UPDATE: Serious crash at Snowtown

An 87-year-old woman from Snowtown has been airlifted to the Royal Adelaide Hospital with serious injuries when her car and another car collided at the intersection of the Augusta Highway and North Terrace.

Just before 9 am on Monday August 20, police were called to the Augusta Highway after a two car collision.

The driver of the other car, a 48-year-old woman from Wandearah East was treated for minor injuries at the scene.

The Augusta Highway was closed for several hours while emergency services were at the scene but are now open.