How to design a city?

I'll give that a big +1.

If you really want to have no cars / roads you can't have a city - you'll be needing a self-sufficient village where everyone works to provide the goods / food that the village needs. Not neccessarily a huge step forward for mankind through.

Yep I was trying to make that point above, part of what makes a city a city is the whole "hustle and bustle" idea, without traffic, it's not really the same, even the ideal thought of a city still has problems, it's gonna be a very busy place, that's part of what makes it a city.

Still, i'm sure we can build a nice quiet village on the infield of Brands Hatch.

ETA - Actually, about that sarcastic last point, I just remembered something, is anyone else confused by those people who bought houses that were built next to Brands Hatch, and have started a campaign to reduce the noise comng from it?

Never underestimate the power of stupid people in large munbers.