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 ...

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.

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.

US quashed report on dangers of phone use while driving

The federal agency tasked with keeping US roadways safe suppressed research seven years ago on the dangers of cellphone use while driving, fearing political fallout from the study, The New York Times reported Tuesday.

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