A Vandalia woman was killed in a one-vehicle accident on Sunday afternoon.
According to the Illinois State Police-District 18, Ashley Seigel, 29, was eastbound on Ill. Route 185 south of Coffeen on a 2002 Harley-Davidson motorcycle when she lost control of the motorcycle.
The state police said that the motorcycle struck a guardrail, ejecting Seigel from the motorcycle.
Seigel was pronounced dead at the scene of the accident.
The ISP Traffic Crash Reconstruction Unit is continuing to investigate the accident.