A driver who exited her car and was fatally struck by a tractor-trailer along the shoulder of Interstate 80 in Warren County has been identified.

According to state police, 27-year-old Valdaishi Simpkins, of Irvington, died Monday.

Authorities say a Volvo tractor-trailer was traveling east on I-80 and entered the right shoulder where Simpkins’ Honda was parked and disabled. They say Simpkins was outside of her car and stopped on the shoulder when the tractor-trailer struck her.

The crash caused backups for miles during the morning rush around 9 a.m. State police and medical crews stayed on scene well into the afternoon.

The crash remains under investigation.