Canadian Pacific (CPKC) shipping containers sit on train cars at a CPKC intermodal terminal in Minneapolis, Minn., Monday, Aug. 19, 2024. CPKC and Canadian National railroads are both in a contract dispute with the union workers. (AP Photo/Mark Vancleave)
A worker walks past tanker cars and locomotives at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
A locomotive, top, moves rail cars as others sit idle along with tanker cars and shipping containers at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, Monday, Aug. 19, 2024. (Darryl Dyck/The Canadian Press via AP)
Locomotives sit idle at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
Tanker and rail cars and locomotives sit idle at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
Rail and tanker cars and shipping containers sit idle at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, Monday, Aug. 19, 2024. (Darryl Dyck/The Canadian Press via AP)
Locomotives are moved at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
Canadian Pacific (CPKC) shipping containers sit on train cars at a CPKC intermodal terminal in Minneapolis, Minn., Monday, Aug. 19, 2024. CPKC and Canadian National railroads are both in a contract dispute with the union workers. (AP Photo/Mark Vancleave)
Shipping containers and tanker and rail cars sit idle at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
A locomotive moves rail cars at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
Employees are seen on a locomotive being moved at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, 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 engineers, conductors and yard workers. (Darryl Dyck/The Canadian Press via AP)
Employees move locomotives, right, as rail and tanker cars and shipping containers sit idle at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, Monday, Aug. 19, 2024. (Darryl Dyck/The Canadian Press via AP)
Train tracks are seen in an aerial view at the Canadian Pacific Kansas City (CPKC) rail yard in Port Coquitlam, British Columbia, Monday, Aug. 19, 2024. (Darryl Dyck/The Canadian Press via AP)