COLUMBIA, S.C. (WOLO)– An accident that backed up traffic on I-20 early Friday remains under investigation. SC troopers say they responded to the fatal collision Friday morning, October 9, on I-20 east near mile marker 70. According to investigators, before 6 a.m. a tractor-trailer was left dis abled on the roadway due to a mechanical issue when an RV struck the rear of the trailer. The RV driver died on scene from their injuries. The Richland County Coroner’s Office has not released the identities of the victims mentioned at this time as the investigations continue. Categories: Local News, Richland Tags: highway patrol, S.C. Highway Patrol, Sc Highway Patrol, SC Highway Patrol trooper, South Carolina Highway Patrol ...read more read less