How do you calculate miles on a RW2 Route?

I want to put the nice COA mileposts on my Mt. Hood RR, but I can't figure out a way to actually measure the miles. Is there a method to use?
Secondly, I have the loader/unloader timber dock that is supposed to match the Michael Stevens flatcars. It's generating and loading two loads side by side, which stick out past the car ends. I've uninstalled and re-installed it with no success. Anyone have any other suggestions? Once this is resolved, the Dee Sawmill will be finished.
Secondly, I have the loader/unloader timber dock that is supposed to match the Michael Stevens flatcars. It's generating and loading two loads side by side, which stick out past the car ends. I've uninstalled and re-installed it with no success. Anyone have any other suggestions? Once this is resolved, the Dee Sawmill will be finished.