At approximately 1215 on 19 September 2021, westbound Ottawa Light Rail Transit (OLRT) commuter train 1121-1138 was proceeding on Track 1 when motor-bogie 2 on the trailing light rail vehicle (LRV) 1121 derailed near the middle of the Tremblay station north platform.
On 13 July 2022, a Canadian Pacific Railway Grain unit train was proceeding westward when 43 hopper cars derailed at mile 97.4 of the Brooks Subdivision in Bassano, Alberta. There were no injuries.
On 01 December 2022, a Canadian Pacific Railway (CP) freight train was proceeding northward on the CP Weyburn Subdivision when 38 freight cars derailed in two separate derailments near Mile 119.22.
On 22 February 2023, at approximately 2133 Eastern Standard Time, the empty Tacora Resources Inc. ore train W039, operated by Quebec North Shore and Labrador Railway, was travelling northward on Quebec North Shore and Labrador Railway’s Wacouna Subdivision when it passed a Stop signal without authority at Mile 128.3 at Mai Station, Quebec. There was no collision or derailment, and there were no injuries.
On , EXO commuter train 816 on the Mont-Saint-Hilaire line was proceeding eastward at Mile 62.18 on the Canadian National Railway Company St-Hyacinthe Subdivision when it struck a stopped automobile at a public crossing in Saint-Bruno-de-Montarville, Quebec. The driver of the automobile was fatally injured.
On 5 April 2023, a Canadian National Railway Company (CN) loaded unit grain train hauling 104 cars was proceeding westward on the CN Wainwright Subdivision when 18 grain hopper cars derailed at Mile 244.2. There were no injuries. The TSB is investigating.
On 8 August 2023, a Canadian National Railway Company (CN) freight train was travelling westward on the Wainwright Subdivision when it passed a Stop signal indication and sideswiped a westbound CN freight train that was departing the yard west of Wainwright, Alberta. As a result, two locomotives and two loaded intermodal cars on the first train derailed, while six loaded hopper cars on the second train derailed.
