Smart intersections could cut autonomous car congestion

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Researchers have developed a first-of-its-kind model to control traffic and intersections in order to increase autonomous car capacity on urban streets of the future, reduce congestion and minimize accidents.

In the not-so-distant future, city streets could be flooded with autonomous vehicles. Self-driving cars can move faster and travel closer together, allowing more of them to fit on the road — potentially leading to congestion and gridlock on city streets.

A new study by Cornell researchers developed a first-of-its-kind model to control traffic and intersections in order to increase car capacity on urban streets, reduce congestion and minimize accidents.

“For the future of mobility, so much attention has been paid to autonomous cars,” said Oliver Gao, professor of civil and environmental engineering and senior author of the study, which published in Transportation Research Part B.

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Fleets of driverless cars could smoothen traffic by at least 35%

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Driverless cars that are networked and in constant communication on the road could improve the flow of traffic by at least 35%.

The findings were reported by researchers at the University of Cambridge who programmed miniature robotic cars to drive on a multi-lane track where various traffic obstructions occurred. Each tiny robotic car was fitted with motion capture sensors and a Raspberry Pi which enabled them to communicate via WiFi.

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These are the 20 most congested cities in the world

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  • The transportation data firm INRIX Research released on Tuesday its annual rankings of the most congested cities in the world.
  • Cities were ranked based on delays caused by congestion, adjusted for each city’s population.
  • Moscow was named the most congested city in the world for the second year in a row, and Europe had more cities in the top 20 than any other continent.

The transportation data firm INRIX Research released on Tuesday its annual rankings of the most congested cities in the world.

The company measured the amount of time lost per capita in 2018 due to the difference between traffic at the busiest and least busy commuting times each day. Cities were ranked based on delays caused by congestion, adjusted for each city’s population.

Moscow was named the most congested city in the world for the second year in a row, and Europe had more cities in the top-20 than any other continent.

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