Williamson Co. — A truck driver and passenger are recovering after a semi-rollover accident in Williamson County early this morning. According to State Police accident reports, the accident happened at the I24 Westbound-I57 Northbound on-ramp when dense fog caused the driver to attempt to exit before the ramp. Upon attempting to recover, the driver overcorrected and rolled the semi onto its side. Both the driver and passenger were taken to local hospitals with minor injuries. The driver was cited with improper lane usage.