Thanks,
Ear Mountain. Good to know this well in advance. The construction will take out of service some of Glacier's limited lodging and camping options.
I imagine trail access through Swiftcurrent Valley might also be limited during the time frame stipulated, but possibly not, if a pedestrian thorofare is provided through the construction field.
Edit: From the Story Map on the site linked in the linked article:
Public use of the trail system would remain available.