نتایج جستجو برای: crash modification factors

تعداد نتایج: 1201411  

2017
Younshik Chung

Given the extreme difficulty of estimating crash likelihoods, the most important aspect of the development of congestion management strategies is the identification of the factors that affect non-recurrent congestion caused by crashes. Such factors must be identified to develop crash management strategies and congestion management strategies. The objectives of this study are to identify causal ...

Journal: :ISPRS Int. J. Geo-Information 2015
Adriaan Perrels Athanasios Votsis Väinö Nurmi Karoliina Pilli-Sihvola

Road traffic safety is the result of a complex interaction of factors, and causes behind road vehicle crashes require different measures to reduce their impacts. This study assesses how strongly the variation in daily winter crash rates associates with weather conditions in Finland. This is done by illustrating trends and spatiotemporal variation in the crash rates, by showing how a GIS applica...

2017
Gabriele Prati Marco De Angelis Víctor Marín Puchades Federico Fraboni Luca Pietrantoni

The factors associated with severity of the bicycle crashes may differ across different bicycle crash patterns. Therefore, it is important to identify distinct bicycle crash patterns with homogeneous attributes. The current study aimed at identifying subgroups of bicycle crashes in Italy and analyzing separately the different bicycle crash types. The present study focused on bicycle crashes tha...

Journal: :Traffic injury prevention 2006
Pierro Hirsch Urs Maag Claire Laberge-Nadeau

PROBLEM In many jurisdictions, driver education (DE) graduates, compared to non-graduates, are granted a time-discount that allows them to drive unsupervised several months earlier, despite little evidence of a safety benefit and consistent evidence of increased crash risk. Confounding factors may be threatening the validity of DE evaluations. A theoretical framework called the "licensing proce...

Journal: :Accident; analysis and prevention 2013
Rongjie Yu Mohamed Abdel-Aty

This study presents multi-level analyses for single- and multi-vehicle crashes on a mountainous freeway. Data from a 15-mile mountainous freeway section on I-70 were investigated. Both aggregate and disaggregate models for the two crash conditions were developed. Five years of crash data were used in the aggregate investigation, while the disaggregate models utilized one year of crash data alon...

Journal: :medical journal of islamic republic of iran 0
saba jafarpour sina trauma and surgery research center, tehran university of medical sciences, tehran, iran & postdoctoral research fellow department of neurology, boston children's hospital, harvard medical school, boston.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: sina trauma and surgery research center vafa rahimi-movaghar research vice chancellor of sina trauma and surgery research center, department of neurosurgery, shariati hospital, tehran university of medical sciences, tehran, iran & research centre for neural repair, university of tehran, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: research vice chancellor of sina trauma and surgery research center

road traffic crashes (rtcs) account for great mortality and morbidity rates worldwide, resulting in substantial global burden. factors contributing to rtc generally fall into three categories: environmental, vehicle, and human, with the human factor being by far the leading determinant. obtaining an in-depth exploration of driving behavior and factors underpinning risky driving could be of part...

Journal: :Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 2002
J J Arnett

OBJECTIVE To outline various sources of crash risk among young drivers that are developmental (age based) factors. METHODS AND RESULTS First, a distinction is made between adolescence (ages 10-18) and emerging adulthood (ages 18-25) in order to shed light on the reasons for especially high crash rates among 16-17 year old drivers relative to 18-25 year olds. Then various developmental sources...

Journal: :Annals of the rheumatic diseases 2006
G Wynne-Jones G J Macfarlane A J Silman G T Jones

OBJECTIVE To determine the rate of new onset of widespread pain after a traumatic event (motor vehicle crash). METHODS A prospective cohort study of persons registered with an insurance company who had or had not experienced a motor vehicle crash. All participants were sent a questionnaire to assess pre-crash (or for the non-crash group, prior) psychosocial factors and widespread pain. Partic...

2014
C. L. Tan S. V. Wong

Over recent years, researchers have used full-scale motorcycle crash tests in the field of road safety research to simulate different types of crash technique and scenario. This study focuses on the development of laboratory-based motorcycle crash tests. A moveable barrier, designated as a ‘trolley’ in this study, is designed, developed and implemented in a laboratory-based motorcycle crash tes...

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