Repro Steps
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Press Up on keyboard when standing under a sign post.
Expected Behavior
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Climb it or go through to the next Street.
Actual Behavior
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3 different variances.
1. If there is only 1 sign you will immediately teleport to the next street.
2. When standing you will simply "latch" onto the signpost and it will enlarge allowing you to select different streets with a highlight style.
3. If you jump at a signpost and press Up your character will latch on like a spider monkey.
It's really weird, definitely seems buggy.