A Naicam woman has died following a two vehicle collision south of Pleasantdale.

The accident occurred at around 1:15pm on Monday, when a SUV and truck and trailer collided on Highway 6.

The female driver of the SUV died at the scene, while all other vehicle occupants in both vehicles were treated at the scene by Emergency Services.

An initial investigation has led police to believe the southbound SUV and northbound truck collided on the road, though a specific cause is not known at this time.

Highway 6 was closed for around four hours while an investigation took place.