Police on Monday were unable to give the name of the woman, who died on Sunday when the car she was driving left Old Tumbarumba Road and hit a number of rocks and trees.

Police on Sunday said the woman was 83, but on Monday said she was 81 and from Glenfield Park in Wagga.

Police said the woman's car was travelling downhill on a straight section of road when for an unknown reason it veered to the eastern side of the road and continued on through long grass before hitting the rocks and trees.

The woman died at the scene.

Meanwhile, five people were injured - one seriously - when a vehicle overturned on a property at Sandigo, near Narrandera, about 2.30pm on Monday.

Ambulance media said the crash happened on the property Dellapool.

The property is being developed as a hazelnut farm and it is believed the injured may be farm workers.

Three males and two females - all believed to be aged in their 20s - were hurt.

Two males and one female were taken by ambulance to Narrandera District Hospital with minor injuries.

The second female was taken to Wagga Base Hospital with a suspected broken arm.

The third male was also taken to Wagga Base Hospital with serious shoulder, chest and back injuries.

He was later airlifted to The Canberra Hospital in the Snowy Hydro helicopter.

Later on Monday, a 49-year-old woman was taken to Wagga Base Hospital after being injured in a two-car crash on Edward Street.