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"Minimum parking requirements act like a fertility drug for cars," Donald Shoup wrote in his celebrated investigation of parking economics, The High Cost of Free Parking. The above video, from the city of Ottawa, does a good job explaining exactly why that is and the problems it causes.

Ottawa commissioned the animation to explain why its 1960s-era parking regulations need rethinking if the city is going to be a walkable place. But the same principles apply to cities everywhere.

Hat tip: City Obseratory

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