Pod Cars

As I've said before, the concept of autonomous vehicle travel makes sense. Personal transportation would be more effective if controlled by computers rather than people. There wouldn't be nearly as much (if any) congestion. It's not a new concept but now the idea is making a comeback in Ithaca, New York (and other places), and it will be interesting to see if the political and cultural barriers can be overcome. Technically it seems quite straightforward:

http://news.yahoo.com/s/ap/20081013/ap_on_bi_ge/podcar_city