It seems that the 'current' US17Bus_S point on US-17 should be in a different location. To me, it seems like that area is two separate functional interchanges instead since US-17 can't access the point were it's currently located & the US-17Bus/NC-24/NC-53 being a full interchange itself.
If it was me, this is how I would do this area: (MonLanRd also recentered below)
nc.us017:
US17Bus_S http://www.openstreetmap.org/?lat=34.739902&lon=-77.460630
NC24/53_W http://www.openstreetmap.org/?lat=34.739999&lon=-77.451725
+x55 http://www.openstreetmap.org/?lat=34.730433&lon=-77.428851
MonLanRd http://www.openstreetmap.org/?lat=34.743658&lon=-77.413155
NC24/53_E +NC24_E http://www.openstreetmap.org/?lat=34.747299&lon=-77.408316
nc.nc024:
US17Bus http://www.openstreetmap.org/?lat=34.745007&lon=-77.457175
US17_S http://www.openstreetmap.org/?lat=34.739999&lon=-77.451725
+x115 http://www.openstreetmap.org/?lat=34.730433&lon=-77.428851
MonLanRd http://www.openstreetmap.org/?lat=34.743658&lon=-77.413155
US17_N http://www.openstreetmap.org/?lat=34.747299&lon=-77.408316
nc.nc053:
US17Bus http://www.openstreetmap.org/?lat=34.745007&lon=-77.457175
US17_S http://www.openstreetmap.org/?lat=34.739999&lon=-77.451725
+x100 http://www.openstreetmap.org/?lat=34.730433&lon=-77.428851
MonLanRd http://www.openstreetmap.org/?lat=34.743658&lon=-77.413155
US17_N http://www.openstreetmap.org/?lat=34.747299&lon=-77.408316
nc.us017busjac:
US17_S http://www.openstreetmap.org/?lat=34.739902&lon=-77.460630
NC24/53 http://www.openstreetmap.org/?lat=34.745007&lon=-77.457175
This would require an update entry for nc.us017busjac due to the extension down to it's proper end. It would gain about .4 miles that way.