What causes traffic gridlock?

Everyday life enters a different phase on the Tuesday after Labor Day, the unofficial start of autumn in the United States. As students and employees return from vacation, and vehicles fully flood roadways once again, drivers ...

IBM driver tool predicts traffic jams

IBM is testing smartphone software designed to predict traffic jams and warn motorists before they even take to the roads.

CarTel project researching cars as mobile sensors

Data about road and traffic conditions can come from radio stations’ helicopters, the Department of Transportation’s roadside sensors, or even, these days, updates from ordinary people with cell phones. But all of these ...

China's nine-day traffic jam stretches 100km

Thousands of vehicles were bogged down Monday in a more than 100-kilometre (62-mile) traffic jam leading to Beijing that has lasted nine days and highlights China's growing road congestion woes.

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