Findings of TSB investigation (R16T0111)
Uncontrolled movement of rolling stock at MacMillan Yard near Toronto, Ontario, June 2016
Investigations conducted by the Transportation Safety Board of Canada (TSB) are complex – an accident is never caused by a single factor. The June 2016 uncontrolled movement of railway cars at MacMillan Yard in Vaughan, Ontario, was no exception. Many factors contributed to the accident, the details of which are contained in the 11 findings as to causes and contributing factors. The investigation established 6 additional findings, including 3 findings as to risk.