City expands use of high-tech traffic signals – Officials, CMU students team up again to reduce red-light wait times

“Imagine if traffic signals had the ability to see the traffic that was there. Then imagine the traffic signals had the ability to talk to each other, second by second,” Mayor Bill Peduto said at a news conference. “It’s not something from George Jetson. It’s something that’s happening right here in Pittsburgh today.”
The pilot project that upgraded the East Liberty signals “produced some really surprising results,” said Allen Biehler, executive director of the University Transportation Center at CMU. “You’ve got to kind of pinch yourself and say, ‘Is this for real?’ “