Fire and Rescue NSW Riverina Zone Superintendent Stewart Alexander said a heavy vehicle tow truck was working to remove the truck from the scene.

"It was just the one vehicle involved, and thankfully no injuries were reported for the driver," he said.

"We beleive the truck was carrying woodchips, and the crash left some oil and diesel spilled over the road which our crews are busily working to clean up."

Superintendent Alexander said the cause of the accident remains unknown.

Earlier:

TRAFFIC has been diverted in the Snowy Valleys following reports of a truck crash.

Fire and Rescue NSW crews are currently on scene just south of Tumbarumba where initial reports state a heavy vehicle has crashed along Tooma Road about 8am today.

Crews are working to clean up a fuel spillage resulting from the accident, with traffic diverted while the scene is cleared.

There are no reported injuries at this stage.

It is not yet known if more than one vehicle was involved in the accident or what caused it.

NSW Ambulance have been contacted regarding the incident, with more details to follow.

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