For example, if there’s an interruption or time lag in communication with the traffic light, the distributed computing approach would still be able to handle traffic flow smoothly." ...

Traffic lights might see a fourth signal as self-driving cars become more practical. Getty Images/iStockphoto. The researcher’s latest plans differ from a 2020 model of a four-light intersection.

There are roughly 320,000 traffic signals in the U.S. and the annual congestion costs -- direct and indirect -- associated with those intersections comes out to $22.9 billion.

There’s the traffic signal controller itself, usually found in a metal box at one corner. Most intersections have sensors just before the intersection lines, which detect if cars are waiting at ...

KARLSRUHE, Germany, June 04, 2024--As part of Umovity, PTV Group and Econolite announce a powerful new integration: Econolite’s next generation Advanced Traffic Controller (ATC) software, EOS ...