2min chapter

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454. Should Traffic Lights Be Abolished?

Freakonomics Radio

CHAPTER

Roundabouts Reduce Congestion

Transportation scholars have found that converting a standard intersection to a roundabout does significantly cut fuel consumption and carbon missions. Because traffic isn't stopped like it is tat a traditional signalized intersection, you don't have vehicles idling,. And so the omission from those idling vehicles is less than with stop lights. The data say that roundabouts reduce congestion....

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