A St. Elmo woman was killed early Monday morning in Fayette County. That accident occurred just after midnight. 32-year-old Crystal Snider was walking east on U.S. Route 40 with a friend when she was struck by a car driving eastbound. Fayette County Coroner Bruce Bowen pronounced Snider dead on the scene at 1:12am. The accident remains under investigation by the Illinois State Police and the Fayette County Coroner. An autopsy will be conducted today in Effingham.