Many Guests Are Trapped In Park

Been working on my first Sandbox park. I have one wide path down the middle with a Western town built up. I have a few rides. (That one wheel that spins with the suspended cars kinda like Witches Wheel at Cedar Point), a Giant Wheel, bumper cars, Ascendance and a custom Canyon Runner roller coaster that is partially under ground. (However, it does not go under any pathing).

For no reason, people get stuck at most of the exit paths, and sometimes just in the middle of the wide path. What did I do wrong?
 
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