World Of Amazing Pictures The Longest Truck in the World ! It is called "Road Train" . 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 longest road train ever assembled was m ft) long and consisted of 79 trailers with a combined weight of tonnes million lb). It was pulled a distance of 8 km miles) by a Kenworth truck driven by Australia's Steven Matthews.