Also, US 17/US 80/SR 25/SR 26 was shifted onto I-516/SR 21. Part of the former path, on Broad Street and Bay Street, was redesignated as part of US 17 Alt./SR 25 Alt. Also, SR 26 Conn. in Savannah was decommissioned.
The routes US 17/US 80/SR 25/SR 26 were changed to use I-516/SR 21. A section of the former route on Broad Street and Bay Street became part of US 17 Alternate/SR 25 Alternate.  Additionally, SR 26 Conn. in Savannah was removed from use.