There has been considerable research conducted in recent years into establishing relationships between crashes and various traffic flow characteristics for freeway segments. Most of the research has focused on determining the relationship between crashes and highway traffic volumes, while little attention has been focused on the relationships of vehicle density, level of service (LOS), vehicle ...

In general, RCIs (also referred to as J-turns or RCUTs) have generally been found to decrease crashes. A study by Inman and Haas (2012) compared crashes for nine intersections in Maryland before and after installation of RCIs. Before and after comparisons of traffic crashes were made for each main intersection of the RCI, the sections between the RCI, and the U-turn locations. An empirical Baye...

This study attempts to test hypotheses related to child pedestrian casualties as per their parental living conditions as being together, separated, living without mothers or without fathers. These are analyzed according to the children age, sex and injury severity. The necessary data are taken from questionnaires administered by Directorate of Traffic in Bahrain. The questionnaires are filled o...

Approximately one third of deaths among persons aged 15-24 years result from motor-vehicle crashes (1). Although alcohol use increases the risk for motor-vehicle crashes for all drivers, for young drivers the risk begins to increase at very low blood alcohol concentrations (BACs) (2). In addition, in young persons who drive after drinking, the relative risk for crash involvement is greater at a...

Data mining is the analysis of large "observational" datasets to find unsuspected relationships that might be useful to the data owner. It typically involves analysis where objectives of the mining exercise have no bearing on the data collection strategy. Freeway traffic surveillance data collected through underground loop detectors is one such "observational" database maintained for various IT...

OBJECTIVE The aim of this study was to examine the pattern of injuries resulting from road traffic crashes involving four wheel drives (4WD) vehicles and passenger cars in the United Arab Emirates (UAE). DESIGN Descriptive study. PLACE AND DURATION OF STUDY Al-Ain and Tawam Hospital, UAE, during a period from 1st January to 31st December 2000. PATIENTS AND METHODS A questionnaire was crea...

PREDICTING TRAFFIC CRASHES USING REAL-TIME TRAFFIC SPEED PATTERNS Mohamed Abdel-Aty", Anurag Pande of the recent advances in traffic surveillance technology and concern over there have been very few research efforts between the real-time flow and crash occurrence. This aims at the identification the in the loop detector data. which potentially nr"""'I"'I'" traffic crashes. This would have impli...

BACKGROUND Approximately 1 in 4 children hospitalized with injuries from traffic crashes and their parents experience symptoms of acute stress disorder (ASD). These families represent a minority of those exposed to the trauma of a crash. To date, no studies have explored the prevalence of ASD symptoms in the broader population of children and parents exposed to crashes. OBJECTIVE To describe ...