TranzAlpine train - two locomotives and several carriages in a rural setting with snow-capped mountains in the background
The TranzAlpine service, photographed in 2016. Credit NZ Steam
TranzAlpine passenger service, train parting, Midland Line, near Arthur’s Pass, 17 December 2023
Occurrence Date
The reported circumstances were that on 17 December, KiwiRail’s “TranzAlpine” passenger train was travelling from Greymouth to Christchurch with 54 passengers and ten crew. At around 1600, near Arthur’s Pass, a carriage decoupled and parted from the train. After fully disconnecting the carriage, the train continued its journey without further incident. No injuries were reported.
The Chief Investigator of Accidents has issued a Protection Order to preserve the integrity of evidence, including the parted carriages and coupling components; CCTV footage from Arthur’s Pass Railway Station; and onboard Tranzlog data. Please see sidebar to download detailed text.