How Traffic Lights Work | SciTech Now HD

youtube 20.11.2014

Have you ever wondered how traffic lights in your community actually work? In Orange County, Florida and around the country, keeping traffic flowing smoothly is more complicated than you might think. We go "inside the silver box" to learn more. For more, visit www.scitechnow.org

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20.11.2014

03:24

How Traffic Lights Work | SciTech Now

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How Traffic Lights Work | SciTech Now HD

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