Portage is among several cities across the country that has discovered high-efficiency traffic lights are a hazard in a snowstorm. Many communities, including Portage, have switched to LED bulbs in ...
LONDON (Reuters) - British lighting technology firm Dialight is hoping a switch to low-carbon LED traffic lights across Europe and on cellphone masts will help it to drive revenues over the next few ...
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 ...
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