The deadly crash happened at MacDade Boulevard and Fairview Road back in April.
According to police, Damien Hocker was walking home from the gym when he was struck and killed.
Vigil held for 17-year-old killed in Delaware County car crash
Witnesses at the time said the driver initially left the scene but returned later. Police said the driver was interviewed and later released.
On Wednesday night, Hocker's parents -- Elizabeth and Doug-- attended a board of commissioners meeting.
They encouraged the board to cooperate with PennDOT's proposed plan to improve safety and reduce crashes along MacDade Boulevard.