Computer Sciences

Moving hazardous goods in the smart city

The transportation of hazardous materials through densely populated areas, such as cities, is a necessary part of modern life, but comes with risks of spills and leaks, explosions, environmental issues, and public health ...

Automotive

Congestion pricing could shrink car size

Rush hour will likely return when pandemic lockdowns lift, but a new study suggests that congestion pricing—policies that charge tolls for driving during peak hours—could not only cure traffic jams but also convince motorists ...

Central Florida lands hub for Jetsons-like 'flying cars'

The nation's first regional hub for "flying cars" is being built in central Florida and once completed in five years, the vehicles will be able to take passengers from Orlando to Tampa in a half hour, officials said Wednesday.

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Traffic congestion

Traffic congestion is a condition on networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased queueing. The most common example is the physical use of roads by vehicles. When traffic demand is great enough that the interaction between vehicles slows the speed of the traffic stream, congestion is incurred. As demand approaches the capacity of a road (or of the intersections along the road), extreme traffic congestion sets in. When vehicles are fully stopped for periods of time, this is colloquially known as a traffic jam.

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