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A road train or roadtrain is a trucking concept used in remote areas of Argentina, Australia, Mexico, the United States and Canada to move freight efficiently. The term "road train" is most often used in Australia. In the U.S. and Canada the terms "triples," "Turnpike doubles" and "Rocky Mountain doubles" are commonly used for longer combination vehicles (LCVs). A road train consists of a relatively conventional tractor unit, but instead of pulling one trailer or semi-trailer, the road train pulls two or more of them. There are vehicles of a similar variety for passengers, often known as land trains or "trams", but those are relatively lightweight and often slow vehicles.
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In road transport, an oversize load or overweight load is a load that exceeds the standard or ordinary legal size and/or weight limits for a specified portion of road, highway or other transport infrastructure, such as air freight or water freight.
There are also load per axle limits.However, a load that exceeds the per-axle limits, but not the overall weight limits, is not considered overweight. Examples of oversize/overweight loads include construction machines cranes, front loaders, backhoes, etc., pre-built homes, containers, construction elements (bridge beams, generators, windmill propellers, industrial equipment. |
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