I've attached a copy of the save game, interestingly a previous iteration of the same game runs fine biggest difference being much of the rail system. Right now though they're not even able to complete a connection to the game as the catch up portion flies to about 70% and then slowly falls ...

I understand what you're saying but it doesn't make sense. This has been working fine for quite a while and just started suddenly. Basically working fine when saved one day, loaded the next and they were having this problem.

Version: 0.17.58 (build 46193, win64, steam)

This had been working without issue until a few days ago. We are on a gigabit LAN and are both running fairly high end machines. Player 2 has no issues at all with solo play but when they try to join my game it can take 5-10 minutes to join. Once they ...