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Clearly the current infrastructure is utterly insufficient to handle a complete ban on private cars on roads. There would have to be a completely new system of transportation created, even it's it a system of licensed transportation such as buses, light rail, rental vehicles, etc.

Each person in the city takes up 16ft of space on the road, plus distances between cars for safety.

Another option might be that during rush hours, certain intersections are closed to traffic, allowing main roads leading out of the city to always have green lights in the right direction of travel. The constant changing of red to green with people blocking intersections is a major component of the gridlock.




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