Police are investigating the circumstances surrounding a fatal collision which occurred in Wyndham North on 16 June.
Investigators understand two vehicles collided near the intersection of Boundary Road and Davis Road about 4.20pm.
The occupants of one of the vehicles, a male driver aged 40 and three female passengers aged 71, 37 and 5 years-old all from Tarneit, were transported to hospital with non-life threatening injuries.
The 71-year-old woman later died in hospital.
The 68-year-old Newport man in the second vehicle was transported to hospital with minor injuries for observation.
The investigation into the exact cause of the collision remains ongoing.
Anyone who witnessed the collision or with dash-cam footage is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au