A woman has died and a man is in a critical condition after their car veered off a NSW Central Coast highway and slammed into water pipes.
The smash happened at Erina on Tuesday morning, police said in a statement.
The female passenger died at the scene while the male driver is being airlifted to a Sydney hospital.
Meanwhile, a young man has died in hospital after he was struck by a van while running across a Central Coast road late on Sunday night.
The 23-year-old was hit on Kanwal's main road and helped by passers-by before being taken to Newcastle's John Hunter Hospital where he later died, police said on Tuesday.