Plan to cut Beijing's traffic in half under way - 2008 Olympics - SI.com: "Traffic flowed a little smoother. Busy avenues had fewer cars. By nightfall, even the hazy sky had mostly cleared."Speaking of car free -- or -- fewer cars, consider Beijing.
The real photo for me is not the cars on the highways. What about the bikes on the bike lanes? I'm not going to be driving. I'll be biking.