I think the parent poster meant cities where the road rules amount to a functioning car horn. The roads of Japan are nothing like Cairo/Istanbul etc. There are

I think the parent poster meant cities where the road rules amount to a functioning car horn. The roads of Japan are nothing like Cairo/Istanbul etc. There are a lot of cars - but they drive in an orderly, predictable manner. On a related note: http://en.wikipedia.org/wiki/Yurikamome http://en.wikipedia.org/wiki/Yurikamome In Tokyo they already have an automated transit system that is basically a truck on rails. See this image to get a better picture: http://en.wikipedia.org/wiki/File:Model_7000-Fourth_of_Yurikamome.JPG http://en.wikipedia.org/wiki/File:Model_7000-Fourth_of_Yurik...