Emergency services were called to the Hume Highway at Sutton Forest about 6.30pm on July 19 where they found a sedan and a southbound semi-trailer had collided near Golden Vale Road.

Two women travelling in the sedan, aged in their 70s, died at the scene.

The driver of the truck, a 66-year-old man, was not injured and was taken to Bowral Hospital for mandatory testing.

Officers attached to The Hume Local Area Command attended and established a crime scene, which was forensically examined.

Police will investigate the circumstances surrounding the crash and are urging anyone with information to contact Crime Stoppers on 1800 333 000.

Police wish to remind people they should not report crime information through the police Facebook and Twitter pages.