MANCHESTER TOWNSHIP, Pa. (WHTM) — A woman was killed after being hit by a tractor-trailer on the evening of Wednesday, Dec. 28, according to the York County Coroner’s Office.

The coroner’s office identified the woman as 37-year-old Kristi Why. After an autopsy was conducted, the coroner’s office said Why’s cause of death was blunt force injuries and her manner of death was accidental.

The coroner’s office said Why was reportedly walking with a friend in the area of Arsenal Road eastbound and the I-83 off-ramp when she fell and injured herself. Before she could get back up, the coroner’s office said, she was hit by a tractor-trailer that was exiting the off-ramp.

EMS came to the scene and attempted to revive Why, but she was pronounced dead at 9:10 p.m. Wednesday evening, according to the coroner’s office.

The coroner’s office said the tractor-trailer did not stop at the scene after striking Why.

Pennsylvania State Police are investigating the incident, the coroner’s office noted. Pennsylvania State Police said the tractor-trailer was described as a white trailer with unknown markings (pictured below), and they are attempting to identify the truck and/or truck company allegedly involved in the case.

Anyone with a dash camera who was in the area of Interstate 83 and Route 30 between 8:40 p.m. and 9:05 p.m. on Dec. 28, as well as anyone with information about the incident, is asked to contact State Police in York at 717-428-1011.