What would be the best way to be legal riding quads in other states from your own? I assume there isnt Fed tags, so you can ride in every state without buying in every state you go to.
As stated above ~ (reciprocity) You can plate a UTV in AZ and cruise down the road but not in CA. But on the other hand you can plate a Dirtbike in AZ and ride it on the streets in CA with a least a Headlight a foot brake light, mirror and a horn along with an M1 motorcycle license and insurance.
I would suggest to try to register your machine in your state online first and see how far you can get.