Posted by on March 24, 2016 3:34 pm in All Weird

How Traffic Lights Came To Be And Why Green Means Go (jalopnik.com)

When approaching a modern-day intersection, we as drivers don’t need much direction in order to know what to do. We simply see a color—red, yellow or green—and act accordingly. But the meanings of those colors weren’t always so universally known, and the story of how they became so is a bit of an odd one.

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