Traffic Lights That Think For Themselves

PITTSBURGH'S EAST END  -- Can you imagine never again having to sit in a traffic jam?

Groups of researchers at CMU, working under an initiative called Traffic21, have developed a network of traffic lights that coordinate their signal timing based on traffic flow. The Breathe Project is psyched by huge reduction in pollution levels from just a small test. Mayor Ravenstahl and CMU's president Cohon both attended the kick-off news conference near the intersection of Centre Avenue and Penn Avenue.

They look like traffic lights on steroids.

Read more about it in the Pittsburgh Post-Gazette: http://www.post-gazette.com/stories/news/transportation/cmu-develops-high-technology-traffic-signal-timing-system-654781/#ixzz27UsOAgqN