Update: Highway reopened after crash at Tarlee

Just after 9.30am on Friday 6 December, patrols were called to Horrocks Highway after reports of a car and truck collision.

The driver of a Ford Everest SUV, a 72-year-old man from Riverton, was taken to hospital by SAAS where he is being treated for non life-threatening injuries.

The passenger of the vehicle, a 74-year-old woman from Riverton, was flown to hospital where she is being treated for critical injuries.

The truck driver, a 64-year-old man from Clare, was taken to hospital for mandatory testing.

The Horrocks Highway was closed to all traffic between Molineux Road and Vandeleur Road/Charles Street intersection for several hours but was reopened about 4.45pm.

Anyone with information on the crash who hasn't yet spoken with police is asked to contact Crime Stoppers at www.crimestopperssa.com.au or on 1800 333 000. You can remain anonymous.