I'm the author of the original post on originalgreen.org. While the images are sensational and actually went viral a couple years ago, the real message is to point out that the need for speed necessitates massive waste of land and resources. At speeds experienced in Florence, the curb radii of the streets are essentially invisible, whereas the expressway radii each take up much of the Atlanta image. Yet which place provides wonderful experiences? Isn't it time to slow down?