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  "path": "/transportation/roads/why-traffic-lights-are-red-yellow-green-not-other-colors?utm_source=RSS",
  "publishedAt": "2026-04-13T22:00:00.000Z",
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  "textContent": "The selection of these colors is deeper than you think.",
  "title": "Why Traffic Lights Are Red, Yellow, and Green (And Not Any Other Colors)"
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