On the third, I thought they would fold the bucket behind the trailer until I saw that they couldn't due to height restrictions under the bridges. However, they should have had an escort vehicle that followed the caravan on the highways. If someone hadn't paid attention, the results would have been dire if the teeth coming out of the back of the trailer had ended in the back. Loading and unloading of top ten heavy duty machines (loading and unloading of heavy machines) loading a backhoe on a truck is the world's largest freight transport.
Heavy transport operations in the fascinating world and I have been part of these operations many times.