The moment I tried to build similar thing, I faced the same issue. Setting station limit to 0 or disabling it, that was suggested above, doesn't trigger train to leave. The only workaround is to build "exit station" in front of "station". But it has to be some distance away from ...

What did you do? Clicked on a train and opened schedule window. Scrolled down to interrupts. Tried deleting an interrupt and part of the schedule at the bottom of the window. What happened? Delete button "x" at the bottom of the screen can't be focused/clicked by mouse cursor. When I try t...