Search teams scoured a riverbank of the Hutt Valley after a man jumped from a bridge after a nighttime crash.
At the Kennedy Good Bridge at Avalon, Lower Hutt was on Sunday a single crash crash at 12.40 hours, police said.
Witnesses saw the driver get out of the car and jump over the edge of the bridge.
Helicopters were in the spotlight in search of the driver in the early hours of Sunday.
The search continued until Sunday morning.