A part of a "double stack" container teach operated by Union Pacific Railroad, the containers are owned by Pacer Stacktrain, the perfectly cars and trucks by TTX. When carried by rail, containers could be carried on flatcars or perfectly cars and trucks. The latter are specially designed for container transport, https://shipping-containers-for-s75318.onzeblog.com/26860195/examine-this-report-on-shipping-containers