----- Original Message ----- > From: "Owen DeLong" <o...@delong.com>
> As in all cases, additional flexibility results in additional ability > to make mistakes. Simple mechanical lockouts do not scale to the > modern world. The benefits of these additional capabilities far > outweigh the perceived risks of programming errors. The perceived risk in this case is "multiple high-speed traffic fatalities". I believe we rank that pretty high; it's entirely possible that a traffic light controller is the most potentially dangerous artifact (in terms of number of possible deaths) that the average citizen interacts with on a daily basis. -- Jay R. Ashworth Baylink j...@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://baylink.pitas.com 2000 Land Rover DII St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274