A semi-tractor trailer driver has been injured after veering his vehicle off the road late Saturday afternoon. Around five pm, the Dallas County Sheriff’s Office and Dallas County medical personnel responded to a single vehicle accident on I-80 westbound near mile marker 103 in Dallas County. The driver was transported to an area hospital to be evaluated. His condition is unknown at this time and the accident is still under investigation. Raccoon Valley Radio will bring you more details as they become available.