13 Jun '12, 9am

Seattle Tests LED Lighting for Safer, Brighter Streets (Video)

Seattle Tests LED Lighting for Safer, Brighter Streets (Video)

Street lights posit a problem for TreeHuggers: they use electricity, even when there's no one nearby to benefit, but they make getting around at night much safer for pedestrians and cyclists. Seattle, it seems, may have the answer: solid-state LEDs. SSLs produce a broad spectrum of light, so they don't need to be as bright to provide as much visibility. Simply put, they're more efficient. But before anyone goes around installing them on every block, hard evidence that they are up to the challenge is needed. To provide it, the Northwest Energy Efficiency Alliance (NEEA) teamed up with Seattle City Light and the Seattle Department of Transportation in March, to test how solid-state LEDs (SSLs) would function in the urban setting. The team conducted tests comparing a street with SSL lighting to the current system. A professional diver piloted a car equipped with light-reading...

Full article: http://www.treehugger.com/clean-technology/seattle-pionee...

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