Eight and a half years ago, the city of Quincy installed 58 LED stop lights in an effort to both save money and be more energy efficient.
So how has it worked? City Engineer Jeff Steinkamp says the lights save the city about $20,000 a year, basically paying for themselves.
Steinkamp says the LEDs last about ten times longer than incandescent bulbs and crew have had to replace only a few new lights.
But every once in awhile in the winter, one issue could pop up.
"Sometimes the lenses can get clogged up a little bit with snow and ice," Steinkamp said. "Before the incandescent bulb would tend to heat that up and melt that out. This rarely happens but when it does we'll send personnel out to different intersections and brush off the heads and LEDs to make them functional."
Steinkamp says another positive side to these LEDs is that they have battery backup units. Which means when the power is out, lights at major intersections will stay fully functional for about 4-6 hours.
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