IAISn

IAISn refers to the Iowa, Chicago and Eastern Railroad, a Class II regional railroad. It was formed in 2001 through the merger of the Iowa Interstate Railroad and the Chicago, Central and Pacific Railroad. IAISn operated a significant network of trackage across Iowa, Illinois, Wisconsin, Minnesota, and South Dakota. The railroad's primary business involved the transportation of bulk commodities such as grain, fertilizer, coal, and chemicals.

The IAISn was known for its extensive freight operations, connecting agricultural producers with markets and serving various industrial customers. Its route network was strategically important for freight movement in the Upper Midwest. The railroad employed a considerable workforce across its operating territory.

In 2007, IAISn was acquired by Canadian National Railway (CN). Following the acquisition, IAISn's operations and assets were integrated into CN's existing North American network. This integration aimed to enhance freight transportation capabilities and expand CN's reach in the region. The IAISn brand ceased to operate independently after the acquisition. The legacy of IAISn continues within the broader operations of Canadian National Railway.