Loewchen, I confirmed the behavior that you described. Removing the station in-between corrects the pathing. NaB. Thanks!

Greetings developers,

After 3 years of playing, I am pleased to file my first bug report. Applies to 0.18.

Steps to reproduce:
1. Load attached save file. The player should be in the train.
2. Set the train to Automatic. Its destination is a point near "Copper Mine 3" in the northeast.
3 ...