The Commission is inquiring into a train derailment on the Midland Line at about 2200 on 3 November 2026.
The reported circumstances were that, the KiwiRail-operated coal train 834 was heading to Christchurch and was near Otira when at least one of its wagons derailed. The train stopped inside the Otira Tunnel. While no injuries were reported, there was extensive damage to both the rolling stock and railway infrastructure.