A discussion of the causes and impacts of recurring and non-recurring congestion accompanied with a review of potential solutions and existing examples. While congestion is a broad and subjective matter, research focused on the separate causes of recurring congestion – mainly capacity and behavioral issues – and non-recurring congestion – mainly incidents which cause unexpected congestion and t...

Prior studies of war and political engagement focus on mass mobilizing, successful conflicts and treat war as a monolithic variable affecting all Americans equally. In this study, we analyze the more limited, less successful conflicts prevalent since 1945, and we examine the influence of disparities in local communities’ casualty rates on their residents’ patterns of political engagement. Using...

The post-September 11 era has prompted unprecedented attention to medical preparations for national special security events (NSSE), requiring extraordinary planning and coordination among federal, state, and local agencies. For an NSSE, the US Secret Service (USSS) serves as the lead agency for all security operations and coordinates with relevant partners to provide for the safety and welfare ...

 Abstract: The shipments of hazardous materials (HAZMATs) induce various risks to the road network. Today, one of the major considerations of transportation system managers is HAZMATs shipments, due to the increasing demand of these goods (because it is more used in industry, agriculture, medicine, etc.), and the rising number of incidents that are associated to hazardous materials. This paper ...

In Northern Europe, Scandinavia and in mountainous areas elsewhere in Europe, a considerable portion of road accidents has adverse weather (e.g. strong winds, snow and ice) as a primary or a contributing cause. In future climate, wind will probably appear as a more serious and frequent threat to road traffic than in present climate. Another consequence of climate change on road traffic is the n...

Due to the propensity of fleet incidents, poor organisational survey results and a lack of fleet safety systems, it was evident that Redland City Council were underperforming, experiencing a variety of work related road safety issues and possessed a low fleet safety culture. As a result of an audit process, and the identification of gaps in organisational process within the fleet safety area Re...

Text messaging on smartphones uses a full soft keyboard instead of the numeric buttons on traditional mobile phones. While being more intuitive, the lack of tactile feedback from physical buttons increases the need for user focus, which may compromise safety in certain settings. This paper reports from an empirical study of the effect of text messaging on road safety. We compared the use of a t...

A road construction 'flagger' is a construction crew member whose responsibility it is to safely co-ordinate vehicle traffic through road worksites. Flaggers are suffering injuries and fatalities at the worksite as a result of being struck by moving vehicles, both construction and commuter. These incidents are largely preventable with a more defensive flagger training programme. A cross-Canada ...

conclusions according to the findings, there has been a rise in the number of unsafe actions in machinery and maintenance service units compared to other maintenance units. as such, training courses based on the behavior-based safety principles at the beginning of employment, close monitoring of health safety environment (hse) officials on the implementation of regulations, and provision of app...

introduction accidents are the second leading cause of disabilities; a problem that causes physical and psychological disorders, and in more severe cases, death. the risks should be identified to suggest the best way to confront and eliminate them. therefore, this study reviews the prevalence and types of accidents among ethnic nomads. materials and methods the current research is a descriptive...