<<<<<<MarkBau1 wrote in message <19990418011448.24782.00002773@ng-fv1.aol.com>... ><<<<<I believe that LT/LUL use a similar system in the London Underground.>>>>> I did not make this statement, Krel is the one you should be attributing this statement to! Mark. Visit my train pic website at: http://home.earthlink.net/~markbau/