The railway switch stands for a quiet turning point where one track becomes another. It is read as a decision, sometimes made by someone else, that changes where the whole journey leads.
Where in your waking life have you met something like this lately?
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.