Here's something you might see down the road: cars that talk to each other and warn drivers of impending collisions.
The government this summer is launching a yearlong test involving nearly 3,000 cars, trucks and buses using volunteer drivers in Michigan. The vehicles will be equipped to continuously communicate over wireless networks. They will exchange information on location, direction and speed 10 times a second with other similarly equipped cars within about 1,000 feet. A computer analyzes the information and issues danger warnings to drivers.
So-called connected cars could let drivers know if they don't have time to make a left turn because of oncoming traffic or when it's safe to pass on a two-lane road -- even warning of vehicles around a curve.
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