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	Podcast:		TechStuff
	Episode:		How Traffic Lights Work
	Category:		Technology
	Duration:		00:28:03
	Publish Date:		2010-05-10 19:12:37
	Description:		We often take traffic lights for granted, but regulating the flow of traffic takes a lot of planning and technology. Jonathan and Chris detail the technology behind traffic lights in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
	Total Play:		0