I had an idea, recently, about naming chapters or sections in my NaNo novel after road features. I picture, in a print version, at the beginning of each section is an image of a road sign, and then the applicable title. Like this:
So the bit with the diverging timeline would be called Fork Ahead. And Roundabout, pictured above, has something to do with a time loop. Those are the only ones I'm sure of at the moment. As though I'm ever sure of anything.