It happened on the 11000 block of Knights Road around 8 p.m., PPD said.
The driver of a dark SUV pulled out of a parking lot and hit a woman before fleeing the scene toward Red Lion Road, according to investigators.
The victim was reportedly taken down the road to Jefferson Torresdale Hospital and placed in critical condition.
Anyone who recognizes the vehicle or driver is asked to call PPD's tipline at 215-686-8477 or submit an anonymous tip online.
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