So far, police say they have followed up on leads in Philadelphia and in Montgomery County. They ask anyone with information to give them a call.
Authorities closed the busy highway between Interstate 295 and the Pennsylvania Turnpike during the morning rush as they investigated the deadly crash. Roads around the site were backed up as drivers tried to get through the area.
Police have not released details about the hit-and-run driver or the type of vehicle they were driving.
Ridgway's brother, Michael Egan, organized a GoFundMe account for her funeral expenses.