Authorities have released the name of a 54-year-old O'Fallon woman who died Friday after she was trapped beneath her car following a collision with a tractor trailer as she attempted to drive onto Interstate 55-70 near Troy.
Debora Daugherty-Henderson of 804 Cypress Court, was declared dead at the scene by Madison County Coroner's Investigator Kelsey Wofford shortly after the mishap, which occurred about 9:52 a.m.
According to Madison County Coroner Stephen P. Nonn, Daugherty-Henderson died of asphyxiation as a result of being ejected through the sunroof of her 1999 Chevrolet Malibu after it became airborne and collided with the truck. Despite wearing a seat belt, the victim was nevertheless thrown through the sunroof and was pinned under the overturned car.
The Malibu was traveling west on U.S. 40 before Daugherty-Henderson turned onto the entrance ramp to the interstate.
The Illinois State Police investigated the crash as well. Funeral arrangements were pending at Wolfersberger Funeral Home of O'Fallon.