A truck driver is reported missing after a fiery crash south of Sydney destroys seven semi-trailers and shuts down a major transport route in the area, according to multiple reports. The incident involves a crash between heavy vehicles, after which a fire breaks out and spreads to several semi-trailers, leaving the vehicles heavily damaged or destroyed. Emergency services respond to the scene, and the road closure disrupts traffic along the affected route while responders manage the fire and the aftermath of the crash. Authorities are investigating the circumstances of the collision and the events leading up to the fire. While the driver is described as unaccounted for, updates on identity and whether anyone else is injured or involved are not detailed in the provided summaries. Overall, the reports agree on the key points: the crash occurs south of Sydney, it is followed by a significant fire, seven semi-trailers are destroyed, and the roadway is closed as emergency crews attend to the scene and investigations begin.