Rail intermodal has been growing rapidly for many years. In fact, U.S. rail intermodal volume amounted to 13.5 million containers and trailers in 2014, up from just 3.1 million in 1980, according to the Association of American Railroads (AAR), Washington, D.C.

Editor’s Note: This story originally published in Refrigerated & Frozen Foods, a sister publication of The National Provisioner in the BNP Media portfolio. Read the story here.