As an addendum to the source, Bing Streetside shows the route signed as James H. Quillen Parkway shortly after the NC border. It carries this signage well into Kingsport.

Also, the extra trunk links for the turning lanes appear redundant as there's no physical separation of the lanes.

You deleted a valid road that connects Netherland Inn Rd. to the new Weigel's and ECU.

You deleted the new(ish) Weigel's and Eastman Credit Union branch.