About 7.15pm on Monday, emergency services responded to the scene at the Olympic Highway near Burkes Creek, just north of The Rock, after reports a Toyota and motorcycle had collided.

Officers from Riverina Police District and NSW Ambulance paramedics attended and found the motorcycle rider critically injured.

Despite CPR efforts, the man died at the scene.

Superintendent Bob Noble said the rider was a 50-year-old man from the Australian Capital Territory.

He was travelling with someone at the time of the incident, and Superintendent Noble said crash investigators had conducted a detailed examination of the scene.

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"The driver of the car is still in hospital and still being treated, so it's hard for us to nail down 100 per cent the narrative in respect to what occurred there," he said.

"The cyclist is unable to be interviewed because sadly he lost his life in that collision.

"His next of kin have been informed, and I am sure that is a matter of great sorrow for them. At the age of 50, you still have so much of your life in front of you."

It was the second fatal during the Queen's Birthday long weekend after a woman died in a two-vehicle crash on the Sturt Highway outside Wagga on Saturday.

Superintendent Noble said that crash is also still under investigation.

"Initial accounts at the scene, and I was at the scene on Saturday, was that one of the vehicles veered onto the other side of the road," he said.

"This is a matter that will go before the coroner.

"This was a young woman, only 18 years of age, out on a Saturday and unfortunately so suddenly and tragically their young life ended."

Superintendent Noble said he witnessed poor driver behaviour while out on the roads in the Riverina.

He urged all residents to be careful and drive to the conditions after two lives were "snuffed out".

"There are a lot of distractions in motor vehicles now, and that is even without telephones which are a killer of people behind the wheel," Superintendent Noble said.

"People need to be vigilant about driving distractions, fatigue, maintaining a safe speed and leaving reactionary gaps.

"Most of these collisions that take these lives are avoidable."

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