A rail yard is a maze of tracks where carriages are sorted and redirected. It is read as many possible routes at once, and as a life being rearranged before its next journey.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.