Interstate 26 (I-26) is a South Carolina Interstate highway running generally east–west from near Landrum, in Spartanburg County, to U.S. Route 17 (US 17), in Charleston, South Carolina. It is also the longest Interstate Highway in South Carolina.
East I-26 in South Carolina at milemarker 79, between Newberry and Prosperity.
Interstate 20 (I-20) is the main east–west Interstate Highway in the state of South Carolina, linking the state with important transportation and business hubs to the north, west, and south, including Atlanta, Georgia; Charlotte, North Carolina ; Savannah, Georgia ; and Washington, D.C.. I-20 travels 141.51 miles (227.74 km) west to east, from the Georgia state line at North Augusta, through Columbia, to end at I-95 in Florence. Past I-95, the roadway continues as Interstate 20 Business for about two miles (3.2 km) to U.S. Route 76 (US 76), which goes to downtown Florence.
Approaching the eastern end of I-20 on I-95