The accident happened around 4:00 p.m. near the intersection of Tilghman and 18th streets.
The view from Chopper 6 HD showed a box truck with a Jack and Jill logo.
The back of the truck was covered with a white sheet.
Initial reports indicated the victim was a child. The Lehigh County Coroner later said the victim was a 42-year-old woman.
Her name was not being released.
There was no immediate word on how the accident happened.
A police investigation continues.
