Finding into death of Rachel Emma Mead
Deceased
Rachel Emma Mead
Demographics
23y, female
Date of death
2010-03-08
Finding date
2013-09-05
Cause of death
Blunt force trauma to the head (cranial fractures and pneumocephaly); Motor Vehicle Impact (Pedestrian)
AI-generated summary
Rachel Mead, 23, was struck by a vehicle on the Hume Freeway after her car struck a truck wheel that had dislodged from a semi-trailer. The wheel came loose due to inadequate tightening of the spider wheel hub assembly nuts. Expert evidence established that a manual pre-journey inspection and proper tightening of the wheel nuts would have prevented the wheel loss. The truck driver regularly found nuts loose and requiring tightening fortnightly, indicating an unrecognised problem requiring expert attention. The coroner found the death preventable, highlighting the critical importance of proper wheel maintenance procedures, adequate torque specifications, and driver pre-journey inspections in heavy vehicle operations. Industry standardisation and better information dissemination to owner-operators regarding spider wheel security was recommended.
AI-generated summary and tagging — may contain inaccuracies; refer to original finding for legal purposes.
Error types
Contributing factors
- Loosening of wheel stud and nut mechanism on semi-trailer
- Inadequate torque applied to spider wheel hub assembly nuts
- Failure of clamping mechanism on spider wheel design
- Inadequate pre-journey inspection and tightening of wheel nuts
- Owner-operator did not physically check wheel nut tension before journey despite finding nuts regularly loose
- Possible worn or incorrect-size spacer reducing clamping force
- Wheel nuts struck by vehicle subsequently struck Ms Mead's vehicle causing collision
- Pedestrian struck by vehicle unable to avoid impact due to vehicle trajectory
Coroner's recommendations
- VicRoads examine, in consultation with industry bodies and experts, the appropriateness of current torque guidelines in relation to spider wheel grips designed to be fitted to heavy vehicles
- At re-registration of all heavy vehicles, VicRoads provide information as to the critical nature of adequate wheel inspection and wheel adjustment, with particular emphasis on the spider wheel mechanism
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