I did a quick Google search and came across this info.
Eastbound I-20 Welcome Center (Exit Ramp) at Georgia state line, Aiken County
Eastbound I-20 Exit 58 (US 1) Exit Ramp, Lexington County
Westbound I-20 Exit 73A (SC 277) Exit Ramp, Richland County
Eastbound I-26 Welcome Center (Exit Ramp) at North Carolina state line, Spartanburg County
Eastbound I-26 Exit 111B (US 1) Exit Ramp, Lexington County
Westbound I-26 Exit 111B (US 1) Exit Ramp, Lexington County
Southbound I-77 Welcome Center (Exit Ramp) at North Carolina state line, York County
Southbound I-77 Exit 5 (SC 48) Exit Ramp, Richland County
Northbound I-77 Exit 5 (SC 48) Exit Ramp, Richland County
Northbound I-85 Welcome Center (Exit Ramp) at Georgia State line, Oconee County
Southbound I-85 Welcome Center (Exit Ramp) at North Carolina state line, Cherokee County
Northbound I-95 Welcome Center (Exit Ramp) at Georgia state line, Jasper County
Southbound I-95 Welcome Center (Exit Ramp) at North Carolina state line, Dillon County
Southbound US 17 Welcome Center (Exit Ramp) at the North Carolina state line, Horry County
Southbound SC 277 Prior to Harden Street Ext. Intersection, Richland County
Last edited: Jun 18, 2022