The collision happened near the Garners Ferry Road exit. Credit: Trooper David Jones/SC Highway Patrol Author: WLTX Updated: 12:33 PM EDT May 27, 2021 COLUMBIA, S.C. — Traffic is moving normally again on Interstate 77 in Columbia after a crash between a tractor-trailer and a dump truck. The incident happened in the southbound lanes at Exits 9 A and B, which is the Garners Ferry Road exit, just before 10 a.m. Troopers say a tractor-trailer and dump truck were traveling north at that location when the tractor-trailer struck the rear of a dump truck. The dump ...