Glad to see your enjoying the improvements on the Huron and Mackinaw sub. One correction if I may, they are not moving at 60mph. I believe the goal was to get the speeds up to 40mph. There is an LSRC facebook group that gives daily updates and information on all aspects of this railroad. I've never seen anyone post that the speeds were over 40. And some of the posters are employees of said railroad. I think they would agree with what I just posted. Also, as far as transload sites, I think there is a small one near Greenwood north of Oscoda. Not sure if it is completed yet.
