This was a good presentation by the Google team: http://www.youtube.com/watch?v=Uj-rK8V-rik http://www.youtube.com/watch?v=Uj-rK8V-rik I believe they say in th

This was a good presentation by the Google team: http://www.youtube.com/watch?v=Uj-rK8V-rik http://www.youtube.com/watch?v=Uj-rK8V-rik I believe they say in there that they got highway driving down really early on. They have been focusing on urban driving for the last few years.