Two people died, and the Kamilaroi Highway was closed for many hours, after a head-on crash involving two road trains near Brewarrina on Saturday.

Emergency services were called to a bridge on the western side of Brewarrina, 100km east of Bourke, about 7pm, after the heavy vehicles crashed and caught fire.

Both drivers died at the scene; neither has been identified, police said.

The Kamilaroi Highway was blocked in both directions with local diversions.

Officers from Central North Police District will be investigating the circumstances surrounding the crash. A report will be prepared for the information of the Coroner.

Anyone with information or dashcam vision relevant to this investigation is urged to call Brewarrina Police or Crime Stoppers on 1800 333 000

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