Nissan announced that it will test a new car-to-road communication system aimed at making Japanese roads safer and less congested. The system sends signals between vehicles and roadside structures such as traffic lights and electricity poles to gauge vehicles’ speed, distance and acceleration, sending a warning signal if a car is in danger of running a red light or colliding with another vehicle. It will be deployed as an upgrade to Nissan’s SkyWings satellite navigation system in use in thousands of the company’s cars in Japan. For more information, see here and here and here. (via Smart Mobs)

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