A driver lost all of her possessions but was lucky to escape alive when a truck knocked her into Taupo Stream in Plimmerton on Tuesday.
Christchurch woman Melissa Holdem, 22, was travelling north at 2pm when a truck cut across her lane on State Highway 1, 50 metres north of the Palmers roundabout in Plimmerton.
Ms Holdem was in the left-hand lane when the truck moved across from the right-hand lane and flipped her 2004 Mazda four metres across a grass bank, through a chain-link fence and into the stream two metres down. The truck did not stop, and its whereabouts are unknown.
Witnesses were unable to free Ms Holdem, and she remained trapped upside-down in the car until firefighters freed her at about 2.20pm.
She escaped with minor bruising. Her car was written off.
Ms Holdem was travelling to Auckland to start a new job in a trucking company. Her luggage, laptop, camera and valuables were all in the car.
''I'm gutted, I'm absolutely gutted,'' she said.
Despite the loss of her car and possessions, Ms Holdem said she was lucky to walk away from the crash.
''Someone's watching over me.''
Police are seeking a white tractor unit which has its cab over the engine, a red chassis and yellow dealer plates. It is possible the truck driver did not realise the accident happened, police say, but Ms Holdem doubted that was possible.
''If he didn't know, you can certainly see me going off the road.''
Ms Holdem was involved in an eerily similar crash on Friday, April 13 this year - an Australian tourist unfamiliar with New Zealand road rules T-boned her at a roundabout in Christchurch.
Porirua constable Wolfgang Haist said today's crash would have been much worse had Ms Holdem been travelling over 50kph, and if the creek water had been deeper than 30 centimetres.
- Kapi-Mana News