On Thu, 29 Sep 2005 19:05:38 -0400, "LWG"
wrote in ::

I can't understand why a series of stop/caution/go lights has not been
implemented at intesections of runways and taxiways.

There is a system like that employs lights imbedded in the taxiways at
the hold bars called: Surface Movement Guidance and Control System.
http://www.gofir.com/aviation_accide...nce_system.htm