The five-year-old boy who was a passenger in a car that collided with a truck in Sydney’s western suburbs died in hospital.
The incident occurred at around 3.20 am on Friday.
His mother and the child were rushed to hospital in critical condition.
The NSW Police confirmed on Saturday that the child had died.
Some residents said the area where the accident occurred was a death trap for drivers due to the poor visibility.
The police are now conducting an investigation and will provide a report to the coroner.