2 comments
Haven't watched the video yet but I'm guessing the reasons are:
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Zoning - mixed use zoning and medium density housing are notoriously missing in the US.
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Setbacks/Clear zones - Time and time again, US city planners have widened roads, straightened roads, and removed trees and such, catering towns and cities for driving, rather than building them for humans.
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Parking
Well, these will always be the big top barriers to that sort of thing
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