William Jacobs, 58, of Weymouth, was hit on Southern Artery near Broad Street in Quincy around 7 p.m. Monday, March 17, the Norfolk District Attorney's Office said.
Paramedics rushed him to an area hospital, but doctors were unable to save his life. He died Tuesday morning, the prosecutor's office said.
The driver, an 82-year-old Quincy man, remained at the scene and was not injured, police said.
No charges have been filed as of Friday afternoon. Quincy police and the Norfolk District Attorney's Office are investigating the crash.
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