As the motor city, it would be interesting if Detroit reinvented itself as the first American post-car city. i.e. Take roads, which are the most significant public space in most American cities and take it back from cars and give it to pedestrians and bicyclists.

I would love to see any city in the world take this architects proposal for São Paulo (a major concrete jungle) and run with it.

https://www.flickr.com/photos/12588351@N02/sets/721576231926...