Reply To: Are there 1 or 2 types of signals? Home › Forums › General Discussion › Are there 1 or 2 types of signals? › Reply To: Are there 1 or 2 types of signals? September 14, 2014 at 02:14 #8047 LuewenParticipant Well signals with 4 aspects would be nice if it would help trains to use different tracks if one is blocked by other trains. Aka advance warning signal so the train seeing that could switch to free track before it comes to the red signal.
