South Carolina Highway 28 (SC 28) is a 131.220-mile (211.178 km) primary state highway in the U.S. state of South Carolina. It consists of two segments of highway signed as east–west but physically traveling north–south from the Georgia state line near Mountain Rest to Beech Island. It is part of a continuous highway separated by a 17.5-mile (28.2 km) stretch through Augusta, Georgia.