Stella Mercuri, 91, of 168 Mill St., was a passenger in a sedan that crashed into the back of a box truck at the intersection of Boston Post Road and Brimstone Lane at 4:12 p.m. on Dec. 27, police said. Mercuri was flown by medical rescue helicopter to Beth Israel Deaconess Medical Center in Boston.
The driver of the sedan, Wendy Courtney, 39, also of 168 Mill St., was taken to UMass-Memorial Medical Center in Worcester. She has since been released, according to the state medical examiner.
The driver of the box truck, Scott Swanton, 40, of 331 Blucher St., Manchester, N.H., was not injured, police said.
The crash remains under investigation by the Sudbury Police Department, the Massachusetts State Police reconstruction team and the Middlesex district attorney’s office.