VW released have tested a self driving car the Golf GTI 53+1 is capable of 150mph by itself.
VW plan to use the technology to replace test drivers so cars can reach full potential at high speed testing etc.
more on GTI 53+1 http://www.worldcarfans.com/news.cfm...ics-and-safety
Also VW and Stanford Uni are researching a Passat Wagon that will drive itself around LA.
The pair won the 2005 DARPA challenge with Stanley the self driving Touareg.
more on self driving Passat http://www.autoblog.com/2006/06/09/h...ut-the-future/
more on VW @ 2005 Darpa Challenge http://www.worldcarfans.com/news.cfm...rand-challenge