[UI] Incorrect Types

[williamschen23]

Describe the bug

ShuttleRouteData is the wrong type as inside of route.json, there exists ENTRY1, EXIT1, and EXIT2. This means that the type is incorrect, and the way that we use the json might have to change.

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior

The typing should be correct

Screenshots

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Smartphone (please complete the following information):

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Additional context