A new study from faculty at the Colorado School of Public Health at the University of Colorado Anschutz Medical Campus looks at the relationship between opioid use and driving among older adults.
Jul 07, 2020
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Dr. William Schaffner, one of the nation's leading infectious disease experts and a professor of medicine at Vanderbilt University Medical Center, has been helping to keep people healthy for decades. In an interview which ...
Jul 03, 2020
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It's not just health, social and economic consequences from COVID-19 that have impacted the world. Travel behavior also has been significantly affected. Using statewide traffic data from the Florida Department of Transportation ...
Jul 01, 2020
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Laws legalizing recreational marijuana may lead to more traffic deaths, two new studies suggest, although questions remain about how they might influence driving habits.
Jun 22, 2020
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Moscow emerged from a strict coronavirus lockdown on Tuesday despite Russia seeing thousands of new cases every day, as the World Health Organization (WHO) warned the pandemic was "worsening" worldwide.
Jun 09, 2020
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Moldova registered a record number of new cases of the coronavirus during the first week of June, the government said Monday, as a former health minister described the pandemic situation in the country as "out of control."
Jun 08, 2020
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Mexico began gradually reopening its economy on Monday after more than two months of shutdown because of the coronavirus pandemic.
Jun 01, 2020
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The first day of June saw coronavirus restrictions ease from Asia to Europe on Monday, even as U.S. protests against police brutality sparked fears of new outbreaks. The Colosseum opened its ancient doors in Rome, ferries ...
Jun 01, 2020
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More states opened up and crowds of commuters trickled onto the roads in many of India's cities on Monday as a three-phase plan to lift the nationwide coronavirus lockdown began despite an upward trend in new infections.
Jun 01, 2020
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Qantas has unveiled a range of precautions to guard passengers against COVID-19. The safety measures expected to be rolled out on June 12 include contactless check-in, hand sanitizer at departure gates, and optional masks ...
May 21, 2020
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Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel. Traffic laws are the laws which govern traffic and regulate vehicles, while rules of the road are both the laws and the informal rules that may have developed over time to facilitate the orderly and timely flow of traffic.
Organized traffic generally has well-established priorities, lanes, right-of-way, and traffic control at intersections.
Traffic is formally organized in many jurisdictions, with marked lanes, junctions, intersections, interchanges, traffic signals, or signs. Traffic is often classified by type: heavy motor vehicle (e.g., car, truck); other vehicle (e.g., moped, bicycle); and pedestrian. Different classes may share speed limits and easement, or may be segregated. Some jurisdictions may have very detailed and complex rules of the road while others rely more on drivers' common sense and willingness to cooperate.
Organization typically produces a better combination of travel safety and efficiency. Events which disrupt the flow and may cause traffic to degenerate into a disorganized mess include: road construction, collisions and debris in the roadway. On particularly busy freeways, a minor disruption may persist in a phenomenon known as traffic waves. A complete breakdown of organization may result in traffic jams and gridlock. Simulations of organized traffic frequently involve queuing theory, stochastic processes and equations of mathematical physics applied to traffic flow.
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