Man dies in four car and truck crash southwest of Adelaide

A man has died after four cars and a truck collided southwest of Adelaide.

Emergency services rushed to Southern Expressway in Huntfield Heights about 4.50pm yesterday after reports of the multi-car crash.

They arrived to find one of the drivers, a 58-year-old man from Christies Beach, had died at the scene.

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The drivers of the other vehicles were taken to hospital and are being treated for non-life threatening injuries.

Southern Expressway and Main South Road at Huntfield Heights were closed for a few hours as police investigated but has since reopened.

The man is the 44th person to have died on the roads in South Australia so far this year.