirus (COVID-19) breaks out, it is important that authorities, healthcare organizations and official decision makers, have in place an effective monitoring system to promptly analyze data, create new insights into problematic areas and generate actionable knowledge for fact-based decision making. The aim of this article is to describe an initial work focused on building a comprehensive statistical surveillance dashboard for the epidemic of COVID-19, which can be exploited also for future needs. We propose novel ways of exploring, analyzing and presenting data, using metrics that have not been used previously. We also show the steps necessary to b…
Safety Protocols for Forensic Inspections in the Time of COVID-19: An Approach to Protect Practitioners
2022
The COVID-19 pandemic has impacted the entire world in ways that were unimaginable in 2019. It has changed how professionals work and interact with one another. To ensure the safety of experts and attorneys, forensic inspection procedures must evolve while still providing a reliable foundation for expert testimony. Traditional field inspections require attendees to be physically present and in generally close proximity. Inspecting artifacts may also require that individual components be serially examined by multiple experts, which increases the risk of transmitting the disease. The authors propose a new approach to forensic inspections aimed at protecting consultants from the biological ris…