At about 5pm on Wednesday emergency services were called to Scenic Drive near Beaumont Lane, Young, after a passing motorist found a Toyota Prado had left the roadway and rolled.

The driver, a 21-year-old woman and her passenger, a 43-year-old woman died at the scene.

Roadcraft Driving Services' Paul Dawson said it was a tragedy that two women's lives had been lost at Young and another two men had died in a crash near Lithgow over the course of 24 hours.

"It's shocking and people have just got to look out. It's holiday time now, so don't drive when you are tired, take an extra few hours or pull over and have a sleep. Don't keep pushing yourself," he said.

"Speed is still the biggest killer, we know that. You don't gain much by exceeding the speed limit, you might get there earlier than by the length of one car. It's not worth it."

The Riverina Police District's road toll continued an upward trend during 2021 with 17 deaths, up from 14 in 2020 and 10 in 2019.

This was despite the NSW road toll for 2021 falling to 270, which was 14 fewer deaths than in 2020 and the lowest recorded in the state since 1923.

Wagga driver instructor Glen Gaudron said one issue could be contributing to higher numbers of crashes.

"I wouldn't be surprised if it was the condition of the roads, they are absolutely atrocious," he said.

"I was over in Mildura a couple of days ago and the roads there were bloody magnificent. You would struggle to find a pothole. When you get back to the Wagga area, you get potholes everywhere," Mr Gaudron said.

The Riverina Police District's road toll is more than triple the surrounding districts, with the Murray River losing three people while the Murrumbidgee saw five deaths.

Mr Gaudron said he saw a lot of young drivers making the same mistakes when it came to road safety.

"A lot of people are still tailgating far too much. That's probably the biggest mistake a lot of young drivers make: they get up close to the car in front and there's no room for error," he said.

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NRMA head of media Peter Khoury said the Riverina's road toll could be due to the higher number of busy two-lane highways and drivers neglecting to drive to the conditions on roads they were familiar with.

"Regional NSW is still over-represented in fatalities; about 70 per cent of the deaths on the state's road happen outside Sydney so we are not surprised there are areas of regional NSW that consistently perform worse," he said.

"The Hume Highway is a lot better than it used to be but regional roads and regional highways tend to be less safe," he said.

"Drink driving statistics are going up and there are fewer public transport options to get home in the regions."

NSW Minister for Regional Transport and Roads Sam Farraway urged all drivers to do their bit to ensure they and other road users get home safely.

"In the bush, distance often means more time spent on the road and it's all too easy to become complacent about road safety," Mr Farraway said.

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