It happened around 7:00 a.m. at the intersection of Germantown Avenue and Pleasant Road in Plymouth Township.
The man, who has not yet been identified, was struck by a car driven by a 65-year-old woman.
The victim was rushed to Mercy Hospital in serious condition.
The driver, whose name has not yet been released, was also taken to the hospital for observation.
The investigation into this crash continues.
Pedestrian rushed to hospital after Montco crash.