Witnesses to a rollover crash in Clairemont said street racing may be to blame.

The crash occurred Friday evening on the onramp to State Route 52 eastbound from Interstate 5 northbound.

According to witnesses, the car knocked over a lamppost and a road sign when it flipped into the embankment.

They said the other vehicle involved stopped briefly and then fled the scene.

All three people inside the crashed car were able to get themselves out.

They were treated at the scene and released.