Latest / America 250: Michigan Made
The Detroit Idea That Organized America's Roads
As automobiles filled city streets, growing traffic demanded a safer way to manage intersections. Detroit inventor Garrett Morgan helped pioneer the traffic signal system that brought order to busy roads and became a fixture of modern life. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
The skinny
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