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Energy-Efficient LED Traffic Lights Are Backfiring In a Deadly Way

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Oops. It appears that old fashioned, power hungry incandescent lights have one major advantage over LEDs—they get hot enough to melt snow. Unfortunately, cold weather cities are discovering this glaring oversight the hard way.

Obviously, if the lights are not melting snow, motorists are going to have trouble seeing the signals after a storm. So far, this problem has resulted in dozens of accidents and at least one death. Solutions are being tested in several states that range from weather shields to heating elements to water-repellent coatings. In the meantime, city crews must continue to stay on top of the problem and dust off the lights by hand. [Yahoo]