There were three crashes within 70 minutes in the region on Thursday.
A woman in her 30s was taken to hospital following a two-vehicle crash on Battery Rd in Napier at 3.40pm, a police spokeswoman said.
A St John Ambulance spokeswoman said one ambulance responded to the call, transporting the woman with moderate injuries to Hawke's Bay Hospital.
A Hawke's Bay District Health Board spokeswoman said the woman is stable.
The road was blocked and diversion was in place.