The Infrastructurist reports, "In Europe, London dropped 1.2 percent, Stockholm 3.7, and Vienna 7.6. In the United States, Atlanta fell 10.1 percent and Houston 15.2; even Los Angeles fell 2 percent."
Newman and Kenworthy outline six factors that influence this trend in June 2011 issue of World Transport, Policy & Practice: (1) one-hour threshold that people are willing to spend on the road each day, aka the Marchetti constant; (2) growth of public transit; (3) reversal of sprawl; (4) aging population; (5) rise of urbanism; and (6) cost of petro.
"Peak car use suggests that we are witnessing the end of building cities around cars at least in the developed world," say the duo.
