An Elkhart woman was killed in a crash on U.S. 12 in Cass County.

The collision happened just after 2 a.m. on Sunday, March 21, east of Anderson Road in Milton Township.

The investigation indicates that the driver, Casey Butler, 34, lost control of her vehicle. It went off the roadway and overturned.

Butler was not wearing a seat belt, according to the Cass County Sheriff’s Office.

Factors into the crash remain under investigation.