There is heavy traffic in both directions on Drayton High Road, in Norwich.
Two cars, a blue Nissan Micra and green Toyota Avensis, crashed at around 12.10pm today near the Hellesdon Hospital.
The police, ambulance and fire service are at the scene.
One of the vehicles was in the middle of the road and firefighters from Earlham made the scene safe.
An ambulance crew is treating two women, both are out of their vehicles and walking around, and emergency services added they are not believed to have been seriously injured.
Officers are providing traffic control and waiting for the vehicles to be recovered.
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