See here : http://www.elvastower.com/forums/index.php?/topic/31446-when-no-signals-are-place-on-track-or-will-crash/page__view__findpost__p__231188
See here : http:// www.elvastower. com/forums/ index.php? /topic/ 31446-when- no-signals- are-place- on-track- or-will- crash/page_ _view__ findpost_ _p__231188