Where was the park that had a roller coaster with a 90-degree banked turn located?
Wooden roller coaster:  Ravine Flyer II at Waldameer Park has a 90-degree banked turn, T Express at Everland in South Korea with a 77-degree drop, and Outlaw Run at Silver Dollar City which has 3 inversions and 120-degree overbanked turn.
i don't know