WILLIAMSON COUNTY, IL — Illinois State Police continue to investigate a one-vehicle crash that severely injured a Johnston City woman Friday night in Williamson County.

30-year-old Carmen Colson was driving south on Illinois 166 near Atlanta Lane around 6:15 p.m. when she ran off the road to the right, struck a mailbox and overturned several times. Colson was ejected from the vehicle and was flown to a regional hospital with life-threatening injuries.

The roadway was closed for one hour. The crash remains under investigation. No further information is available.