the more rides you go past with these types of rides the better. A go-kart track usually isn't that exciting, but after taking mine around an entire park... past tons of rides and especially roller coasters, it had an excitement of 21!
Try and go underground, above ground, next to paths and as close to other rides as you can get, through the inversions of coasters if possible.
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www.angelfire.com/in3/rct