lead as non-essential metal, is known the source of toxicity and impacts on the environment and humans. the goal of recent paper is to determine the pb concentration of road and road margin dust of ghamishlu wildlife refuge in isfahan province with an area about 120,000 hectares surrounded by four main roads. traffic load in the southern freeway have been reported as about 3600-19000 cars/day. ...

background and aim: traffic accident is one of the main causes of mortality in iran. the damage and injury caused by these accidents threatens human societies severely. rural accidents are often more severe and show harsher consequences because the operational speed is higher on rural roads and highways. world statistics presented by world health organization (who) reveal that about 25 percent ...

road traffic injuries as a man-made calamity impose great burden on poor people and needs to be addressed through social justice and end of poverty. pointing out that around 186,300 children under the age of 18 are killed every year, and much more are injured, urgent need to work on road safety measures will be revealed. although preventing road traffic crashes from occurring should be the main...

Road traffic injuries as a man-made calamity impose great burden on poor people and needs to be addressed through social justice and end of poverty. Pointing out that around 186,300 children under the age of 18 are killed every year, and much more are injured, urgent need to work on road safety measures will be revealed. Although preventing road traffic crashes from occurring should be the main...

conclusions willingness to pay can be affected by experiencing an accident, the distance of the daily trip, and helmet use. the cost of traffic injuries among motorcyclists shows that this rate is much higher than the global average. thus, expenditure should be made on effective initiatives such as the safety of motorcyclists. results the mean wtp was 888,110 irr (iranian rial) among motorcycli...

background: road traffic accident is a worldwide public health issue that has its highest impact on low and middle income countries including malaysia. many previous studies concerned on the causality of the actual accidents and little attention were given to near miss incidents. hence, the current study was designed to determine the prevalence and associated factors for near miss incident amon...

In the theory of traffic flows the main characteristics are: intensity, speed, and density.  They make it possible to use hydrodynamic models. In connection with the development of modern highways and road networks, traffic flows behavior is becoming more and more complex and diverse. In particular, the B.Kerner studies have shown that the laminar solution of hydrodynamic models is poorly corre...

objective: road traffic injuries (rtis) are the second leading causes of death in iran. one of the most important steps in the prevention of traffic-related trauma and its consequences is gaining insight into the epidemiology of injuries. we conducted this study to describe the characteristics of rtis and to find strategies for its prevention. methods: this was a prospective cross-sectional stu...

background: more than 20% of deaths from traffic crashes are related to pedestrians. this figure in tehran, the capital of iran, reaches to 40%. this study aimed to determine the high-risk areas and spatially analyze the traffic crashes, causing death to pedestrians in tehran.   methods: mapping was used to display the distribution of the crashes. determining the distribution pattern of crashes...