What is the maximum weight and size limit for freight shipments with Canadian National Railway?

The maximum weight and size limit for freight shipments with Canadian National Railway (CN) varies depending on the type of equipment used. For standard boxcars, the maximum weight limit is 100,000 pounds (45,359 kilograms) and the size limit is typically 50 feet (15.24 meters) in length. For flatcars, the maximum weight limit is 220,000 pounds (99,790 kilograms) and the size limit can range from 40 to 73 feet (12.19 to 22.25 meters) in length. For intermodal containers, the weight limit is generally 43,500 pounds (19,731 kilograms) and length can vary from 20 to 53 feet (6.10 to 16.15 meters). It is important to note that specific weight and size limits may be subject to change or exceptions based on operational requirements and government regulations.