(NASHVILLE, IL) — A Centralia woman was injured in a single-vehicle accident in Washington County yesterday.  According to the Illinois State Police, 61-year-old Stacey Smith was driving east on Illinois Route 15 near Orchard Road when her vehicle drifted off the road.  Smith overcorrected, left the roadway and hit a ditch, resulting in her car rolling onto its top.  She was taken by ambulance to a local hospital with what were described as minor injuries.  The road was closed for approximately an hour for cleanup and crash investigation, and the car was towed.  Smith was charged with improper lane usage.