One woman has died after a terrible crash on Highway 107 outside Dartmouth this afternoon.

Police say a west-bound car crossed the centre-line, slamming-into anther car heading east between exits 17 and 18, over the lunch hour.

The driver of the first car was airlifted to hospital where she later died.

The driver of the second car was treated at the scene and released.

A pickup truck was also involved but none of the people in vehicle were hurt.