LED signal lights generally carry a price tag several times higher than incandescent traffic signal bulbs. However, that hasn't stopped many cities from replacing their incandescent lights with LED ...
In a tough year of budget cuts and management changes, Virginia's beleaguered Department of Transportation has found a bright spot. Workers are replacing thousands of green and red light bulbs in ...
A new kind of traffic light is coming to Baltimore City?s intersections this year as part of a $6.5 million project aimed at making the lights brighter and cheaper. The project will replace and ...