Trailer-on-flatcar
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Trailer-on-flatcar, also known as TOFC or piggyback, is the practice of carrying semi-trailers on railroad flatcars. TOFC allows for shippers to move truckloads long distances more cheaply than can be
Spine cars with semi trailers on them
A Santa Fe semi-trailer carried on a flatcar as part of a TOFC train.
Semi-trailer on flatcar service run by the Union Pacific Railroad in 1955
A semi-trailer on a flatcar of the Southern Railway
Double-stack rail transport
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Double-stack rail transport is a form of intermodal freight transport in which railroad cars carry two layers of intermodal containers. Invented in the United States in 1984, it is now being used for
Trailer-on-flatcar
…access, trailer on flatcar operations impose certain height clearance requirements. In North America, including Mexico, this is mostly a non-issue as double-stack rail transport imposes much more demanding clearance requirements, but regions with more constrained loading gauges may impose limits on this type of transport or…
Rubber tired gantry crane double-stacking a 40 foot container
A container train passing through Jacksonville, Florida, with 53 ft (16.15 m) containers used for shipments within North America
Load bearing of container stacking is at the 40-foot coupling
Part of a double-stack train, with 53-foot containers