The incident was caught on surveillance video on Monday morning. In the video, it appears the light turns green for traffic and pedestrians.
RAW VIDEO: 12-year-old girl injured in San Jose hit and run collision
The 12-year-old girl started walking in the crosswalk but the car turning left doesn't yield to her and hits her. The girl climbs back up to her knees as a car coming the other direction stops and that driver gets out and appears to help out the girl.
The 12-year-old was taken to the hospital with injuries not considered to be life-threatening.
As for the car that hit her, a 4-door Toyota Camry, another surveillance camera shows it pull over briefly, before taking off.
The driver of the Camry is described as a woman in her 40s or 50s.