<signal_spotter@my-deja.com> wrote in message 8un6vp$ids$1@nnrp1.deja.com">news:8un6vp$ids$1@nnrp1.deja.com... > Yeah but he doesn't need the signalling circuits or track plan to know > how to derail a train. A lump of 4 by 2 would suffice. Over the back of the signalperson's head?