The victim, 62-year-old Tammie Jo Baker, was seen on camera entering the booth just moments before a pickup truck crashed into it.
Roadways were noticeably quieter during the evening rush-hour commute but the effects of new tolling program remain to be seen.
A toll increase is now in effect for drivers crossing the Delaware River.
Crossing the Delaware River Bridges will cost a dollar more come September 1
Officials say the increase is necessary to keep up with aging infrastructure and security.
Jennifer Rosen said she pays her tolls, but she still piled up nearly $18,000 in violations and fees over the course of a couple of years.