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...
Most states do allow some types of RV double tows setups (non commercial). However... My state requires a 3/4 ton truck or larger Some states require semi trailer/trailer (pin then ball trailers) but may or may not allow a GN trailer to be the first trailer Others require the first trailer to be heavier than the second trailer ETC/ETC....devils always in the details for how each state codes read/enforced on non commercial combinations.