We will have self driving cars in 3 to 5 years at this point...the writing is on the wall. We will have pervasive self driving cars in 10 or 20 years.<p>So to ignore something that is pretty much a sure bet to redesign your city over 20 years, when what you are building is meant to last 50-100 years, is kind of stupid. You do what you can with all information available.