How Traffic Lights Can Make a Positive Impact

shared by Amcoffey on Nov 05, 2012 in Transportation

How Traffic Lights Can Make a Positive Impact

shared by Amcoffey on Nov 05, 2012 in Transportation

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When driving, you tend to only think of traffic lights when they turn red and make you late to work. But how do they affect the environment, how do they work to keep people safe? Here’s a look at so...
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