An 11-year-old girl has died following a serious two-vehicle crash at Moana, south of Adelaide, with a woman also taken to hospital in a serious condition. The collision happened on Commercial Road at about 6:45pm on Tuesday, 22 September 2026.

Emergency services were called to the scene after a Nissan sedan and a Subaru station wagon collided. The 11-year-old girl was travelling as a passenger in the Nissan. Despite the emergency response, she died at the scene.

The Nissan was being driven by a 35-year-old woman from Christie Downs. She suffered serious injuries in the crash and was transported to hospital for treatment. Police said she remained in a serious condition following the collision.

The driver of the Subaru was a 37-year-old man from Seaford Meadows. He was also taken to hospital after the crash with minor injuries. Police later confirmed that he had been discharged.

Major Crash investigators attended Commercial Road and began examining the circumstances surrounding the collision. Investigators are working to establish how the two vehicles collided and what factors may have contributed to the crash.

The road was affected while emergency services and investigators worked at the scene. Police are asking anyone who witnessed the collision or who was travelling through the area at the time to provide information.

Authorities are also particularly interested in dashcam footage that may have captured the vehicles or surrounding traffic shortly before the crash. Members of the public with relevant information have been asked to contact Crime Stoppers.

The death has added to South Australia's road toll for 2026. South Australia Police said the girl's death was the 81st life lost on South Australian roads this year.

Road crashes can involve multiple factors, and investigators must examine available evidence before determining the circumstances of an incident. Police have not announced a final cause for this collision while the investigation remains underway.

The crash occurred in Moana, a coastal suburb south of Adelaide on the Fleurieu Peninsula. Commercial Road is an important local route connecting communities in the area, meaning the incident also affected people travelling through the suburb.

Police have appealed to witnesses to come forward, particularly anyone who saw the crash or has dashcam footage from around 6:45pm. Information provided by witnesses can assist investigators in reconstructing the events leading up to a collision.

The investigation remains ongoing. Authorities have not indicated that charges have been laid in connection with the crash at the time of the latest report.

The incident has resulted in the death of a child and serious injuries to another person, while investigators continue their work to establish the full circumstances of the collision.