It happened at West Lehigh Avenue near North Mascher Street just after 1 a.m. on Thursday.
Preliminary reports indicate that a gold-colored SUV was traveling westbound on Lehigh Avenue when it struck a 26-year-old pedestrian in the roadway and fled the scene.
The victim was rushed to Temple University Hospital in critical condition.
They also found scattered car parts, sunglasses and a pair of sandals in the road.
Investigators have not found any surveillance video that captured the fleeing driver.