Double-checked this on Friday the 20th. The signage from southbound 222 in the field has unequivocal "North 863" arrow signs at the entrance from south 222 into the roundabout, another leaving the roundabout at Schantz, and a third aiming off onto Independent/863. None of these signs have "TO" on them nor even room for it.
There is no signage from northbound 222 except for the construction sign.
If we are indeed going by actual signage in the field, I reiterate that we really should wait to see how PennDOT actually signs it upon completion of the project.