A 75-year-old WaKeeney man was killed in a one-vehicle accident Monday in Trego County.

According to information from the Kansas Highway Patrol, James M. Opat lost control of his vehicle after driving over some washboards heading eastbound on M Road. His 1997 GMC passenger truck entered the south ditch and overturned, coming to rest on its wheels.

The accident occurred at 11:45 a.m. Monday, approximately 0.4 miles west on M Road from 240th Avenue Alternate. He was not wearing his seat belt, according to the report.

Opat was taken to a local mortuary.