Train tracks are seen in an aerial view at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, B.C., Monday, Aug. 19, 2024. A phased shutdown of the networks at Canadian National Railway Co. and Canadian Pacific Railway Ltd. is already underway as the clock ticks down on negotiations with the union representing 9,300 engineers, conductors and yard workers. Both companies have issued lockout notices while the union has also threatened to strike. THE CANADIAN PRESS/Darryl Dyck