Still waiting at an intersection? Banning certain left turns helps traffic flow
When traffic is clogged at a downtown intersection, there may be a way to reduce some of the congestion: Eliminate a few left turns.
Jul 7, 2021
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When traffic is clogged at a downtown intersection, there may be a way to reduce some of the congestion: Eliminate a few left turns.
Jul 7, 2021
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Searching for a vehicle recall just got a little more user-friendly.
Jul 1, 2021
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The U.S. government's highway safety agency has ordered automakers to report any crashes involving fully autonomous vehicles or partially automated driver assist systems.
Jun 29, 2021
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Traffic is so ubiquitous in U.S. cities that until recently, imagining urban life without it meant looking to other nations for examples. Then, in 2020, COVID-19 closures and lockdowns took drivers off the roads. The thought ...
Jun 21, 2021
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After flying into the financial turbulence of the Covid pandemic, the airline sector expects passenger traffic to take off despite concerns about the industry's impact on climate change.
Jun 13, 2021
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In a reversal from Trump administration policies, U.S. auto safety regulators say they will move to require or set standards for automatic emergency braking systems on new heavy trucks.
Jun 12, 2021
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The U.S. government's highway safety agency approved a request by General Motors to recall four 2021 vehicle makes due to a malfunctioning air bag warning light.
Jun 12, 2021
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U.S. traffic deaths rose 7% last year, the biggest increase in 13 years even though people drove fewer miles due to the coronavirus pandemic, the government's road safety agency reported Thursday.
Jun 4, 2021
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To reduce travel times, fuel consumption and carbon emissions, in 2004, UPS changed delivery routes to minimize the left-hand turns drivers made. Although this seems like a rather modest change, the results are anything but: ...
Jun 2, 2021
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Two key groups that offer automobile safety ratings are yanking their top endorsements from some Tesla vehicles because the company has stopped using radar on its safety systems.
May 28, 2021
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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.
This text uses material from Wikipedia, licensed under CC BY-SA