نتایج جستجو برای: highway accident
تعداد نتایج: 143847 فیلتر نتایج به سال:
Safety levels at highway – rail level crossing locations continue to be a major concern at most of developing countries. Basically more than half of these accidents occur at public crossings, where active warning devices are in place and functioning properly. In most cases, accidents occurred when road users ignored the gates and passed through them or if they stopped on the tracks before the g...
Critics often claim that transportation accident investigations focus on finding someone to blame at the expense of deeper inquiries into the organizational factors that may have contributed to the accidents. Our independent analysis of the results of major National Transportation Safety Board investigations into aviation, marine, rail, highway, pipeline, and hazardous materials accidents refut...
ABSTRACT Incidents are a major cause of urban highway congestion. Incidents include any event that temporarily reduces roadway capacity, such as accidents, debris, disabled vehicles, and hazardous material spills. Incident capacity reduction will be used in the incident management systems, advanced traveler information systems, queuing analysis, and computer simulation models. A study conducted...
A 42-year-old patient without notable history, the victim of a highway accident (pedestrian struck by a truck). Admitted to the emergency for severe chest trauma; on admission, the patient was conscious, polypneic, with abdominal breathing, hemodynamically stable. After setting condition, a chest radiograph performed showed left rib fractures with a dissociated fragment from the chest wall, a l...
ارتباط تصادفات رانندگی با ریسک سندرم آپنه حین خواب و کیفیت خواب در کامیونداران استان قم در سال 1391
Background: Drivers with obstructive sleep apnea (OSA) are at 2 to 3 times increased risk of being involved in motor vehicle crashes. Also sleepiness and low sleep quality is a major contributing factor in the frequency of highway vehicle crashes. This study is aim to assessment of correlation among traffic accident with drivers with high risk of OSA and sleep quality. Methods: this article wa...
A method has been developed to estimate the relative accident risk posed by different patterns of driving over a multiday period. The procedure explicitly considers whether a driver is on duty or off duty for each half hour of each day during the period of analysis. From a data set of over 1,000 drivers, nine distinct driving patterns are identified. Membership in the patterns is determined exc...
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