Overview
- A coach rollover that killed 10 wedding guests and injured dozens in Greta in 2023 was made far more deadly by multiple safety failures, investigators found.
- The Office of Transport Safety Investigations published its report on Friday, July 31, 2026, and concluded the driver was likely impaired by the opioid tramadol at the time of the crash.
- Investigators identified missed red flags including a treating doctor’s knowledge of tramadol use, substantiated passenger complaints and drug-testing and licensing processes that did not escalate the risk.
- The driver, Brett Button, was convicted of dangerous driving occasioning death and is serving a 32-year sentence, while the NSW government has accepted many recommendations and has proposed new safety laws.
- The report targets weak passenger protection and a low seatbelt-use culture and calls for measures such as better medication management, a driver information database and stronger enforcement to reduce future harm.