Road traffic monitoring activity in the United States

Author(s):  
F.E. Jarema
Author(s):  
Roger L. Wayson ◽  
Kenneth Kaliski ◽  
John M. MacDonald ◽  
Erik M. Salomons ◽  
Darlene D. Reiter

The estimation of absolute road traffic noise levels without including the effects of meteorology is thought to be a major source of error in the estimation process commonly used in the United States. In response, the Transportation Research Board-sponsored NCHRP 25-52, Meteorological Effects on Roadway Noise, to collect highway noise data under different meteorological conditions, document the meteorological effects on roadway noise propagation under different atmospheric conditions, develop best practices, and provide guidance on how to (a) quantify meteorological effects on roadway noise propagation and (b) explain those effects to the public. The completed project involved collecting and analyzing 35,000 min of sound and meteorological data at 16 barrier and no-barrier measurement positions adjacent to Interstate 17 in Phoenix, Arizona. This report provides information on the data collection and the modeling recommendations. The database assembled is thought to be among the best available in the United States to permit analysis of meteorological effects on roadway noise. The study recommendations will advance the methodology for estimating the meteorological effects on roadway noise in the United States.


Nature ◽  
1935 ◽  
Vol 136 (3445) ◽  
pp. 750-750

2021 ◽  
Vol 11 (1) ◽  
pp. 1-15
Author(s):  
Tarek M. Esmael ◽  
Abdulamajeed Al Amri ◽  
Tariq Al Anazi ◽  
Saleh Al Attawi ◽  
Hany Hosny ◽  
...  

According to the World Health Organisation, road traffic accidents are the leading cause of most emergency  admissions in hospitals worldwide. Many people have indicated that road traffic collisions are a significant contributor to DALYs lost. For example, according to the World Health Survey in 2010, road traffic events have been reported as the ninth most common cause of injury-modified life years (DALYs) lost across all age and gender classes. The World Health Organization (WHO) reports that one out of every 10 deaths in the world are caused by road traffic accidents. More than 200,000 people are killed in the United States each year from different reasons. The number of disabled people related to this disease will grow even further by 2020. There are nearly 1.5 million out of about 47 million people who are wounded in the highways every year in the United States Drivers were found to be more likely to saddle up for the journey as they set out on main roads. Car seat-belts can make driving more safe by reducing the effect made on the drivers and the passengers in the car. The driver's mood about the problem of distracted driving can be a critical factor in avoiding road traffic accidents. To be safe, drivers should have at least one restful day a week, should not drive for more than eight hours a day, should not travel more than 800 kilometers a day, and will need to have routine checks so that everything is going well and is running properly. Traffic laws, traffic signs, other vehicles, and many other items when on the road; drivers should not eat any nourishment, they should not consume any quantity of alcoholic beverages, they should not use electronic cigarettes, they should not put their mobile phones on.


2019 ◽  
pp. 360-401
Author(s):  
Anjali Gupta ◽  
Jordan Harp ◽  
Desiree Crane

Trauma is the leading cause of death for individuals in the United States younger than 45 years, and globally it is anticipated to become the third largest contributor to the burden of disease by 2020. Road traffic accidents account for most deaths worldwide; however, injuries and death due to firearms are a unique concern in the United States. Emergency clinicians play a vital role in the stabilization, diagnosis, and treatment of trauma patients and must be able to manage a full spectrum of patients, from those presenting with isolated, minor trauma to patients with severe multisystem trauma.


2014 ◽  
Vol 1 (3) ◽  
pp. 411-521 ◽  
Author(s):  
Bryant Walker Smith

This article provides the most comprehensive discussion to date of whether so-called automated, autonomous, self-driving, or driverless vehicles can be lawfully sold and used on public roads in the United States. The short answer is that the computer direction of a motor vehicle’s steering, braking, and accelerating without real-time human input is probably legal. The long answer, which follows, provides a foundation for tailoring regulations and understanding liability issues related to these vehicles. The article’s largely descriptive analysis, which begins with the principle that everything is permitted unless prohibited, covers three key legal regimes: the 1949 Geneva Convention on Road Traffic, regulations enacted by the National Highway Traffic Safety Administration (NHTSA), and the vehicle codes of all fifty U.S. states.


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