Merge Onto I-85 S Toward Gastonia. Use The Left Lane To Take The Ramp Onto I-85 S. Continue On I-85 S For Approximately 2 Miles. Take Exit 38 To Merge Onto I-77 S/Us-21 S Toward Columbia. Continue On I-77 S For About 5 Miles. Take Exit 1B To Merge Onto I-485 N Toward Pineville. Merge Onto I-485 N And Continue For Approximately 17 Miles. Take Exit 51B To Merge Onto Us-74 E Toward Monroe. Merge Onto Us-74 E And Continue For About 12 Miles. Take The Exit Toward Monroe. Merge Onto Us-601 S And