The flow of transportation affects our lives in a very big way and it is unacceptable to approach our traffic and road building dilemma the way we do. Too much time in linear thoughts has got us where we are today. Meanwhile more cars are being sold than ever before. If you would like to know what the end result will be go to Beijing or Shanghai and try to drive in the mess some time. Want to rent a car on vacation? You would be better off to ride a bike if you want to get anywhere fast?In the U.