I builded a track from my coal mine to the main base and the train keep on saying "no path" until I manually move it to a specific spot or more, I tried to separate the track from my oil line (I cutted the line from itself but it doesn't matter because I'm testing it on the stop at the base.) and ...

I am used to play on two different computers. only one computer synchronizes saved data with the other but not the vise versa. How do I set the vise versa saved data between two computers?