Twynam Agricultural Group Pty Ltd v Williams

The appeal concerned a collision where the plaintiff, an employee of a contractor on a cotton farm operated by the appellant, Twynam Agricultural Group Pty Ltd, was injured when the vehicle he was driving overturned after hitting a culvert. The primary judge had found that the appellant breached its duty of care by failing to mark the culvert as a hazard. The central dispute on appeal was whether the primary judge erred in preferring the evidence of witnesses who stated that warning flags were absent at the time of the accident over the evidence of witnesses who claimed flags were present.

The legal issues before the appellate court were whether the primary judge had made an error in assessing the credibility of witnesses, particularly in preferring certain testimony regarding the presence or absence of warning flags. The court was also required to consider the limitations and permissible use of photographs as evidence in evaluating witness explanations and factual findings.

The appellate court dismissed the appeal, finding no error in the primary judge's assessment of witness credibility. The primary judge's reasoning was based on a combination of factors, including the demeanour of witnesses during cross-examination, objective indicia, and expert evidence. The court noted that the primary judge had observed inconsistencies in the evidence of certain witnesses, particularly concerning their qualifications and concessions made under cross-examination, which provided a basis for regarding their testimony with suspicion. Furthermore, the court found that photographs, when used to evaluate witness explanations, were permissibly used by the primary judge. One photograph, in particular, showed the culvert outlet unmarked by a flag, and a witness conceded that a flag should have been present but was missing, with no explanation offered. The court affirmed that the primary judge was entitled to rely on such concessions and objective evidence in reaching his findings.

The appeal was dismissed with costs.