sleep deprivation (sd) increases the risk of human-error related accidents and a major cause of motor vehicle accidents. the overall prevalence of insufficient sleep in adults has been estimated at 20%. according to a comprehensive study prevalence of daytime sleepiness, among young adults (age 21 to 30 years), the average nocturnal sleep time during weekdays was 6.7 hours and on weekends was 7...

human factors issues associated with roadway design and operations are critical components of improving highway safety. first, the three major components of highway safety are driver behavior, vehicle safety, and roadway safety. the general philosophy in roadside safety follows the priorities of (1) remove the hazard, (2) relocate the hazard, (3) make the hazard forgiving, and (4) shield the ha...

Background: Iran has a uniquely catastrophic status for road traffic injury and fatality. Fars province has had the highest number of casualties among the other provinces in recent 5 years. For instance, there are 966 road accident fatalities in 2018. Shiraz-Kazerun road is the deadliest one in Fars province. So, to help the policymakers toward better planning, this study was established to ide...

background: to reduce traffic injuries in the country, health professionals should have accurate estimates of road traffic deaths. multiple and sometimes inconsistent statistics presented by organizations in charge create high degree of uncertainty for planners and decision makers. to achieve an accurate estimate, several methods are available. of them, capture-recapture method seems to be an a...

Road traffic accidents and the effects they subsequently incur are increasing dramatically, and estimating the cost of road traffic crashes could be a vital step in improving the recognition of this widespread problem. The main objective of this paper is to estimate the cost of road traffic crashes in Iran using the Human Capital (HC) Method. Results of this study indicate that the cost of road...

Background and aims: This study aimed to evaluate the effect of enforcement of new traffic laws on the fatal and non- fatal injury rates in Iran. Methods: In a longitudinal, interventional controlled trial study, all subjects with history of fatal and non-fatal injuries were studied. Their injuries were caused by six risky violations (unauthorized speed, illegal overtaking, red traffic light c...

Background and Objectives: The Eastern Mediterranean Region (EMR) has the third highest road traffic fatality rate in the world. This article evaluates the epidemiology of road injuries and some of its main control factors in Iran and compares them with other countries of the EMR.   Methods: This study was conducted to analyze and compare traffic injuries resulting in mortality using secondar...

transportation sector is one of the major contributors to noise in the urban areas. the traffic noise environment in balasore, a city of orissa, india in terms of standard noise indices, community response and community health effects are worked out in the present study. noise pollution is assessed in six different squares (road sections) of the town. it is inferred that the noise levels are mo...