The Transportation Department and the auto industry are developing vehicle collision avoidance systems that use wireless, short-range technology to let vehicles communicate their speed, location and direction of travel with each other. The goal is to increase driver awareness of surroundings and better manage traffic congestion. Here's how it may work. Read the story.

Sources: National Highway Traffic Safety Administration, Research and Innovative Technology Administration | Cristina Rivero/The Washington Post April 10, 2012
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