6.5.1 Roll trailers are exclusively used for the transport of goods in ro-ro ships and are loaded or unloaded and moved in port areas only. They present a rigid platform with strong securing points at the sides, and occasionally brackets for the attachment of cargo stanchions. The trailer rests on one or two sets of low solid rubber tyres at about one third of the length and on a solid socket at the other end. This end contains a recess for attaching a heavy adapter, the so-called gooseneck. This adapter has the king-pin for coupling the trailer to the fifth wheel of an articulated truck.
6.5.2 The packing of a roll trailer with cargo or cargo units should be planned and conducted under the conception that the cargo should be secured entirely by lashings. However, roll trailers are available equipped with standardized locking devices for the securing of freight containers and swap bodies.
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UNECE Transport Division