In the megacities of the future, we are going to find new ways to move everyone around--from underground highways to roads where pedestrians and cars share the same space
The United Nations predicts that roughly 60% of the world's population will live in cities by the year 2030. Hopefully, the 5.1 billion of us negotiating tight urban spaces by then will have figured out a better way to get around.
Image: http://www.fastcoexist.com
