How many times have you sat through two or three red lights while just one or two cars whiz by the other way? "Smart" traffic signals could reduce waiting at intersections by as much as 28 percent according to simulations by Romanian and U.S. researchers. Plus, drivers could save even more gas if their cars could communicate with the traffic lights. The smart signals could tell the car when the lights are about to change, allowing the driver to anticipate the stop and slow down earlier.
Read the full New Scientist story: "Could smart traffic lights stop motorists fuming?"