Update Thursday 5.30pm
The Kings Highway has reopened in both directions at Mulloon, east of Bungendore, after a serious crash involving a truck and two cars.
The highway was closed between Goulburn Road and Mecca Lane.
Diversions have been lifted, and traffic conditions have returned to normal through the area.
A man has died following a multi-vehicle crash in the Monaro region.
About 12.15pm Thursday, emergency services were called to the Kings Highway, near Goulburn Road, Mulloon, after reports of a crash.
Upon arrival, officers from Monaro Police District found a Mazda sedan and a heavy vehicle had impacted, before the sedan and an Audi SUV collided head-on.
The driver and sole occupant of the sedan - a man aged 51 - died at the scene.
Police said the male driver of the heavy vehicle was not injured, while the male driver of the SUV - and his female front seat passenger - sustained minor injuries. A child in the back seat was not injured.
The Kings Highway East of Bungendore is closed, and diversions are in place at Bungendore township and Goulburn Road.
A crime scene has been established and police have commenced an investigation into the circumstances surrounding the crash.
A report will be prepared for the coroner.
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