This topic has come up at our park a couple of times. I am of the opinion that you have to abide by the laws of the state/province you are in as regarding double towing and legal length. I believe tha...
Strange that people talk about OR not recognizing a CDL with doubles endorsement. OR was the first place I ever saw a set of =triples=, I.e. 3 trailers behind the tractor. It was a while back, so things may have changed since then...