It happened on Wednesday at 6-30 a.m. on Grand Avenue near the Johnston Ave intersection.
Police say a different driver called 911 after he accidentally hit the woman who was lying injured in the road.
They say earlier the woman was hit by a silver four-door sedan and the car drove away.
Anyone with information is asked to call the Hudson County Prosecutor's Office at 201-915-1345 or leave an anonymous tip on the Hudson County Prosecutor's website. All information will be kept confidential.