Something I learned just today... When you give a "drive to" Marker a name, keep the name about 12 letters or shorter. Long names will sometimes cause an A.I. to screw up. I experimented on this and my experience found it to be true.
Thanks for that. I have been having all sorts of problems with my hacked-about and modified Tidewater Point and this could be why the dockside switcher keeps failing to enter Mapleton Yard to drop off its consist and fouls the high speed stuff flying out of the portals on the main line. I'll modify the track marks from names like "MapletonYardTrack1WestEntrance" to something a little shorter...