DiscoverMaya The Science Kid PodcastWhy are traffic lights red yellow and green?
Why are traffic lights red yellow and green?

Why are traffic lights red yellow and green?

Update: 2019-02-27
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Traffic lights are pretty similar in most places, but not always everywhere. We talk about roads signs and driving conventions and standards. This is a good episode to learn how things could be different in places we haven't yet visited.

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Maya's page is at https://www.mayathesciencekid.com where you can see her videos and show notes.

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Why are traffic lights red yellow and green?

Why are traffic lights red yellow and green?

Maya The Science Kid