Man killed, woman injured in Tas crash

A young man is dead and a young woman is fighting for her life after their car collided with a Land Cruiser in Tasmania.

The Hyundai sedan was being driven along the Arthur Highway at Dunalley when it crossed on to the wrong side of the road, and hit the Toyota heading in the opposite direction at about 1.50pm on Thursday, police say.

An 18-year-old man was killed instantly and the 18-year-old woman driving was also seriously injured.

She was treated at the scene before being flown to Royal Hobart Hospital in a critical condition.

The 58-year-old driver and his 56-year-old passenger in the Toyota, both from interstate, were taken to Royal Hobart Hospital for treatment, where one remains in a stable condition.

The Arthur Highway was closed for four hours while police inspected the scene.