Live Chat I-20 Community Nearby Traffic I 20 exit 18 2024-06-12 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-20 Exit 18 Graniteville, SC 6.36 Trenton, SC 9.08 Warrenville, SC 9.93 Interstate highway exits close to I-20 Exit 18 Exit 11, i20 2.92 Exit 18, i20 7.35 Exit 5, i20 12.73 Interstate highways close to I-20 Exit 18 i20 map 2.92 i26 map 76.36 i77 map 77.10 State roads close to I-20 Exit 18 SC 191 map 1.32 SC 118 map 6.45 US 1 SC map 7.12