Rail transportation safety investigation R23E0079
The occurrence
On , a Canadian National Railway Company (CN) freight train was travelling westward on the Wainwright Subdivision when it passed a stop signal and sideswiped a westbound CN freight train that was departing the yard west of Wainwright, Alberta. As a result, two locomotives and three loaded intermodal cars on the first train derailed, while six loaded hopper cars on the second train derailed.