Going from The Racers, back to the river is the boundry, the rest I do not know, but the terrian has so many inclines, some of that terrian is "unusable".
Well look at my profile picture, and you could tell . Basically a revamp of RT and OF area, i dont think KI will fly or die on SOB this upcoming season.
EDIT: This should give you more insight on one of the things
http://www.KICentral.com/bbay/
Loyalties could get you the answer in a heart beat. This is technically being talked about at http://www.KICentral.com/forums/index.php?/topic/25816-building-an-area-at-kings-island/
Yes, it was that procedure happened last year. Funny story, the man was dunking the doll, people saw it, and started screaming stop man stop! Then the management had to explain what was happening.
Heres the most bogous theory out there
Ehm A magic troll decided to put his troll face on and rode the magic unicorn and stopped the ride by throwing up rainbows!
Now on to the main theory probably the chainlink, and or some lift malfunction that occured.