Teenager Dies In Hospital One Week After Sydney Motorway Crash

A 19-year-old teenager died in hospital on Sunday exactly one week after a car she was travelling in collided with a stationary bus in Sydney's south.

The woman was one of four teenagers rushed to hospital after the horror crash on Easter Sunday.

NSW Police confirmed to 10 daily that the 19-year-old who died was one of the passengers inside the Mazda, which hit the back of the bus in a breakdown lane on the M5.

Emergency services were called to the motorway, between Belmore Road and King George's Road, just before 6:30pm on April 21, where they found all four passengers with serious injuries.

The 19-year-old female driver of the Mazda and one of her 18-year-old passengers were trapped for some time before firefighters could free them.

They and another 19-year-old passenger were treated at the scene and eventually taken to Liverpool and St George Hospital in a critical condition.

READ MORE: Horrific M5 Crash Leaves Three Teens Critical

An 18-year-old male, who was in the front passenger seat, was taken to St George Hospital in a serious but stable condition.

The bus driver was not injured and did not have any passengers at the time.

Police are still investigating the circumstances around the crash and are urging anyone with information or dashcam footage to contact Crime Stoppers on 1800 333 000.