The inspector general concluded that the defense secretary violated the Pentagon’s instructions on using a private electronic device to share sensitive information. By John Ismay Reporting from ...

Traffic signal timing technology from the University of Michigan could cut down on congestion, To operate, the system uses vehicle Global Positioning System data. Traffic signal timing technology that ...

Researchers from the University of Oxford have for the first time discovered an approach to electrically switch organic LEDs (OLEDs) to emit either left- or right-handed circularly polarized light ...

Arizona has restrictions on the color and type of lights allowed on non-emergency vehicles. Decorating a car with holiday lights could result in a traffic stop and a potential fine. Legal ways to ...

The second phase of the Chambersburg Signal Improvement Project is updating 63 traffic signals in the area. Updates include responsive signal timing, flashing yellow turn arrows, and new green turn ...

Drivers experience billions of dollars in congestion costs at intersections every year. Improving traffic signal timing could help reduce costs and delays. Sometimes you sit in your car at a traffic ...

JACKSONVILLE, Fla. — The City of St. Augustine has spent all year planning to improve the annual Nights of Lights experience, and a big part of that centers on parking. Traffic issues are something ...

They might be vertical, they might be horizontal, but otherwise, traffic lights have hardly changed in a hundred years. Red means stop, yellow means slow down, and green means go, a universal code ...

Traffic was backed up in areas where traffic signals went dark. The Fremont Police Department advised drivers to avoid Mission and Warm Springs boulevards during the outage. “This has caused ...

Drivers experience billions of dollars in congestion costs at intersections every year. Improving traffic signal timing could help reduce costs and delays. Sometimes you sit in your car at a traffic ...

Every green light, red light, and split second of timing is part of an invisible system designed to keep millions of people safe this video uncovers how engineers control chaos at intersections and ...