Williamson Co. – Williamson County Coroner Junior Burke says an autopsy will be done today on the body of a 90-year-old woman who was killed in a crash involving her car and a semi around 11:30 yesterday morning on Route 148 just north of Ogden Road in Williamson County. Burke says the woman was going north on 148 when it appeared she crossed the center line and struck the southbound semi. Burke pronounced the woman dead at the scene just before noon. Officials are withholding her name at this time. Illinois State Police and the Williamson County Coroner’s Office is still investigating the crash.