She was driving a minivan east on U.S. Highway 30 near Goodwin Drive about 2:30 p.m. when the van crossed into the westbound lane and was struck by a semi, Oswego police said in a news release.
Borga was taken to Rush-Copley Medical Center, where she was pronounced dead.
The truck’s driver, identified as Joe Clark, 68, of Oswego, was also taken to Rush-Copley Medical Center, police said. His condition had not been updated, but police earlier said he was expected to survive.
No other people were in either vehicle, and no other vehicles were involved, police said.