I am really annoyed by those scenario markers in the world. I have never used one, but always accidentally activate one, which results in the service thrown away and me sitting in a scenario i have already played. Good thing that there is an option to disable those. Bad thing.. It does not disable them, it just makes em invisible.. Specially damned are those ones placed near track. You want to open a door? Great, now you're in a scenario.. You want to couple those wagons? Great, play this scenario.. Please DTG, if i disable them, then disable them completely!