In the Riverina Police District this year to date, there have been nine crashes resulting in 10 deaths.

The number of fatalities took a slight dip compared to the same time period in 2018, which saw 12 crashes resulting in 13 deaths.

The most recent was the death of Mal Hackett, 51, who was discovered by a passing motorist on the side of Red Hill Road at Glenfield Park just hours after leaving his daughter's engagement party late last month.

The Riverina Police District and the Crash Investigations Unit in Sydney worked together and on Monday charged a 57-year-old man with failing to stop and assist after vehicle impact causing death.

In September, a woman died following a single-vehicle crash in Old Junee and in August, a man died after a motor vehicle collision on the Old Hume Highway in Tumblong.

The first incident of the year was in January, when two people were killed in a fiery crash on the Burley Griffin Way near Temora.

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NSW Police southern region traffic tactician Acting Inspector Andrew Palmowski said one decision on the road could bring life-long consequences.

"Fatal crashes have ripple effects which impact dozens of people. It can tear at the heartstrings of communities," he said.

"Expect to see more police on rural roads - on the back roads, on the main roads, out there watching, working hard to reduce rural road trauma and to make sure everyone gets to their destination safely."

Inspector Palmowski said drivers needed to realise that speeding, texting while behind the wheel, being under the influence of alcohol and drugs, and other irresponsible behaviours could have devastating effects on their own lives and the lives of others.

"Road safety is everyone's responsibility," he said.

"If every road user takes personal responsibility for their actions, it will save lives. It's that simple."