AP:
MILWAUKEE - Cities around the country that have installed energy-efficient traffic lights are discovering a hazardous downside: The bulbs don't burn hot enough to melt snow and can become crusted over in a storm - a problem blamed for dozens of accidents and at least one death.
snowtraffic.jpg
AP - In this photo provided by the Oswego Police,

was taken after a fatal crash in Oswego, Ill. on April 6
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