About 1.30am on December 19, 2018, emergency services were called to River Road, Wantabadgery, about 40 kilometres east of Wagga, after a passing motorist saw a body on the road.

The driver stopped to render assistance and discovered it was the body of a teenage boy who has been since been identified as Braydon Worldon.

Strike Force Dunstable was established by detectives from Riverina Police District to investigate the circumstances surrounding the crash.

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The teen was last seen alive during the evening of December 18 and police believe he may have been hit by a heavy vehicle, fitted with a bull bar, travelling along River Road.

Braydon was believed to be on foot and walking near his grandfather's house.

Police are seeking any information from the public in relation to heavy vehicles that use River Road, Wantabadgery as well as those that may have been in the area on the night of the incident.

Riverina Police District Crime Manager, Detective Inspector Adrian Telfer, said police are leaving no stone unturned.

"We are continuing to follow up on information provided by the public as well as our own avenues of investigation," he said.

"We want to be able to provide answers to Braydon's mother, Crystal, and the rest of his family regarding the circumstances of Braydon's death.

"Any information that can be provided by the public is invaluable."

A Coroner's Inquest into the circumstances surrounding Braydon's death has been listed for hearing at Wagga Coroners Court on March 30.