Police are on the scene of a single-vehicle fatal crash which occurred in Gordon this morning, Victoria Police say.
It appears the female driver was travelling in the right lane westbound on the Western Freeway when she struck a barrier causing the vehicle to roll onto its roof just before 11.30am.
The driver died at the scene.
Her female passenger sustained lower leg injuries and was airlifted to hospital.
West bound traffic along the Western Freeway is being diverted at the Daylesford Ballan road along the Old Melbourne Road.