I imagine it'll be one of three options:
They just direct people to go the long way around, under what was Fountain of Nations (rip), as the only way to get through.
They have the walkway to the North, above Art of Disney, setup before starting demolition. It looks like they're working quick on...
Is the Photopass area that was temporarily behind Pin Traders still open?
It looks like they're moving from 4 stations down to 2. I'm sure they have usage data for those they can rely on.
Man the more I look at that concept art of the overview of the entire park, the more weird it looks to just have one half of Innoventions standing, especially if the festival center isn't even going to open for 3+ years.
I feel like they could still demolish part of Innoventions and have it be...