An investigation is under way after a woman and baby were injured following a single vehicle crash near Peak Hill.
About 2.15pm on Thursday emergency services were called to Baldry-Peak Hill Road, about 15 kilometres from Peak Hill, following reports a silver Subaru Outback crashed.
Police were told the Subaru left the roadway and rolled before coming to a stop.
The passengers, a 27-year-old woman and a five-month-old baby, suffered serious injuries and were airlifted to Westmead Hospital and the Children's Hospital at Westmead.
The woman and baby are reported to be in a stable condition.
The driver, a 29-year-old man, suffered minor injuries and was taken to Dubbo Hospital for treatment and mandatory testing. He has since been released.
Officers from Central West Police District established a crime scene, which was examined by specialist police from the Crash Investigation Unit.
An investigation into the circumstances surrounding the crash is underway, and police are urging anyone with dashcam footage from the area to contact Parkes Police on (02) 6862 999 or Crime Stoppers on 1800 333 000.